# Opinion polling for the 2019 Canadian federal election

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This page provides a list of scientific, nationwide public opinion polls that were conducted from the 2015 Canadian federal election leading up to the 2019 Canadian federal election, which was held on October 21. For riding-specific polls see 2019 constituency polls.

## National polls
### Campaign period

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | BQ | GPC | PPC | Margin of error | Sample size | Polling method | Lead |
| 2019 election | October 21, 2019 | HTML | 33.1 | 34.3 | 16.0 | 7.6 | 6.5 | 1.6 | N/A | 18,170,880 | N/A | 1.2 |
| Nanos Research | October 20, 2019 | | 31.7 | 32.5 | 20.8 | 7.2 | 6.0 | 1.5 | ±3.6 pp | 800 | telephone | 0.8 |
| Mainstreet Research | October 20, 2019 | | 31.6 | 32.2 | 18.3 | 7.9 | 6.1 | 2.8 | ±2.17 pp | 2,032 | IVR | 0.6 |
| Research Co. | October 20, 2019 | | 32 | 31 | 19 | 7 | 8 | 2 | ±3.1 pp | 957 | online | 1 |
| EKOS | October 20, 2019 | | 34.2 | 30.0 | 18.3 | 5.0 | 8.1 | 3.5 | ±2.2 pp | 1,994 | telephone/IVR | 4.2 |
| Campaign Research | October 20, 2019 | | 31.4 | 31.3 | 17.8 | 6.6 | 9.1 | 2.7 | ±1.4 pp | 1,498 | online (rolling) | 0.1 |
| Ipsos | October 19, 2019 | | 31 | 33 | 18 | 7 | 6 | 3 | ±2 pp | 3,108 | online/telephone | 2 |
| Abacus Data | October 19, 2019 | | 34 | 32 | 16 | 8 | 8 | 2 | ±2.1 pp | 2,000 | online | 2 |
| Nanos Research | October 19, 2019 | | 31.0 | 31.5 | 18.8 | 7.0 | 9.5 | 1.8 | ±2.4 pp | 1,600 (1/2) | telephone (rolling) | 0.5 |
| Campaign Research | October 19, 2019 | | 31.7 | 31.4 | 17.4 | 6.6 | 9.1 | 2.7 | ±1.6 pp | 1,554 | online (rolling) | 0.3 |
| Forum Research | October 18, 2019 | | 31.7 | 29.9 | 17.5 | 9.0 | 8.3 | 3.0 | ±3 pp | 1,206 | IVR | 1.8 |
| Leger | October 18, 2019 | | 33 | 33 | 18 | 8 | 6 | 2 | ±2.13 pp | 2,117 | online | 0 |
| Mainstreet Research | October 18, 2019 | | 32.8 | 31.9 | 18.3 | 7.2 | 5.5 | 3.3 | ±2.11 pp | 2,134 (1/3) | IVR (rolling) | 0.9 |
| Nanos Research | October 18, 2019 | | 32.6 | 30.3 | 18.4 | 7.1 | 9.3 | 1.9 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.3 |
| Campaign Research | October 18, 2019 | | 31 | 31 | 18 | 7 | 9 | 3 | ±2.2 pp | 1,987 | online | 0 |
| Innovative Research | October 17, 2019 | | 33 | 31 | 14 | 9 | 8 | 4 | N/A | 1,964 | online | 2 |
| Innovative Research | October 17, 2019 | | 34 | 30 | 19 | 6 | 8 | 2 | N/A | 3,094 | online | 4 |
| EKOS | October 17, 2019 | | 31.0 | 32.5 | 17.6 | 5.5 | 7.9 | 3.6 | ±2.3 pp | 1,881 | telephone/IVR | 1.5 |
| Mainstreet Research | October 17, 2019 | | 32.1 | 31.9 | 18.8 | 7.6 | 5.8 | 3.0 | ±2.11 pp | 2,163 (1/3) | IVR (rolling) | 0.2 |
| Nanos Research | October 17, 2019 | | 31.5 | 31.6 | 19.0 | 6.2 | 9.5 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.1 |
| DART/Maru | October 16, 2019 | | 29 | 33 | 21 | 8 | 7 | 2 | ±2.9 pp | 1,518 | online | 4 |
| Forum Research | October 16, 2019 | | 30 | 29 | 20 | 7 | 8 | 4 | ±3 pp | 1,028 | IVR | 1 |
| Mainstreet Research | October 16, 2019 | | 31.9 | 30.9 | 18.6 | 7.6 | 7.0 | 3.2 | ±2.12 pp | 2,128 (1/3) | IVR (rolling) | 1.0 |
| Nanos Research | October 16, 2019 | | 31.5 | 32.5 | 18.9 | 6.0 | 9.2 | 1.6 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.0 |
| Mainstreet Research | October 15, 2019 | | 30.9 | 30.6 | 18.3 | 7.9 | 7.7 | 3.6 | ±2.15 pp | 2,070 (1/3) | IVR (rolling) | 0.3 |
| Nanos Research | October 15, 2019 | | 31.9 | 32.5 | 18.8 | 5.9 | 9.4 | 1.1 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.6 |
| Angus Reid | October 15, 2019 | | 29 | 33 | 19 | 8 | 8 | 3 | ±2.0 pp | 2,100 | online | 4 |
| EKOS | October 15, 2019 | | 31.2 | 31.8 | 18.4 | 6.4 | 6.8 | 3.4 | ±2.3 pp | 1,904 | telephone/IVR | 0.6 |
| Mainstreet Research | October 14, 2019 | | 30.7 | 31.1 | 17.2 | 8.1 | 8.5 | 3.6 | ±2.15 pp | 2,076 (1/3) | IVR (rolling) | 0.4 |
| Ipsos | October 13, 2019 | | 30 | 32 | 20 | 7 | 8 | 2 | ±2.4 pp | 2,204 | online/telephone | 2 |
| Mainstreet Research | October 13, 2019 | | 30.7 | 32.3 | 16.6 | 7.8 | 8.3 | 3.4 | ±2.11 pp | 2,150 | IVR (rolling) | 1.6 |
| Nanos Research | October 13, 2019 | | 32.3 | 32.1 | 19.2 | 5.9 | 9.3 | 1.0 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.2 |
| Nanos Research | October 12, 2019 | | 31.5 | 32.3 | 19.7 | 6.2 | 9.0 | 1.1 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.8 |
| Nanos Research | October 11, 2019 | | 33.2 | 32.1 | 18.1 | 5.9 | 8.9 | 1.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.1 |
| Abacus Data | October 10, 2019 | | 32 | 32 | 18 | 6 | 9 | 2 | ±1.9 pp | 3,000 | online | 0 |
| Campaign Research | October 10, 2019 | | 29 | 31 | 19 | 7 | 10 | 3 | ±1.54 pp | 4,037 | online | 2 |
| Mainstreet Research | October 10, 2019 | | 28.9 | 31.7 | 16.6 | 7.6 | 9.4 | 4.2 | ±2 pp | 2,274 (1/3) | IVR (rolling) | 2.8 |
| Nanos Research | October 10, 2019 | | 35.4 | 33.2 | 15.3 | 5.3 | 8.8 | 1.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.2 |
| Innovative Research | October 10, 2019 | | 35 | 31 | 15 | 6 | 10 | 3 | N/A | 2,394 | online | 4 |
| Angus Reid | October 10, 2019 | | 29 | 34 | 17 | 7 | 9 | 3 | ±1.8 pp | 3,031 | online | 5 |
| EKOS | October 10, 2019 | | 30.5 | 31.7 | 13.1 | 5.4 | 12.8 | 4.7 | ±2.2 pp | 1,947 | telephone/IVR | 1.2 |
| DART/Maru | October 9, 2019 | | 28 | 33 | 20 | 9 | 7 | 2 | ±3.1 pp | 1,510 | online | 5 |
| Mainstreet Research | October 9, 2019 | | 30.2 | 32.2 | 15.1 | 7.2 | 9.8 | 4.0 | ±2.04 pp | 2,309 (1/3) | IVR (rolling) | 2.0 |
| Nanos Research | October 9, 2019 | | 36.9 | 33.2 | 14.1 | 5.1 | 8.2 | 1.6 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 3.7 |
| Leger | October 8, 2019 | | 31 | 31 | 18 | 7 | 11 | 3 | ±2.11 pp | 2,150 | online | 0 |
| Forum Research | October 8, 2019 | | 28 | 35 | 13 | 7 | 12 | 3 | ±3 pp | 1,013 | IVR | 7 |
| Mainstreet Research | October 8, 2019 | | 31.7 | 32.0 | 14.3 | 6.1 | 10.3 | 4.2 | ±2 pp | 2,445 (1/3) | IVR (rolling) | 0.3 |
| Nanos Research | October 8, 2019 | | 35.6 | 34.8 | 13.4 | 5.2 | 9.1 | 1.2 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.8 |
| Mainstreet Research | October 7, 2019 | | 32.6 | 33.1 | 13.2 | 6.5 | 10.1 | 3.4 | ±2.11 pp | 2,108 (1/3) | IVR (rolling) | 0.5 |
| Nanos Research | October 7, 2019 | | 34.6 | 34.8 | 13.5 | 5.1 | 9.8 | 1.1 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.2 |
| Ipsos | October 7, 2019 | | 35 | 34 | 15 | 7 | 7 | 2 | ±2.9 pp | 1,502 | online | 1 |
| Innovative Research | October 7, 2019 | | 35 | 33 | 13 | 5 | 10 | 4 | N/A | 2,835 | online | 2 |
| Mainstreet Research | October 6, 2019 | | 33.1 | 33.3 | 13.3 | 6.3 | 9.7 | 2.9 | ±2.13 pp | 2,108 | IVR (rolling) | 0.2 |
| Nanos Research | October 6, 2019 | | 34.3 | 33.4 | 15.0 | 5.1 | 9.6 | 1.5 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.9 |
| Abacus Data | October 5, 2019 | | 35 | 33 | 16 | 5 | 8 | 1 | ±2 pp | 1,556 | online | 2 |
| Nanos Research | October 5, 2019 | | 36.7 | 32.7 | 15.0 | 4.9 | 8.0 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 4.0 |
| Nanos Research | October 4, 2019 | | 36.2 | 32.6 | 15.6 | 5.8 | 7.4 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 3.6 |
| Mainstreet Research | October 3, 2019 | | 34.3 | 34.8 | 11.4 | 5.8 | 9.1 | 3.2 | ±2.07 pp | 2,207 (1/3) | IVR (rolling) | 0.5 |
| Nanos Research | October 3, 2019 | | 36.3 | 34.3 | 13.8 | 5.9 | 8.2 | 1.2 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.0 |
| Campaign Research | October 2, 2019 | | 32 | 34 | 14 | 5 | 11 | 3 | ±1.4 pp | 4,755 | online | 2 |
| Mainstreet Research | October 2, 2019 | | 33.4 | 36.4 | 11.9 | 5.7 | 9.0 | 2.5 | ±2.07 pp | 2,234 (1/3) | IVR (rolling) | 3.0 |
| Nanos Research | October 2, 2019 | | 32.9 | 35.2 | 14.9 | 5.5 | 9.9 | 1.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.3 |
| Forum Research | October 1, 2019 | | 34 | 31 | 12 | 6 | 12 | 4 | ±3 pp | 1,853 | IVR | 3 |
| Mainstreet Research | October 1, 2019 | | 33.5 | 36.0 | 11.6 | 5.3 | 10.0 | 2.8 | ±2.06 pp | 2,259 (1/3) | IVR (rolling) | 2.5 |
| Nanos Research | October 1, 2019 | | 34.2 | 33.9 | 15.2 | 4.5 | 10.2 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.3 |
| Mainstreet Research | September 30, 2019 | | 33.3 | 36.1 | 11.6 | 5.3 | 10.0 | 2.9 | ±2.1 pp | 2,183 (1/3) | IVR (rolling) | 2.8 |
| Nanos Research | September 30, 2019 | | 32.2 | 34.5 | 14.3 | 4.4 | 11.1 | 3.0 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.3 |
| Leger | September 30, 2019 | | 34 | 34 | 14 | 5 | 11 | 2 | ±2.48 pp | 1,558 | online | 0 |
| Angus Reid | September 30, 2019 | | 30 | 37 | 14 | 7 | 8 | 3 | ±3 pp | 1,522 | online | 7 |
| Ipsos | September 30, 2019 | | 34 | 37 | 15 | 5 | 7 | 2 | ±2.9 pp | 1,489 | online | 3 |
| Mainstreet Research | September 29, 2019 | | 34.4 | 34.1 | 10.9 | 5.6 | 10.5 | 3.4 | ±2.12 pp | 2,140 (1/3) | IVR (rolling) | 0.3 |
| Nanos Research | September 29, 2019 | | 32.7 | 34.0 | 13.2 | 4.1 | 12.6 | 2.5 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.3 |
| EKOS | September 29, 2019 | | 33.4 | 31.1 | 11.4 | 3.0 | 13.4 | 5.1 | ±2.5 pp | 1,492 | telephone/IVR | 2.3 |
| Mainstreet Research | September 28, 2019 | | 34.0 | 33.7 | 11.7 | 5.8 | 10.1 | 3.7 | ±2.06 pp | 2,270 (2/3) | IVR (rolling) | 0.3 |
| Nanos Research | September 28, 2019 | | 32.5 | 34.2 | 13.0 | 4.6 | 12.6 | 2.1 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.7 |
| Nanos Research | September 27, 2019 | | 32.6 | 34.1 | 14.4 | 3.8 | 13.2 | 1.3 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.5 |
| Research Co. | September 26, 2019 | | 36 | 33 | 15 | 5 | 9 | 2 | ±3.1 pp | 1,000 | online | 3 |
| Mainstreet Research | September 26, 2019 | | 33.4 | 35.6 | 10.7 | 5.6 | 9.7 | 3.7 | ±1.98 pp | 2,436 (1/3) | IVR (rolling) | 2.2 |
| Nanos Research | September 26, 2019 | | 34.4 | 33.7 | 15.0 | 4.4 | 10.5 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.7 |
| Abacus Data | September 26, 2019 | | 35 | 33 | 15 | 5 | 10 | 2 | ±2.3 pp | 1,975 | online | 2 |
| Mainstreet Research | September 25, 2019 | | 34.4 | 35.8 | 10.7 | 5.5 | 9.2 | 3.4 | ±2.1 pp | 2,425 (1/3) | IVR (rolling) | 1.4 |
| Nanos Research | September 25, 2019 | | 35.5 | 33.6 | 14.5 | 4.7 | 9.5 | 2.0 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.9 |
| Innovative Research | September 25, 2019 | | 35 | 31 | 14 | 5 | 10 | 5 | N/A | 2,302 | online | 4 |
| Mainstreet Research | September 24, 2019 | | 35.2 | 35.5 | 10.8 | 5.2 | 9.3 | 2.9 | ±2.1 pp | 2,389 (1/3) | IVR (rolling) | 0.3 |
| Nanos Research | September 24, 2019 | | 35.3 | 35.4 | 12.7 | 5.5 | 8.8 | 2.1 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.1 |
| Leger | September 24, 2019 | | 34 | 33 | 13 | 5 | 11 | 4 | ±2.11 pp | 2,153 | online | 1 |
| Innovative Research | September 24, 2019 | | 35 | 34 | 12 | 5 | 10 | 4 | N/A | 2,496 | online | 1 |
| Mainstreet Research | September 23, 2019 | | 34.4 | 35.9 | 11.2 | 4.8 | 9.6 | | ±2.03 pp | 2,333 (1/3) | IVR (rolling) | 1.5 |
| Nanos Research | September 23, 2019 | | 35.1 | 33.5 | 12.9 | 5.7 | 10.1 | 2.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.6 |
| Angus Reid | September 23, 2019 | | 30 | 35 | 15 | 6 | 11 | 3 | ±2.5 pp | 1,523 | online | 5 |
| Ipsos | September 23, 2019 | | 32 | 36 | 15 | 4 | 11 | 2 | ±2.9 pp | 1,500 | online | 4 |
| Mainstreet Research | September 22, 2019 | | 33.7 | 35.8 | | | | | ±2.1 pp | 2,168 (1/3) | IVR (rolling) | 2.1 |
| Nanos Research | September 22, 2019 | | 33.1 | 34.3 | 12.8 | 5.8 | 10.6 | 2.9 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.2 |
| EKOS | September 22, 2019 | | 32.0 | 35.3 | 10.9 | 4.9 | 10.3 | 4.1 | ±2.8 pp | 1,272 | IVR | 3.3 |
| Abacus Data | September 22, 2019 | | 32 | 34 | 15 | 4 | 10 | 3 | ±2.3 pp | 1,929 | online | 2 |
| Mainstreet Research | September 21, 2019 | | 33.9 | 34.8 | 11.4 | 4.9 | 10.7 | 3.6 | ±2.13 pp | 2,124 (1/3) | IVR (rolling) | 0.9 |
| Forum Research | September 21, 2019 | | 33 | 33 | 11 | 6 | 11 | 5 | ±3 pp | 2,449 | IVR | 0 |
| Nanos Research | September 21, 2019 | | 32.9 | 35.5 | 14.0 | 5.3 | 9.5 | 2.2 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.6 |
| DART/Maru | September 20, 2019 | | 30 | 37 | 15 | 6 | 8 | 3 | ±2.9 pp | 1,520 | online | 7 |
| Mainstreet Research | September 20, 2019 | | 35.9 | 34.2 | 10.9 | 4.8 | 10.4 | 3.1 | ±2.14 pp | 2,087 (1/3) | IVR (rolling) | 1.7 |
| Nanos Research | September 20, 2019 | | 32.0 | 36.8 | 13.7 | 5.4 | 9.0 | 2.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 4.8 |
| Mainstreet Research | September 19, 2019 | | 36.8 | 34.2 | 10.1 | 4.7 | 9.8 | 3.7 | ±2.14 pp | 2,087 (1/3) | IVR (rolling) | 2.6 |
| Nanos Research | September 19, 2019 | | 34.2 | 37.4 | 12.8 | 3.5 | 9.3 | 2.4 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 3.2 |
| Mainstreet Research | September 18, 2019 | | 37.2 | 34.4 | 9.8 | 4.4 | 10.1 | 3.3 | ±2.21 pp | 1,935 (2/3) | IVR (rolling) | 2.8 |
| Nanos Research | September 18, 2019 | | 35.0 | 37.8 | 11.8 | 4.0 | 7.7 | 2.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.8 |
| Nanos Research | September 17, 2019 | | 35.5 | 37.2 | 13.6 | 4.0 | 7.0 | 1.7 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.7 |
| Leger | September 17, 2019 | | 34 | 33 | 12 | 5 | 11 | 4 | ±2.45 pp | 1,598 | online | 1 |
| Mainstreet Research | September 16, 2019 | | 36.8 | 34.8 | 9.7 | 4.5 | 9.4 | 3.8 | ±2.23 pp | 1,935 (1/3) | IVR (rolling) | 2.0 |
| Nanos Research | September 16, 2019 | | 34.9 | 35.9 | 15.4 | 4.7 | 6.5 | 1.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.0 |
| Angus Reid | September 16, 2019 | | 33 | 36 | 13 | 5 | 9 | 4 | ±2.0 pp | 2,154 | online | 3 |
| Mainstreet Research | September 15, 2019 | | 36.5 | 35.0 | 9.6 | 4.3 | 9.9 | 3.5 | ±2.23 pp | 1,935 | IVR (rolling) | 1.5 |
| Nanos Research | September 15, 2019 | | 34.0 | 34.4 | 16.4 | 4.4 | 7.8 | 2.3 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.4 |
| Innovative Research | September 15, 2019 | | 35 | 32 | 14 | 4 | 11 | 4 | N/A | 1,622 | online | 3 |
| Nanos Research | September 14, 2019 | | 35.2 | 32.3 | 16.6 | 3.8 | 9.6 | 2.0 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 2.9 |
| Ipsos | September 13, 2019 | | 35 | 35 | 14 | 4 | 9 | 2 | ±2.2 pp | 2,562 | online/telephone | 0 |
| Nanos Research | September 13, 2019 | | 35.4 | 32.8 | 15.7 | 3.6 | 9.5 | 2.4 | ±2.8 pp | 1,200 | telephone (rolling) | 2.6 |
| DART/Maru | September 11, 2019 | | 32 | 35 | 15 | 6 | 8 | 2 | ±2.9 pp | 1,517 | online | 3 |
| Forum Research | September 11, 2019 | | 32.4 | 36.3 | 8.6 | 4.1 | 11.6 | 4.9 | ±3 pp | 1,001 | IVR | 3.9 |

### Pre-campaign period

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Margin of error | Sample size | Polling method | Lead |
| Abacus Data | September 10, 2019 | 33 | 35 | 15 | 4 | 10 | 3 | ±2.2 pp | 2,000 | online | 2 |
| Leger | September 9, 2019 | 34 | 35 | 11 | 5 | 11 | 3 | ±2.49 pp | 1,546 | online | 1 |
| Mainstreet Research | September 8, 2019 | 37.5 | 34.0 | 8.4 | 3.6 | 10.8 | 4.6 | ±2.26 pp | 1,876 | IVR | 3.5 |
| Nanos Research | September 6, 2019 | 34.6 | 30.7 | 16.5 | 4.0 | 11.0 | 2.0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.9 |
| Campaign Research | September 5, 2019 | 34 | 34 | 12 | 4 | 12 | 2 | ±2.14 pp | 2,094 | online | 0 |
| Innovative Research | September 5, 2019 | 33 | 34 | 13 | 5 | 11 | 5 | N/A | 3,236 | online | 1 |
| Nanos Research | August 30, 2019 | 35.4 | 31.3 | 15.7 | 4.4 | 10.3 | 1.6 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.1 |
| EKOS | August 29, 2019 | 37.2 | 32.9 | 7.2 | 5.5 | 10.4 | 4.3 | ±3.3 pp | 902 | IVR | 4.3 |
| Leger | August 29, 2019 | 34 | 33 | 12 | 5 | 12 | 3 | ±2.14 pp | 2,102 | online | 1 |
| Abacus Data | August 29, 2019 | 33 | 34 | 17 | 4 | 9 | 3 | ±1.5 pp | 4,549 | online | 1 |
| Angus Reid | August 26, 2019 | 32 | 36 | 14 | 4 | 9 | 4 | ±2.5 pp | 1,534 | online | 4 |
| Nanos Research | August 23, 2019 | 33.66 | 33.65 | 14.87 | 4.17 | 9.41 | 2.09 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.01 |
| EKOS | August 22, 2019 | 33.1 | 34.1 | 10.4 | 5.1 | 11.2 | 3.7 | ±2.9 pp | 1,182 | IVR | 1.0 |
| Leger | August 19, 2019 | 33 | 33 | 11 | 4 | 13 | 4 | ±2.5 pp | 1,535 | online | 0 |
| Ipsos | August 19, 2019 | 33 | 35 | 18 | 3 | 9 | 1 | ±3.5 pp | 1,001 | online | 2 |
| Abacus Data | August 19, 2019 | 32 | 32 | 17 | 4 | 10 | 3 | ±2.2 pp | 2,152 | online | 0 |
| DART/Maru | August 17, 2019 | 32 | 39 | 15 | 5 | 7 | 1 | ±2.9 pp | 1,512 | online | 7 |
| Nanos Research | August 16, 2019 | 34.61 | 31.41 | 14.58 | 4.16 | 10.00 | 1.68 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.20 |
| Campaign Research | August 13, 2019 | 32 | 33 | 13 | 4 | 12 | 3 | ±2 pp | 2,365 | online | 1 |
| Nanos Research | August 9, 2019 | 35.00 | 32.46 | 14.75 | 3.69 | 9.80 | 1.33 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.54 |
| Abacus Data | August 6, 2019 | 32 | 33 | 17 | 4 | 10 | 3 | ±2.7 pp | 1,422 | online | 1 |
| Nanos Research | August 2, 2019 | 36.7 | 30.8 | 16.1 | 3.7 | 9.3 | 1.4 | ±3.1 pp | 1,000 (1/2) | telephone (rolling) | 5.9 |
| Mainstreet Research | July 31, 2019 | 34.5 | 34.1 | 11.1 | 4.4 | 11.1 | 3.3 | ±1.97 pp | 2,463 | IVR | 0.4 |
| Innovative Research | July 31, 2019 | 36 | 32 | 14 | 4 | 10 | 4 | N/A | 1,804 | online | 4 |
| Forum Research | July 28, 2019 | 31 | 34 | 12 | 5 | 12 | 5 | ±3 pp | 1,733 | IVR | 3 |
| EKOS | July 25, 2019 | 30.6 | 36.0 | 9.9 | 4.6 | 12.9 | 3.8 | ±2.9 pp | 1,115 | IVR | 5.4 |
| Leger | July 23, 2019 | 33 | 36 | 11 | 4 | 12 | 3 | ±2.5 pp | 1,536 | online | 3 |
| EKOS | July 18, 2019 | 33.6 | 31.3 | 12.5 | 3.1 | 12.5 | 4.8 | ±2.9 pp | 1,186 | IVR | 2.3 |
| Nanos Research | July 19, 2019 | 35.6 | 30.0 | 18.6 | 4.0 | 9.0 | 1.4 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.6 |
| Research Co. | July 17, 2019 | 34 | 31 | 17 | 4 | 10 | 3 | ±3.1 pp | 1,000 | online | 3 |
| Abacus Data | July 17, 2019 | 32 | 32 | 16 | 4 | 11 | 3 | ±2.6 pp | 1,500 | online | 0 |
| Ipsos | July 15, 2019 | 31 | 37 | 18 | 5 | 7 | 1 | ±3.5 pp | 1,000 | online | 6 |
| Campaign Research | July 12, 2019 | 33 | 32 | 14 | 4 | 14 | 3 | ±2.3 pp | 1,896 | online | 1 |
| Angus Reid | July 12, 2019 | 30 | 38 | 14 | 4 | 10 | 2 | ±2.0 pp | 2,361 | online | 8 |
| Nanos Research | July 12, 2019 | 35.9 | 29.7 | 18.5 | 4.8 | 8.3 | 1.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.2 |
| EKOS | July 8, 2019 | 30.7 | 32.3 | 10.8 | 5.0 | 14.9 | 4.2 | ±3.2 pp | 948 | IVR | 1.6 |
| Innovative Research | July 8, 2019 | 35 | 32 | 12 | 4 | 11 | 5 | N/A | 2,515 | online | 3 |
| Nanos Research | July 5, 2019 | 34.6 | 30.4 | 17.9 | 4.9 | 8.8 | 1.6 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.2 |
| Abacus Data | July 2, 2019 | 32 | 33 | 16 | 4 | 11 | 3 | ±1.8 pp | 3,092 | online | 1 |
| Mainstreet Research | July 2, 2019 | 35.0 | 33.2 | 10.4 | 4.5 | 10.3 | 4.6 | ±1.9 pp | 2,651 | IVR | 1.8 |
| EKOS | June 29, 2019 | 31.6 | 34.1 | 9.7 | 3.8 | 12.6 | 5.7 | N/A | 1,194 | IVR | 2.5 |
| Nanos Research | June 28, 2019 | 34.5 | 31.7 | 16.5 | 4.6 | 9.8 | 0.9 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.8 |
| DART/Maru | June 26, 2019 | 33 | 37 | 17 | 5 | 7 | 1 | ±2.9 pp | 1,512 | online | 4 |
| Forum Research | June 23, 2019 | 29 | 35 | 13 | 5 | 12 | 4 | ±3 pp | 1,539 | IVR | 6 |
| Nanos Research | June 21, 2019 | 32.5 | 32.8 | 16.9 | 4.9 | 10.2 | 0.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.3 |
| EKOS | June 17, 2019 | 30.1 | 34.2 | 12.0 | 4.3 | 13.2 | 3.6 | ±2.0 pp | 2,491 | IVR | 4.1 |
| Nanos Research | June 14, 2019 | 30.3 | 34.0 | 16.8 | 4.6 | 11.4 | 0.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.7 |
| Leger | June 10, 2019 | 29 | 38 | 13 | 4 | 11 | 3 | ±2.5 pp | 1,528 | online | 9 |
| Ipsos | June 7, 2019 | 31 | 37 | 18 | 5 | 6 | | ±3.5 pp | 1,003 | online | 6 |
| Nanos Research | June 7, 2019 | 30.9 | 34.2 | 16.9 | 4.0 | 11.3 | 0.8 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.3 |
| Campaign Research | June 6, 2019 | 32 | 35 | 14 | 4 | 12 | 2 | ±1.9 pp | 2,735 | online | 3 |
| Angus Reid | June 4, 2019 | 26 | 37 | 15 | 5 | 12 | 4 | ±2 pp | 4,698 | online | 11 |
| Forum Research | June 2, 2019 | 30 | 34 | 13 | 6 | 13 | 4 | ±3 pp | 1,633 | IVR | 4 |
| Nanos Research | May 31, 2019 | 29.5 | 34.3 | 16.4 | 4.4 | 11.5 | 0.8 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.8 |
| Innovative Research | May 30, 2019 | 33 | 33 | 12 | 5 | 13 | | N/A | 1,691 | online | 0 |
| Abacus Data | May 30, 2019 | 33 | 32 | 16 | 3 | 12 | 3 | ±2.6 pp | 1,500 | online | 1 |
| Nanos Research | May 24, 2019 | 29.2 | 34.8 | 15.6 | 4.7 | 11.5 | 1.6 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.6 |
| Nanos Research | May 17, 2019 | 30.6 | 35.9 | 14.2 | 4.0 | 11.1 | 1.1 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.3 |
| Nanos Research | May 10, 2019 | 29.7 | 35.4 | 15.0 | 4.4 | 11.3 | 0.9 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.7 |
| Nanos Research | May 3, 2019 | 31.8 | 34.5 | 15.9 | 4.6 | 9.7 | 0.9 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.7 |
| Campaign Research | May 1, 2019 | 31 | 35 | 17 | 3 | 10 | 2 | ±2.6 pp | 1,471 | online | 4 |
| Angus Reid | April 30, 2019 | 25 | 38 | 18 | 5 | 11 | 3 | ±2.5 pp | 1,525 | online | 13 |
| Abacus Data | April 30, 2019 | 31 | 34 | 17 | 4 | 9 | 3 | ±1.5 pp | 4,015 | online | 3 |
| Nanos Research | April 26, 2019 | 32.0 | 34.9 | 16.5 | 4.1 | 9.0 | 0.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.9 |
| Ipsos | April 25, 2019 | 32 | 36 | 19 | 5 | | | ±3.5 pp | 1,000 | online | 4 |
| Forum Research | April 24, 2019 | 30 | 37 | 14 | 6 | 9 | 2 | ±3 pp | 1,595 | IVR | 7 |
| Leger | April 22, 2019 | 27 | 40 | 12 | 5 | 11 | 3 | ±2.5 pp | 1,522 | online | 13 |
| Nanos Research | April 18, 2019 | 33.0 | 35.5 | 15.2 | 4.7 | 8.4 | 0.8 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.5 |
| Nanos Research | April 12, 2019 | 34.1 | 35.0 | 14.9 | 4.5 | 8.8 | 0.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.9 |
| Innovative Research | April 10, 2019 | 36 | 32 | 13 | 4 | 10 | | N/A | 2,527 | online | 4 |
| Forum Research | April 6, 2019 | 29 | 42 | 12 | 6 | 9 | 2 | ±3 pp | 1,634 | IVR | 13 |
| Campaign Research | April 6, 2019 | 32 | 34 | 15 | 5 | 10 | 3 | ±2.2 pp | 2,035 | online | 2 |
| Nanos Research | April 5, 2019 | 32.8 | 34.9 | 16.6 | 4.0 | 9.5 | 0.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Nanos Research | March 29, 2019 | 34.6 | 35.1 | 16.6 | 4.4 | 8.1 | 0.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.5 |
| Ipsos | March 27, 2019 | 30 | 40 | 21 | 5 | | | ±3.5 pp | 1,002 | online | 10 |
| Mainstreet Research | March 25, 2019 | 35.0 | 37.4 | 11.6 | 3.1 | 7.9 | 3.8 | ±1.06 pp | 8,501 | IVR | 2.4 |
| Angus Reid | March 25, 2019 | 28 | 37 | 17 | 5 | 8 | 4 | ±2 pp | 5,807 | online | 9 |
| Nanos Research | March 22, 2019 | 32.5 | 34.6 | 19.4 | 3.9 | 8.3 | 0.6 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Forum Research | March 20, 2019 | 35 | 41 | 14 | 1 | 6 | 2 | ±3 pp | 1,490 | IVR | 6 |
| Leger | March 20, 2019 | 31 | 37 | 14 | 4 | 10 | 3 | ±2.51 pp | 1,513 | online | 6 |
| Nanos Research | March 15, 2019 | 32.6 | 35.5 | 19.9 | 3.2 | 7.7 | 0.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.9 |
| Abacus Data | March 10, 2019 | 32 | 34 | 16 | 4 | 11 | | ±3.3 pp | 900 (1/3) | online (rolling) | 2 |
| Campaign Research | March 10, 2019 | 30 | 36 | 16 | 4 | 10 | 2 | ±2.5 pp | 1,893 | online | 6 |
| Abacus Data | March 9, 2019 | 31 | 35 | 16 | 4 | 11 | | ±3.3 pp | 900 (1/3) | online (rolling) | 4 |
| Abacus Data | March 8, 2019 | 31 | 36 | 15 | 5 | 10 | | ±3.3 pp | 900 (1/3) | online (rolling) | 5 |
| Nanos Research | March 8, 2019 | 32.9 | 36.1 | 17.9 | 3.6 | 8.3 | 0.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.2 |
| Abacus Data | March 7, 2019 | 33 | 34 | 16 | 4 | 10 | | ±3.3 pp | 900 (1/3) | online (rolling) | 1 |
| Abacus Data | March 6, 2019 | 32 | 34 | 18 | 4 | 9 | | ±3.3 pp | 900 (1/3) | online (rolling) | 2 |
| Abacus Data | March 5, 2019 | 31 | 35 | 17 | 4 | 9 | | ±3.3 pp | 900 (1/3) | online (rolling) | 4 |
| Innovative Research | March 4, 2019 | 36 | 32 | 13 | 5 | 9 | 5 | N/A | 2,122 | online | 4 |
| Ipsos | March 4, 2019 | 31 | 40 | 20 | 4 | 4 | 0 | ±3.5 pp | 1,000 | online | 9 |
| Abacus Data | March 4, 2019 | 30 | 36 | 17 | 5 | 9 | | ±2.6 pp | 1,500 | online | 6 |
| Nanos Research | March 1, 2019 | 34.2 | 34.7 | 15.5 | 3.6 | 9.1 | 0.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.5 |
| Forum Research | February 28, 2019 | 33 | 42 | 12 | 3 | 5 | 4 | ±3 pp | 1,301 | IVR | 9 |
| Abacus Data | February 26, 2019 | 32 | 33 | 17 | 4 | 9 | | ±2.1 pp | 2,374 | online | 1 |
| Angus Reid | February 24, 2019 | 31 | 38 | 14 | 5 | 8 | | ±3.1 pp | 1,009 | online | 7 |
| Nanos Research | February 22, 2019 | 35.7 | 33.6 | 15.0 | 3.7 | 8.4 | 1.2 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Leger | February 19, 2019 | 34 | 36 | 12 | 5 | 8 | 4 | ±2.51 pp | 1,529 | online | 2 |
| Ipsos | February 18, 2019 | 34 | 36 | 17 | 6 | | | ±3.5 pp | 1,002 | online | 2 |
| Nanos Research | February 15, 2019 | 37.9 | 31.8 | 13.7 | 4.1 | 7.8 | 1.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.1 |
| Abacus Data | February 11, 2019 | 33 | 35 | 15 | 4 | 9 | | ±2.0 pp | 2,500 | online | 2 |
| Campaign Research | February 11, 2019 | 32 | 37 | 14 | 5 | 7 | 3 | ±2.5 pp | 1,590 | online | 5 |
| Nanos Research | February 8, 2019 | 37.5 | 34.4 | 13.0 | 3.8 | 7.4 | 1.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.1 |
| Abacus Data | February 5, 2019 | 34 | 34 | 17 | 4 | 8 | | ±2.0 pp | 2,500 | online | 0 |
| Nanos Research | February 1, 2019 | 37.6 | 35.9 | 13.2 | 3.1 | 7.9 | 1.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.7 |
| Nanos Research | January 25, 2019 | 37.6 | 36.6 | 12.8 | 3.0 | 8.1 | 1.2 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.0 |
| Innovative Research | January 24, 2019 | 38 | 32 | 12 | 5 | 8 | 4 | N/A | 2,451 | online | 6 |
| Mainstreet Research | January 18, 2019 | 37.2 | 35.1 | 11.5 | 3.2 | 7.2 | 4.2 | ±1.1 pp | 7,941 | IVR | 2.1 |
| Nanos Research | January 18, 2019 | 37.2 | 36.1 | 14.2 | 3.2 | 7.4 | 1.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.1 |
| Yves-François Blanchet is acclaimed leader of the Bloc Québécois (January 17, 2019) |||||||||||||
| Nanos Research | January 11, 2019 | 38.1 | 33.9 | 15.4 | 3.3 | 6.9 | 1.6 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.2 |
| Innovative Research | January 7, 2019 | 36 | 33 | 15 | 5 | 8 | 4 | N/A | 2,700 | online | 3 |
| Nanos Research | January 4, 2019 | 38.7 | 33.3 | 16.7 | 3.0 | 6.0 | 1.4 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.4 |
| Nanos Research | December 28, 2018 | 36.8 | 34.4 | 16.1 | 3.4 | 6.4 | 1.2 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.4 |
| Nanos Research | December 21, 2018 | 35.2 | 34.1 | 16.0 | 3.8 | 7.0 | 1.5 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.1 |
| Abacus Data | December 18, 2018 | 35 | 34 | 17 | 4 | 7 | | ±2.5 pp | 2,000 | online | 1 |
| Nanos Research | December 14, 2018 | 36.0 | 33.9 | 16.6 | 3.4 | 6.6 | 0.7 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Campaign Research | December 13, 2018 | 33 | 35 | 16 | 4 | 8 | 2 | ±2.5 pp | 1,494 | online | 2 |
| Ipsos | December 12, 2018 | 38 | 33 | 18 | 4 | | | ±2.5 pp | 2,001 | online | 5 |
| Nanos Research | December 7, 2018 | 34.1 | 34.8 | 15.8 | 3.1 | 8.2 | 0.8 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.7 |
| Nanos Research | November 30, 2018 | 37.9 | 32.2 | 14.3 | 3.0 | 7.6 | 0.8 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.7 |
| Forum Research | November 29, 2018 | 34 | 43 | 11 | 4 | 6 | | ±3 pp | 1,541 | IVR | 9 |
| Nanos Research | November 23, 2018 | 39.6 | 31.5 | 14.5 | 2.4 | 6.9 | 1.1 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.1 |
| Leger | November 20, 2018 | 39 | 33 | 14 | 4 | 5 | 4 | ±2.51 pp | 1,521 | online | 6 |
| Nanos Research | November 16, 2018 | 39.4 | 28.7 | 17.2 | 2.5 | 7.3 | 1.1 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.7 |
| Innovative Research | November 15, 2018 | 38 | 32 | 14 | 4 | 8 | 3 | N/A | 2,490 | online | 6 |
| Abacus Data | November 13, 2018 | 38 | 31 | 16 | 4 | 9 | | ±2.6 pp | 1,500 | online | 7 |
| Campaign Research | November 9, 2018 | 35 | 35 | 17 | 4 | 7 | | ±2.5 pp | 2,512 | online | 0 |
| Nanos Research | November 9, 2018 | 39.4 | 27.5 | 19.8 | 2.0 | 6.1 | 1.4 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Mainstreet Research | November 7, 2018 | 39.3 | 34.6 | 10.8 | 3.4 | 6.8 | 3.8 | ±1.09 pp | 7,961 | IVR | 4.7 |
| Nanos Research | November 2, 2018 | 39.6 | 28.1 | 19.3 | 1.9 | 6.9 | 1.2 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.5 |
| Nanos Research | October 26, 2018 | 39.4 | 28.2 | 19.3 | 2.8 | 6.5 | 1.0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.2 |
| Nanos Research | October 19, 2018 | 39.5 | 29.4 | 16.9 | 3.6 | 7.0 | 1.4 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.1 |
| Nanos Research | October 12, 2018 | 37.1 | 31.4 | 16.1 | 3.7 | 7.2 | 1.3 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.7 |
| Forum Research | October 10, 2018 | 32 | 41 | 15 | 4 | 7 | | ±3 pp | 1,226 | IVR | 9 |
| Ipsos | October 9, 2018 | 36 | 35 | 20 | 4 | | | ±2.5 pp | 2,001 | online | 1 |
| Nanos Research | October 5, 2018 | 37.3 | 31.1 | 16.2 | 3.8 | 6.7 | | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.2 |
| Innovative Research | October 1, 2018 | 38 | 31 | 15 | 5 | 7 | 3 | N/A | 2,410 | online | 7 |
| Nanos Research | September 28, 2018 | 38.0 | 31.7 | 16.7 | 2.6 | 6.0 | | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.3 |
| Nanos Research | September 21, 2018 | 39.0 | 31.2 | 17.0 | 2.4 | 5.5 | | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.8 |
| Pollara | September 20, 2018 | 40 | 34 | 12 | 3 | 7 | 2 | ±3.1 pp | 1,002 | online | 6 |
| Abacus Data | September 19, 2018 | 38 | 34 | 17 | 3 | 7 | | ±2.2 pp | 2,000 | online | 4 |
| DART/Maru | September 19, 2018 | 30 | 38 | 17 | 5 | 8 | | ±2.1 pp | 5,769 | online | 8 |
| Maxime Bernier forms the People's Party of Canada following his resignation from the Conservative Party caucus (September 14, 2018) |||||||||||||
| Campaign Research | September 14, 2018 | 36 | 38 | 15 | 5 | 7 | 0 | ±2.5 pp | 1,486 | online | 2 |
| Nanos Research | September 14, 2018 | 41.1 | 31.4 | 14.9 | 2.0 | 5.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.7 |
| Nanos Research | September 7, 2018 | 39.9 | 32.8 | 14.9 | 2.5 | 6.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.1 |
| Nanos Research | August 31, 2018 | 39.9 | 32.4 | 15.8 | 3.4 | 6.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.5 |
| Abacus Data | August 25, 2018 | 37 | 34 | 18 | 3 | 6 | 0 | ±3.1 pp | 1,000 | online | 3 |
| Nanos Research | August 24, 2018 | 38.8 | 34.4 | 16.5 | 2.9 | 6.3 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.4 |
| Abacus Data | August 20, 2018 | 37 | 33 | 18 | 3 | 8 | 0 | ±2.5 pp | 1,500 | online | 4 |
| Nanos Research | August 17, 2018 | 37.5 | 33.9 | 19.0 | 3.2 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.6 |
| Forum Research | August 12, 2018 | 36 | 42 | 15 | 2 | 4 | 0 | ±3 pp | 1,777 | IVR | 6 |
| Nanos Research | August 10, 2018 | 35.8 | 35.1 | 20.1 | 3.2 | 4.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.7 |
| Nanos Research | August 3, 2018 | 36.9 | 36.6 | 17.8 | 2.3 | 5.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.3 |
| Nanos Research | July 27, 2018 | 35.8 | 35.2 | 19.1 | 2.2 | 6.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.6 |
| EKOS | July 26, 2018 | 34.9 | 32.1 | 17.3 | 4.0 | 9.3 | 0 | ±2.7 pp | 1,302 | IVR | 2.8 |
| Abacus Data | July 22, 2018 | 36 | 34 | 19 | 3 | 7 | 0 | ±2.2 pp | 2,000 | online | 2 |
| Nanos Research | July 20, 2018 | 35.8 | 35.9 | 19.0 | 2.0 | 6.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.1 |
| Mainstreet Research | July 17, 2018 | 39.4 | 36.9 | 11.8 | 2.4 | 7.0 | 0 | ±1.01 pp | 9,384 | IVR | 2.5 |
| Ipsos | July 16, 2018 | 39 | 32 | 21 | 2 | | 0 | ±3.5 pp | 1,000 | online | 7 |
| Nanos Research | July 13, 2018 | 37.3 | 34.5 | 18.4 | 1.8 | 7.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.8 |
| Nanos Research | July 6, 2018 | 35.7 | 33.4 | 20.3 | 2.4 | 6.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.3 |
| Ipsos | June 29, 2018 | 33 | 37 | 21 | 3 | | 0 | ±3.5 pp | 1,002 | online | 4 |
| Nanos Research | June 29, 2018 | 36.5 | 33.1 | 20.8 | 2.7 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.4 |
| Nanos Research | June 22, 2018 | 36.7 | 32.0 | 20.6 | 3.6 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.7 |
| Campaign Research | June 18, 2018 | 34 | 36 | 18 | 3 | 8 | 0 | ±2.5 pp | 1,579 | online | 2 |
| Ipsos | June 15, 2018 | 32 | 36 | 20 | 5 | | 0 | ±3.5 pp | 1,001 | online | 4 |
| Nanos Research | June 15, 2018 | 36.9 | 32.5 | 19.9 | 4.1 | 5.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.4 |
| Angus Reid | June 14, 2018 | 36 | 32 | 16 | 4 | 9 | 0 | ±3.1 pp | 1,023 | online | 4 |
| Mario Beaulieu is named interim leader of the Bloc Québécois (June 13, 2018) |||||||||||||
| Nanos Research | June 8, 2018 | 35.3 | 33.0 | 22.0 | 4.1 | 4.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.3 |
| Nanos Research | June 1, 2018 | 34.1 | 34.0 | 21.2 | 4.4 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.1 |
| Forum Research | May 31, 2018 | 31 | 44 | 17 | 2 | 5 | 0 | ±3 pp | 969 | IVR | 13 |
| Nanos Research | May 25, 2018 | 33.0 | 36.0 | 19.8 | 4.0 | 6.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.0 |
| Nanos Research | May 18, 2018 | 35.1 | 34.0 | 20.1 | 3.6 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.1 |
| Forum Research | May 16, 2018 | 30 | 46 | 18 | 2 | 4 | 0 | ±3 pp | 1,484 | IVR | 16 |
| Innovative Research | May 14, 2018 | 35 | 38 | 15 | 4 | 7 | 0 | N/A | 2,327 | online | 3 |
| Nanos Research | May 11, 2018 | 36.1 | 34.4 | 18.5 | 3.7 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.7 |
| Leger | May 10, 2018 | 39 | 36 | 15 | 2 | | 0 | ±2.1 pp | 2,103 | online | 3 |
| Nanos Research | May 4, 2018 | 38.0 | 33.2 | 17.6 | 4.2 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.8 |
| Innovative Research | May 2, 2018 | 35 | 38 | 16 | 4 | 6 | 0 | ±3.1 pp | 1,000 | telephone | 3 |
| Ipsos | April 30, 2018 | 36 | 35 | 20 | 3 | | 0 | ±2.6 pp | 1,907 | online | 1 |
| Nanos Research | April 27, 2018 | 39.2 | 30.6 | 18.2 | 4.4 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.6 |
| Forum Research | April 20, 2018 | 30 | 43 | 14 | 4 | 8 | 0 | ±2 pp | 1,585 | IVR | 13 |
| Nanos Research | April 20, 2018 | 38.2 | 31.6 | 17.9 | 3.7 | 7.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.6 |
| Mainstreet Research | April 18, 2018 | 40.4 | 37.1 | 11.9 | 2.6 | 5.9 | 0 | ±1.01 pp | 9,401 | IVR | 3.3 |
| Nanos Research | April 13, 2018 | 41.1 | 29.2 | 15.8 | 3.8 | 8.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Nanos Research | April 6, 2018 | 38.2 | 32.9 | 17.2 | 3.0 | 7.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.3 |
| Nanos Research | March 29, 2018 | 39.1 | 33.7 | 16.4 | 2.4 | 6.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.4 |
| Ipsos | March 23, 2018 | 31 | 38 | 23 | 3 | | 0 | ±3.5 pp | 1,003 | online | 7 |
| Nanos Research | March 23, 2018 | 38.1 | 34.7 | 16.8 | 3.1 | 5.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.4 |
| Nanos Research | March 16, 2018 | 35.9 | 34.8 | 18.5 | 3.5 | 6.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.1 |
| Angus Reid | March 15, 2018 | 30 | 40 | 19 | 4 | 6 | 0 | ±2 pp | 5,423 | online | 10 |
| Nanos Research | March 9, 2018 | 35.8 | 33.1 | 19.3 | 4.5 | 6.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.7 |
| Leger | March 8, 2018 | 38 | 38 | 14 | 3 | 5 | 0 | ±2.5 pp | 1,536 | online | 0 |
| Abacus Data | March 4, 2018 | 36 | 33 | 18 | 3 | 8 | 0 | ±2.2 pp | 4,023 | online | 3 |
| Nanos Research | March 2, 2018 | 36.5 | 32.7 | 19.0 | 4.0 | 7.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.8 |
| Ipsos | March 1, 2018 | 33 | 38 | 21 | 3 | | 0 | ±3.5 pp | 1,001 | online | 5 |
| Forum Research | March 1, 2018 | 34 | 46 | 14 | 2 | 3 | 0 | ±3 pp | 941 | IVR | 12 |
| Nanos Research | February 23, 2018 | 37.7 | 31.5 | 19.2 | 3.8 | 6.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.2 |
| Nanos Research | February 16, 2018 | 36.6 | 30.8 | 20.3 | 3.3 | 8.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.8 |
| Campaign Research | February 10, 2018 | 39 | 32 | 16 | 4 | 7 | 0 | ±2.1 pp | 2,227 | online | 7 |
| Nanos Research | February 9, 2018 | 38.1 | 30.4 | 18.5 | 3.1 | 8.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.7 |
| Nanos Research | February 2, 2018 | 38.1 | 30.3 | 19.7 | 3.0 | 7.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.8 |
| Abacus Data | January 28, 2018 | 39 | 32 | 18 | 4 | 6 | 0 | ±2.7 pp | 1,411 | online | 7 |
| Nanos Research | January 26, 2018 | 37.8 | 30.6 | 19.9 | 3.5 | 7.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.2 |
| Forum Research | January 24, 2018 | 38 | 43 | 12 | 3 | 3 | 0 | ±3 pp | 1,408 | IVR | 5 |
| Nanos Research | January 19, 2018 | 37.9 | 34.4 | 17.3 | 3.7 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.5 |
| Nanos Research | January 12, 2018 | 37.0 | 33.8 | 20.0 | 3.8 | 4.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.2 |
| Campaign Research | January 11, 2018 | 42 | 29 | 16 | 4 | 7 | 0 | ±2.3 pp | 1,887 | online | 13 |
| Mainstreet Research | January 6, 2018 | 40.3 | 34.5 | 13.1 | 4.4 | 7.7 | 0 | ±0.99 pp | 9,830 | IVR | 5.8 |
| Nanos Research | January 5, 2018 | 40.9 | 30.7 | 19.5 | 3.7 | 4.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.2 |
| Nanos Research | December 29, 2017 | 41.6 | 30.1 | 20.1 | 3.5 | 4.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.5 |
| Nanos Research | December 22, 2017 | 42.8 | 29.1 | 20.0 | 3.3 | 4.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.7 |
| Nanos Research | December 15, 2017 | 41.9 | 29.3 | 19.1 | 3.4 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.6 |
| Forum Research | December 14, 2017 | 38 | 39 | 12 | 5 | 5 | 0 | ±3 pp | 1,284 | IVR | 1 |
| Ipsos | December 14, 2017 | 38 | 31 | 20 | 5 | | 0 | ±2.4 pp | 2,098 | online | 7 |
| Nanos Research | December 8, 2017 | 40.7 | 30.3 | 17.5 | 3.8 | 6.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.4 |
| Nanos Research | December 1, 2017 | 40.1 | 30.7 | 16.5 | 4.2 | 6.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.4 |
| Leger | November 30, 2017 | 40 | 34 | 13 | 4 | 8 | 0 | ±2.4 pp | 1,609 | online | 6 |
| Nanos Research | November 24, 2017 | 38.8 | 30.6 | 17.2 | 4.4 | 6.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.2 |
| Nanos Research | November 17, 2017 | 39.3 | 30.7 | 16.6 | 5.0 | 7.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.6 |
| Abacus Data | November 14, 2017 | 40 | 32 | 18 | 4 | 6 | 0 | ±2.6 pp | 1,500 | online | 8 |
| Nanos Research | November 10, 2017 | 38.3 | 30.9 | 17.5 | 5.3 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.4 |
| Campaign Research | November 9, 2017 | 38 | 30 | 19 | 5 | 7 | 0 | ±1.9 pp | 2,616 | online | 8 |
| Forum Research | November 6, 2017 | 36 | 38 | 14 | 6 | 6 | 0 | ±3 pp | 1,281 | IVR | 2 |
| Nanos Research | November 3, 2017 | 36.6 | 29.6 | 19.0 | 5.9 | 6.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.0 |
| Nanos Research | October 27, 2017 | 36.1 | 29.6 | 18.5 | 6.1 | 6.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.5 |
| Insights West | October 26, 2017 | 35 | 33 | 20 | 4 | 7 | 0 | ±3.1 pp | 1,005 | online | 2 |
| Ipsos | October 25, 2017 | 38 | 30 | 23 | 4 | | 0 | ±3.5 pp | 1,001 | online | 8 |
| Leger | October 25, 2017 | 42 | 30 | 15 | 4 | 7 | 0 | ±2.5 pp | 1,534 | online | 12 |
| Abacus Data | October 23, 2017 | 39 | 35 | 15 | 5 | 5 | 0 | ±2.6 pp | 1,500 | online | 4 |
| Nanos Research | October 20, 2017 | 35.0 | 30.8 | 17.7 | 6.3 | 6.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.2 |
| Environics | October 16, 2017 | 38 | 30 | 20 | 5 | 7 | 0 | | 2,000 | online | 8 |
| Nanos Research | October 13, 2017 | 34.6 | 31.3 | 16.3 | 7.2 | 7.3 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.3 |
| Angus Reid | October 12, 2017 | 35 | 35 | 18 | 4 | 6 | 0 | ±2.5 pp | 1,492 | online | 0 |
| Campaign Research | October 11, 2017 | 38 | 30 | 19 | 4 | 8 | 0 | ±2.2 pp | 2,002 | online | 8 |
| Nanos Research | October 6, 2017 | 36.9 | 32.0 | 15.4 | 6.6 | 5.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.9 |
| Angus Reid | October 4, 2017 | 37 | 36 | 14 | 4 | 8 | 0 | ±2.5 pp | 1,477 | online | 1 |
| Jagmeet Singh is elected leader of the New Democratic Party (October 1, 2017) |||||||||||||
| EKOS | October 1, 2017 | 34.4 | 33.3 | 14.5 | 4.5 | 8.9 | 0 | ±1.4 pp | 4,839 | IVR | 1.1 |
| Nanos Research | September 29, 2017 | 38.1 | 31.2 | 15.2 | 6.3 | 6.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.9 |
| Ipsos | September 27, 2017 | 39 | 32 | 20 | 5 | | 0 | ±3.5 pp | 1,001 | online | 7 |
| Nanos Research | September 22, 2017 | 38.5 | 32.5 | 14.6 | 6.1 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.0 |
| Nanos Research | September 15, 2017 | 40.9 | 30.0 | 15.5 | 6.0 | 5.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.9 |
| Forum Research | September 14, 2017 | 35 | 39 | 15 | 5 | 4 | 0 | ±3 pp | 1,350 | IVR | 4 |
| Campaign Research | September 11, 2017 | 42 | 30 | 16 | 5 | 6 | 0 | ±2.3 pp | 1,770 | online | 12 |
| Nanos Research | September 8, 2017 | 42.0 | 30.1 | 15.9 | 4.6 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Abacus Data | September 3, 2017 | 43 | 31 | 17 | 3 | 6 | 0 | ±2.6 pp | 1,512 | online | 12 |
| Nanos Research | September 1, 2017 | 41.2 | 32.0 | 15.7 | 4.9 | 4.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.2 |
| Mainstreet Research | August 31, 2017 | 43 | 32 | 15 | 4 | 5 | 0 | ±2.19 pp | 2,000 | telephone | 11 |
| Nanos Research | August 25, 2017 | 41.9 | 30.8 | 16.4 | 4.3 | 5.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.1 |
| Nanos Research | August 18, 2017 | 39.4 | 31.0 | 18.2 | 5.1 | 4.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.4 |
| Forum Research | August 17, 2017 | 42 | 35 | 14 | 4 | 4 | 0 | ±3 pp | 1,150 | IVR | 7 |
| Nanos Research | August 11, 2017 | 37.8 | 31.1 | 19.2 | 5.2 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.7 |
| Nanos Research | August 4, 2017 | 37.5 | 29.3 | 20.2 | 6.4 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.2 |
| Nanos Research | July 28, 2017 | 36.7 | 29.1 | 20.0 | 5.8 | 6.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.6 |
| Nanos Research | July 21, 2017 | 39.0 | 30.3 | 18.4 | 4.2 | 6.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.7 |
| Abacus Data | July 18, 2017 | 43 | 31 | 16 | 3 | 5 | 0 | ±2.2 pp | 2,036 | online | 12 |
| Nanos Research | July 14, 2017 | 38.3 | 31.2 | 16.2 | 5.9 | 6.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.1 |
| Campaign Research | July 10, 2017 | 40 | 31 | 19 | 4 | 5 | 0 | ±2 pp | 1,540 | online | 9 |
| Nanos Research | July 7, 2017 | 39.8 | 33.0 | 13.6 | 5.3 | 6.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.8 |
| Nanos Research | June 30, 2017 | 38.9 | 31.6 | 14.0 | 6.3 | 7.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.3 |
| Nanos Research | June 23, 2017 | 38.3 | 31.1 | 15.7 | 6.8 | 6.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.2 |
| EKOS | June 19, 2017 | 35.3 | 33.0 | 15.2 | 3.7 | 8.5 | 0 | ±1.3 pp | 5,658 | IVR | 2.3 |
| Nanos Research | June 16, 2017 | 37.5 | 30.9 | 16.5 | 6.7 | 6.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.6 |
| Campaign Research | June 12, 2017 | 39 | 30 | 19 | 5 | 7 | 0 | ±2 pp | 2,767 | online | 9 |
| Angus Reid | June 12, 2017 | 37 | 34 | 17 | 4 | 6 | 0 | ±2 pp | 5,406 | online | 3 |
| Nanos Research | June 9, 2017 | 36.8 | 30.5 | 17.3 | 6.1 | 7.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.3 |
| Forum Research | June 8, 2017 | 42 | 34 | 12 | 5 | 6 | 0 | ±3 pp | 1,483 | IVR | 8 |
| Nanos Research | June 2, 2017 | 40.0 | 28.1 | 16.5 | 6.2 | 7.3 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Angus Reid | May 31, 2017 | 40 | 33 | 16 | 4 | 6 | 0 | ±2.2 pp | 1,958 | online | 7 |
| Mainstreet Research | May 29, 2017 | 41 | 33 | 17 | 4 | 5 | 0 | ±1.85 pp | 2,800 | IVR | 8 |
| Andrew Scheer is elected leader of the Conservative Party of Canada (May 27, 2017) |||||||||||||
| Nanos Research | May 26, 2017 | 40.3 | 28.6 | 16.7 | 5.7 | 7.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.7 |
| Nanos Research | May 19, 2017 | 42.1 | 27.9 | 16.2 | 5.2 | 7.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.2 |
| Leger | May 18, 2017 | 46 | 25 | 16 | 5 | 6 | 0 | ±2.5 pp | 1,529 | online | 21 |
| Mainstreet Research | May 15, 2017 | 41 | 31 | 18 | 5 | 5 | 0 | ±1.85 pp | 2,800 | IVR | 10 |
| Campaign Research | May 13, 2017 | 43 | 27 | 19 | 3 | 7 | 0 | ±2 pp | 1,969 | online | 16 |
| Abacus Data | May 12, 2017 | 43 | 27 | 20 | 4 | 5 | 0 | ±2.9 pp | 1,182 | online | 16 |
| Nanos Research | May 12, 2017 | 42.8 | 28.1 | 15.9 | 6.0 | 5.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.7 |
| Nanos Research | May 5, 2017 | 41.8 | 29.0 | 18.8 | 5.1 | 4.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.8 |
| Nanos Research | April 28, 2017 | 43.0 | 29.6 | 18.5 | 4.4 | 3.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.4 |
| Forum Research | April 24, 2017 | 35 | 35 | 17 | 5 | 7 | 0 | ±3 pp | 1,479 | IVR | 0 |
| Nanos Research | April 21, 2017 | 42.0 | 30.4 | 19.0 | 4.0 | 2.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.6 |
| Nanos Research | April 14, 2017 | 41.4 | 32.4 | 18.7 | 3.4 | 3.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.0 |
| Campaign Research | April 11, 2017 | 38 | 29 | 19 | 6 | 6 | 0 | ±2 pp | 1,970 | online | 9 |
| Nanos Research | April 7, 2017 | 40.3 | 32.6 | 18.0 | 4.0 | 3.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.7 |
| Nanos Research | March 31, 2017 | 40.6 | 29.6 | 18.4 | 5.2 | 4.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.0 |
| Ipsos | March 30, 2017 | 39 | 32 | 20 | 5 | | 0 | ±3.5 pp | 1,001 | online | 7 |
| Nanos Research | March 24, 2017 | 42.5 | 29.2 | 16.1 | 4.8 | 5.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.3 |
| Forum Research | March 23, 2017 | 36 | 38 | 15 | 6 | 4 | 0 | ±3 pp | 1,029 | IVR | 2 |
| Martine Ouellet is acclaimed leader of the Bloc Québécois (March 18, 2017) |||||||||||||
| Stratcom | March 17, 2017 | 44 | 29 | 16 | 4 | 6 | 0 | ±2.2 pp | 2,029 | online | 15 |
| Nanos Research | March 17, 2017 | 41.9 | 28.5 | 17.1 | 4.7 | 5.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.4 |
| Nanos Research | March 10, 2017 | 41.4 | 28.1 | 17.0 | 4.9 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.3 |
| Campaign Research | March 7, 2017 | 43 | 27 | 16 | 6 | 5 | 0 | ±3 pp | 1,886 | online/IVR | 16 |
| Nanos Research | March 3, 2017 | 39.6 | 30.5 | 17.2 | 5.0 | 5.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.1 |
| Forum Research | February 26, 2017 | 39 | 35 | 15 | 7 | 4 | 0 | ±3 pp | 1,340 | IVR | 4 |
| Nanos Research | February 24, 2017 | 38.9 | 31.0 | 16.8 | 5.4 | 5.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.9 |
| Abacus Data | February 19, 2017 | 40 | 33 | 16 | 4 | 6 | 0 | ±2.6 pp | 1,500 | online | 7 |
| Nanos Research | February 17, 2017 | 39.3 | 29.6 | 16.9 | 6.3 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.7 |
| Nanos Research | February 10, 2017 | 37.9 | 32.9 | 16.9 | 4.8 | 5.3 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.0 |
| Campaign Research | February 6, 2017 | 34 | 34 | 16 | 6 | 6 | 0 | ±3 pp | 1,457 | IVR | 0 |
| Nanos Research | February 3, 2017 | 38.0 | 32.5 | 16.4 | 4.9 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.5 |
| Nanos Research | January 27, 2017 | 39.1 | 32.1 | 16.3 | 5.1 | 5.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.0 |
| Ipsos | January 25, 2017 | 41 | 30 | 19 | 5 | | 0 | ±3.5 pp | 1,000 | online | 11 |
| Forum Research | January 21, 2017 | 42 | 36 | 12 | 4 | 5 | 0 | ±3 pp | 1,332 | IVR | 6 |
| Nanos Research | January 20, 2017 | 39.4 | 31.2 | 16.3 | 5.1 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.2 |
| Nanos Research | January 13, 2017 | 41.4 | 28.4 | 16.2 | 6.1 | 6.1 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.0 |
| Nanos Research | January 6, 2017 | 43.0 | 28.5 | 16.2 | 5.2 | 5.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.5 |
| Nanos Research | December 30, 2016 | 43.0 | 27.9 | 16.7 | 5.5 | 5.9 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 15.1 |
| Nanos Research | December 23, 2016 | 42.0 | 28.3 | 16.9 | 5.6 | 5.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.7 |
| Nanos Research | December 16, 2016 | 43.6 | 27.4 | 16.7 | 4.9 | 5.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 16.2 |
| Abacus Data | December 14, 2016 | 44 | 30 | 16 | 4 | 5 | 0 | ±2.3 pp | 1,848 | online | 14 |
| Nanos Research | December 9, 2016 | 43.2 | 26.7 | 16.5 | 5.4 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 16.5 |
| Forum Research | December 7, 2016 | 42 | 34 | 12 | 5 | 6 | 0 | ±3 pp | 1,304 | IVR | 8 |
| Nanos Research | December 2, 2016 | 42.9 | 26.0 | 17.4 | 4.8 | 6.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 16.9 |
| Nanos Research | November 25, 2016 | 44.7 | 25.1 | 17.9 | 4.4 | 6.4 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 19.6 |
| EKOS | November 22, 2016 | 41.2 | 31.2 | 13.0 | 2.4 | 8.2 | 0 | ±2.2 pp | 1,949 | IVR | 10.0 |
| Nanos Research | November 18, 2016 | 42.9 | 28.7 | 16.0 | 5.6 | 5.6 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.2 |
| Abacus Data | November 13, 2016 | 46 | 25 | 17 | 5 | 7 | 0 | ±2.1 pp | 2,200 | online | 21 |
| Nanos Research | November 11, 2016 | 46.3 | 26.2 | 15.4 | 4.3 | 6.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 20.1 |
| Forum Research | November 10, 2016 | 51 | 28 | 11 | 4 | 5 | 0 | ±3 pp | 1,474 | IVR | 23 |
| Mainstreet Research | November 6, 2016 | 49 | 29 | 13 | 4 | 5 | 0 | ±1.38 pp | 5,066 | IVR | 20 |
| Nanos Research | November 4, 2016 | 44.9 | 29.6 | 13.8 | 5.5 | 5.5 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 15.3 |
| Nanos Research | October 28, 2016 | 44.5 | 29.6 | 13.3 | 5.3 | 6.0 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.9 |
| Nanos Research | October 21, 2016 | 46.6 | 27.5 | 13.9 | 4.0 | 6.8 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 19.1 |
| EKOS | October 18, 2016 | 46.6 | 26.4 | 14.1 | 3.3 | 7.8 | 0 | ±2.4 pp | 1,622 | online/telephone | 20.2 |
| Nanos Research | October 14, 2016 | 46.3 | 26.2 | 15.4 | 4.3 | 6.2 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 20.1 |
| Forum Research | October 12, 2016 | 49 | 30 | 12 | 5 | 4 | 0 | ±3 pp | 1,437 | IVR | 19 |
| Abacus Data | October 12, 2016 | 45 | 28 | 14 | 5 | 6 | 0 | ±2.6 pp | 1,498 | online | 17 |
| Nanos Research | October 7, 2016 | 45.9 | 25.9 | 16.2 | 4.3 | 5.7 | 0 | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 20.0 |
| Nanos Research | September 30, 2016 | 45.8 | 26.2 | 16.7 | 4.5 | 5.0 | 0 | ±3.1 pp | 1,000 | telephone (rolling) | 19.6 |
| Forum Research | September 21, 2016 | 47 | 34 | 9 | 6 | 3 | 0 | ±3 pp | 1,326 | IVR | 13 |
| Mainstreet Research | September 8, 2016 | 51 | 29 | 12 | 4 | 4 | 0 | ±1.35 pp | 5,250 | IVR | 22 |
| Forum Research | September 7, 2016 | 48 | 30 | 11 | 5 | 4 | 0 | ±3 pp | 1,370 | IVR | 18 |
| Leger | September 1, 2016 | 53 | 25 | 12 | 4 | 5 | 0 | ±2.5 pp | 1,535 | online | 28 |
| Abacus Data | August 25, 2016 | 46 | 28 | 16 | 4 | 5 | 0 | ±2.2 pp | 2,010 | online | 18 |
| Forum Research | August 6, 2016 | 50 | 31 | 10 | 4 | 4 | 0 | ±3 pp | 1,345 | IVR | 19 |
| EKOS | July 14, 2016 | 45.6 | 28.5 | 15.5 | 2.8 | 5.9 | 0 | ±3.1 pp | 1,003 | online/telephone | 17.1 |
| Forum Research | July 5, 2016 | 52 | 28 | 11 | 5 | 3 | 0 | ±3 pp | 1,429 | IVR | 24 |
| Abacus Data | June 16, 2016 | 44 | 28 | 16 | 5 | 6 | 0 | ±2.6 pp | 1,500 | online | 16 |
| Forum Research | June 7, 2016 | 49 | 32 | 10 | 4 | 4 | 0 | ±2 pp | 2,271 | IVR | 17 |
| EKOS | June 7, 2016 | 44.7 | 26.9 | 12.4 | 4.1 | 7.8 | 0 | ±2.0 pp | 2,371 | IVR | 17.8 |
| Ipsos | May 24, 2016 | 46 | 30 | 15 | 4 | | 0 | ±3.5 pp | 1,002 | online | 16 |
| Abacus Data | May 20, 2016 | 46 | 27 | 15 | 4 | 7 | 0 | ±2.2 pp | 2,000 | online | 19 |
| Forum Research | May 11, 2016 | 52 | 29 | 11 | 4 | 3 | 0 | ±3 pp | 1,517 | IVR | 23 |
| Mainstreet Research | April 27, 2016 | 49 | 30 | 14 | 3 | 4 | 0 | ±1.39 pp | 4,998 | IVR | 19 |
| Nanos Research | April 22, 2016 | 43.2 | 25.8 | 19.3 | 4.2 | 5.5 | 0 | ±3.1 pp | 1,000 | telephone | 17.4 |
| Mainstreet Research | April 15, 2016 | 48 | 30 | 14 | 3 | 5 | 0 | ±1.38 pp | 5,012 | IVR | 18 |
| EKOS | April 15, 2016 | 44.1 | 28.5 | 12.0 | 4.4 | 6.7 | 0 | ±2.9 pp | 1,176 | IVR | 15.6 |
| Abacus Data | April 13, 2016 | 49 | 26 | 13 | 5 | 5 | 0 | ±2.6 pp | 1,500 | online | 23 |
| Forum Research | April 5, 2016 | 51 | 28 | 12 | 6 | 3 | 0 | ±3 pp | 1,455 | IVR | 23 |
| Innovative Research | March 30, 2016 | 46 | 30 | 12 | 5 | 6 | 0 | n/a | 2,456 | online | 16 |
| EKOS | March 29, 2016 | 42.1 | 31.7 | 11.7 | 4.8 | 6.4 | 0 | ±2.2 pp | 2,019 | IVR | 10.4 |
| Abacus Data | March 23, 2016 | 47 | 28 | 14 | 4 | 6 | 0 | ±2.6 pp | 1,500 | online | 19 |
| Abacus Data | March 18, 2016 | 44 | 29 | 16 | 4 | 6 | 0 | ±2.6 pp | 1,500 | online | 15 |
| Forum Research | March 15, 2016 | 46 | 34 | 12 | 4 | 3 | 0 | ±2 pp | 1,567 | IVR | 12 |
| Forum Research | February 17, 2016 | 49 | 32 | 10 | 3 | 5 | 0 | ±3 pp | 1,406 | IVR | 17 |
| Leger | February 4, 2016 | 49 | 27 | 15 | 3 | 5 | 0 | ±2.1 pp | 1,524 | online | 22 |
| EKOS | January 18, 2016 | 46.7 | 25.3 | 15.9 | 3.9 | 7.0 | 0 | ±1.9 pp | 2,598 | online/telephone | 21.4 |
| Mainstreet Research | January 15, 2016 | 44 | 32 | 16 | 3 | 5 | 0 | ±1.39 pp | 4,937 | IVR | 12 |
| Abacus Data | January 12, 2016 | 45 | 28 | 17 | 5 | 5 | 0 | ±2.6 pp | 1,500 | online | 17 |
| EKOS | December 10, 2015 | 46.3 | 27.2 | 15.3 | 3.4 | 6.7 | 0 | ±2.2 pp | 1,956 | online/telephone | 19.1 |
| Forum Research | December 8, 2015 | 46 | 32 | 13 | 4 | 4 | 0 | ±3 pp | 1,369 | IVR | 14 |
| Abacus Data | November 25, 2015 | 49 | 24 | 16 | 5 | 5 | 0 | ±2.6 pp | 1,500 | online | 25 |
| Forum Research | November 17, 2015 | 45 | 37 | 10 | 4 | 3 | 0 | ±3 pp | 909 | IVR | 8 |
| Forum Research | November 7, 2015 | 55 | 25 | 12 | 4 | 3 | 0 | ±3 pp | 1,256 | IVR | 30 |
| Rona Ambrose is named interim leader of the Conservative Party of Canada (November 5, 2015) |||||||||||||
| 2015 election | October 19, 2015 | 39.5 | 31.9 | 19.7 | 4.7 | 3.4 | | | | | 7.6 |
Notes
    $^1$ Polls that share the same last date of polling are ordered from earliest (below) to latest (above) first date of polling. Polls that have identical field dates are placed in the order in which they were released/published (earliest below, latest above).
    $^2$ In cases when linked poll details distinguish between the margin of error associated with the total sample of respondents (including undecided and non-voters) and that of the subsample of decided/leaning voters, the former is included in the table. Also not included is the margin of error created by rounding to the nearest whole number or any margin of error from methodological sources. Most online polls—because of their opt-in method of recruiting panellists which results in a non-random sample—cannot have a margin of error. In such cases, shown is what the margin of error would be for a survey using a random probability-based sample of equivalent size.
    $^3$ Refers to the total, "raw" sample size, including undecided and non-voters, and before demographic weighting is applied. Fractions in parentheses apply to rolling polls (see below) and indicate the proportion of the sample that is independent from the previous poll in the series.
    $^4$ "Telephone" refers to traditional telephone polls conducted by live interviewers; "IVR" refers to automated Interactive Voice Response polls conducted by telephone; "online" refers to polls conducted exclusively over the internet; "telephone/online" refers to polls which combine results from both telephone and online surveys, or for which respondents are initially recruited by telephone and then asked to complete an online survey. "Rolling" polls contain overlapping data from one poll to the next.
    $^5$ The People's Party of Canada was officially created on September 14, 2018 and voting intentions for the party were therefore not polled prior to this date.

## Regional polls

A number of polling firms survey federal voting intentions on a regional or provincial level:

### Atlantic Canada

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | August 22, 2019 | | 43 | 30 | 10 | - | 15 | - | 2 | ±2.5 pp | 1,500 | Telephone | 13 |
| Narrative Research | May 24, 2019 | | 39 | 36 | 9 | - | 14 | - | 2 | ±2.5 pp | 1,500 | Telephone | 3 |

#### Newfoundland and Labrador

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| MQO Research | July 31, 2019 | 46 | 38 | 11 | - | 2 | 2 | 1 | ±4.9 pp | 400 | Telephone | 8 |
| MQO Research | May 4, 2019 | 49 | 37 | 11 | - | 3 | 0 | | ±4 pp | 600 | Telephone | 12 |
| MQO Research | January 28, 2019 | 56 | 35 | 6 | - | 1 | 1 | | ±4 pp | 600 | Telephone | 21 |

#### Prince Edward Island

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Margin of error | Sample size | Polling method | Lead |
| MQO Research | August 6, 2019 | 40 | 34 | 4 | - | 21 | 1 | ±5.7 pp | 400 | Telephone | 6 |
| MQO Research | April 16, 2019 | 40 | 32 | 8 | - | 18 | 1 | ±4 pp | 400 | Telephone | 8 |
| MQO Research | January 27, 2019 | 52 | 30 | 7 | - | 10 | | ±4 pp | 400 | Telephone | 22 |

#### Nova Scotia

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Margin of error | Sample size | Polling method | Lead |
| MQO Research | August 27, 2019 | 44 | 31 | 13 | - | 9 | 1 | ±4.9 pp | 400 | Telephone | 13 |
| MQO Research | May 13, 2019 | 42 | 35 | 11 | - | 10 | 0 | ±4 pp | 600 | Telephone | 7 |
| MQO Research | February 10, 2019 | 50 | 30 | 12 | - | 7 | 1 | ±4 pp | 600 | Telephone | 20 |

#### New Brunswick

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Margin of error | Sample size | Polling method | Lead |
| MQO Research | August 14, 2019 | 41 | 40 | 6 | - | 9 | 4 | ±4.9 pp | 400 | Telephone | 1 |
| MQO Research | May 6, 2019 | 36 | 39 | 7 | - | 16 | 1 | ±4 pp | 600 | Telephone | 3 |
| MQO Research | February 10, 2019 | 44 | 39 | 4 | - | 10 | 3 | ±4 pp | 600 | Telephone | 5 |

### Central Canada
#### Quebec

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| 2019 election | October 21, 2019 | 34.2 | 16.0 | 10.7 | 32.5 | 4.4 | 1.5 | 0.5 | — | 4,284,338 | — | 1.7 |
| Leger | October 15, 2019 | 31 | 16 | 14 | 31 | 6 | 2 | - | ±1.79 | 3000 | Online | 0 |
| Forum Research | October 12, 2019 | 33 | 15 | 10 | 31 | 7 | 2 | 2 | ±3 pp | 1001 | IVR | 2 |
| Leger | October 10, 2019 | 31 | 16 | 13 | 29 | 7 | 3 | 1 | - | 1014 | Online | 2 |
| Mainstreet Research | October 6, 2019 | 35 | 17 | 11 | 27 | 7 | 3 | - | ±3.75 pp | 685 | IVR | 8 |
| Mainstreet Research | September 30, 2019 | 37 | 18 | 10 | 22 | 9 | 3 | - | ±3.7 pp | 694 | IVR | 15 |
| Nanos Research | September 30, 2019 | 35.3 | 17.0 | 13.3 | 22.0 | 10.1 | 1.8 | 0.6 | ±3.6 pp | 828 | telephone | 13.3 |
| Leger | September 17, 2019 | 36 | 21 | 7 | 22 | 10 | 3 | 1 | ±3.9 pp | 837 | Online | 14 |
| Mainstreet Research | September 13, 2019 | 33.0 | 24.8 | 7.9 | 18.6 | 9.5 | - | - | unknown | unknown | IVR | 8.2 |
| Leger | August 29, 2019 | 34 | 23 | 7 | 20 | 11 | 4 | 1 | ±3.39 pp | 837 | Online | 11 |
| Forum Research | August 28, 2019 | 37 | 21 | 8 | 18 | 9 | 4 | | ±3 pp | 1219 | IVR | 16 |
| Forum Research | July 24, 2019 | 30 | 28 | 9 | 15 | 10 | 4 | 3 | ±3 pp | 977 | IVR | 2 |
| Forum Research | June 12, 2019 | 32 | 25 | 9 | 18 | 10 | 4 | 2 | ±3 pp | 1,471 | IVR | 7 |
| Leger | March 11, 2019 | 35 | 26 | 7 | 17 | 9 | 4 | | ±3.08 pp | 1,014 | Online | 9 |
| Leger | January 28, 2019 | 39 | 21 | 8 | 21 | 5 | 6 | | ±3.09 pp | 1,007 | Online | 18 |
| CROP | June 19, 2018 | 42 | 27 | 10 | 12 | 8 | | 0 | — | 1,000 | Online | 15 |
| Leger | August 24, 2017 | 43 | 16 | 19 | 16 | 6 | | 2 | ±3 pp | 1,002 | Online | 27 |
| 2015 election | October 19, 2015 | 35.7 | 16.7 | 25.4 | 19.4 | 2.2 | — | 0.7 | — | 4,241,487 | — | 19 |

#### Ontario

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Campaign Research | September 19, 2019 | 35 | 39 | 12 | - | 10 | 2 | 1 | ±2.17 pp | 2035 | Online/Telephone | 4 |
| Angus Reid | September 18, 2019 | 36 | 35 | 15 | - | 9 | 5 | - | - | 722 | online | 1 |
| EKOS | September 5, 2019 | 40.8 | 29.9 | 10.9 | - | 11.9 | 4.8 | 1.8 | ±2.0 pp | 2393 | IVR | 10.9 |
| EKOS | August 28, 2019 | 46.7 | 29.2 | 7.6 | - | 9.4 | 5.7 | 1.3 | ±4.97 pp | 389 | IVR | 17.5 |
| EKOS | August 27, 2019 | 44 | 30 | 10 | - | 10 | 4 | 2 | ±1.9 pp | 2601 | IVR | 14 |
| EKOS | August 19, 2019 | 42.9 | 29.9 | 8.6 | - | 13.7 | 2.5 | 2.5 | ±5.39 pp | 301 | IVR | 13 |
| Corbett Communications | August 13, 2019 | 39 | 31 | 14 | - | 12 | 4 | 1 | ±3 pp | 1099 | Online | 8 |
| EKOS | August 9, 2019 | 40.3 | 28.9 | 11.9 | - | 12.2 | 5.2 | 1.5 | ±4.90 pp | 400 | IVR | 11.4 |
| EKOS | July 26, 2019 | 33.8 | 35.8 | 9.5 | - | 13.2 | 4.5 | 3.2 | ±4.89 pp | 402 | IVR | 2 |
| Corbett Communications | July 10, 2019 | 38 | 33 | 14 | - | 13 | 1 | 0 | ±3 pp | 481 | Online | 5 |
| Innovative Research | April 16, 2019 | 40 | 33 | 14 | - | 9 | - | 4 | | 945 | Online | 7 |
| Innovative Research | April 10, 2019 | 41 | 34 | 13 | - | 9 | - | 4 | | 773 | Online | 7 |
| Innovative Research | April 1, 2019 | 39 | 33 | 18 | - | 7 | - | 3 | ±4 pp | 605 | Telephone | 6 |

##### Toronto

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Forum Research | September 26, 2019 | | 50 | 26 | 10 | - | 10 | 3 | 1 | ±3 pp | 1,059 | IVR | 24 |
| Forum Research | July 6, 2019 | | 46 | 26 | 12 | - | 10 | 4 | 2 | ±3 pp | 1,143 | IVR | 20 |

### Western Canada
#### Manitoba

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Probe Research | September 26, 2019 | 27 | 41 | 19 | - | 9 | 3 | 1 | ±3.1 pp | 1,000 | telephone | 14 |
| Probe Research | June 17, 2019 | 24 | 43 | 17 | - | 13 | 2 | 1 | ±3.1 pp | 1,000 | telephone | 19 |
| Probe Research | March 24, 2019 | 31 | 42 | 17 | - | 7 | 3 | 1 | ±3.1 pp | 1,000 | telephone | 11 |
| Probe Research | December 6, 2018 | 34 | 42 | 16 | - | 5 | 2 | 1 | ±2.9 pp | 1,105 | telephone | 8 |

#### Saskatchewan

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| U of Saskatchewan | September 2019 | | 5 | 41 | 11 | - | 8 | 1 | - | ±4.9 pp | 400 | telephone | 30 |

#### Alberta

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Lethbridge College | October 10, 2019 | | 17.9 | 64.0 | 9.7 | - | 4.1 | 1.9 | 2.4 | ±3.17 pp | 953 | telephone | 46.1 |
| Lethbridge College | February 5, 2019 | | 12.9 | 71.4 | 9.3 | - | 1.9 | 2.1 | 2.3 | ±3.0 pp | 1,055 | telephone | 58.5 |

#### British Columbia

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Insights West | October 16, 2019 | 20 | 27 | 23 | - | 11 | - | 2 | ±2.4 pp | 1670 | Online | 4 |
| Insights West | September 23, 2019 | 19 | 29 | 14 | - | 14 | - | 3 | ±3.3 pp | 867 | Online | 10 |
| Insights West | September 10, 2019 | 17 | 29 | 14 | - | 13 | - | 4 | ±3.4 pp | 869 | Online | 12 |

## Leadership polls

Aside from conducting the usual opinion surveys on general party preferences, polling firms also survey public opinion on who would make the best prime minister:

### February 2019–October 2019

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Jagmeet Singh | Yves-François Blanchet | Elizabeth May | Maxime Bernier | Unsure | Margin of error | Lead |
| Nanos Research | September 6, 2019 | 33.6 | 22.7 | 7.4 | 1.4 | 8.1 | 2.4 | 24.4 | ±3.1 pp | 10.9 |
| Nanos Research | August 30, 2019 | 32.2 | 23.2 | 7.2 | 1.3 | 8.3 | 2.8 | 25.1 | ±3.1 pp | 9.0 |
| Nanos Research | August 23, 2019 | 30.9 | 25.1 | 6.7 | 1.4 | 8.7 | 2.6 | 24.6 | ±3.1 pp | 5.8 |
| Nanos Research | August 16, 2019 | 31.8 | 23.9 | 7.5 | 1.7 | 8.4 | 2.5 | 24.1 | ±3.1 pp | 7.9 |
| Nanos Research | August 9, 2019 | 31.4 | 25 | 7 | 1.8 | 8.5 | 1.9 | 24.3 | ±3.1 pp | 6.4 |
| Nanos Research | August 2, 2019 | 33.8 | 24.4 | 6.8 | 1.8 | 9.2 | 1.6 | 22.3 | ±3.1 pp | 9.4 |
| Forum Research | July 28, 2019 | 28 | 28 | 7 | - | 14 | - | 23 | ±3 pp | 0 |
| Nanos Research | July 26, 2019 | 32.5 | 24.1 | 7.7 | 2.5 | 9.1 | 1.6 | 22.4 | ±3.1 pp | 8.4 |
| Leger | July 23, 2019 | 23 | 24 | 7 | | 9 | 4 | 20 | ±2.5 pp | 1 |
| Nanos Research | July 19, 2019 | 32.8 | 24.0 | 8.0 | 2.3 | 8.8 | 1.8 | 22.3 | ±3.1 pp | 8.8 |
| Abacus Data | July 17, 2019 | 36 | 31 | 13 | | 14 | 6 | | ±2.6 pp | 5 |
| Ipsos | July 15, 2019 | 32 | 36 | 13 | 2 | 17 | | | ±3.5 pp | 4 |
| Campaign Research | July 12, 2019 | 24 | 20 | 7 | 1 | 9 | 3 | 21 | ±2.3 pp | 4 |
| Nanos Research | July 12, 2019 | 32.9 | 23.1 | 8.9 | 1.8 | 7.9 | 2.2 | 23.2 | ±3.1 pp | 9.8 |
| Nanos Research | June 21, 2019 | 27.9 | 24.0 | 9.7 | 1.6 | 7.7 | 2.1 | 27.0 | ±3.1 pp | 2.9 |
| Nanos Research | June 14, 2019 | 27.0 | 24.9 | 9.9 | 1.5 | 9.4 | 1.8 | 25.6 | ±2.3 pp | 2.1 |
| Campaign Research | June 9, 2019 | 24 | 24 | 7 | 1 | 9 | 4 | 17 | ±2.6 pp | 0 |
| Abacus Data | June 1, 2019 | 33 | 30 | 12 | | 19 | 6 | | ±2.6 pp | 3 |
| Nanos Research | May 31, 2019 | 26.5 | 26.7 | 8.9 | 1.7 | 9.6 | 1.6 | 24.9 | ±3.1 pp | 0.2 |
| Nanos Research | May 17, 2019 | 27.9 | 28.6 | 6.8 | 1.5 | 10.0 | 1.8 | 23.3 | ±3.1 pp | 0.8 |
| Abacus Data | May 3, 2019 | 34 | 33 | 14 | | 14 | 6 | | ±1.5 pp | 1 |
| Leger | April 22, 2019 | 20 | 25 | 7 | | 8 | 3 | 21 | ±2.5 pp | 5 |
| Leger | March 20, 2019 | 24 | 25 | 8 | | 7 | 4 | 19 | ±2.51 pp | 1 |
| Nanos Research | March 15, 2019 | 30.3 | 27.3 | 8.9 | 1.7 | 7.2 | 2.8 | 21.8 | ±3.1 pp | 3.0 |
| Abacus Data | March 10, 2019 | 39 | 31 | 10 | | 13 | 7 | | ±3.3 pp | 8 |
| Campaign Research | March 10, 2019 | 23 | 24 | 7 | 1 | 8 | | 19 | ±2.5 pp | 1 |
| Abacus Data | March 6, 2019 | 35 | 33 | 13 | | 13 | 7 | | ±3.3 pp (final) | 2 |
| Nanos Research | March 1, 2019 | 35.2 | 25.0 | 6.2 | 1.8 | 7.3 | 2.1 | 22.5 | ±3.1 pp | 10.2 |
| Nanos Research | February 15, 2019 | 35.7 | 23.4 | 5.3 | 1.6 | 7.7 | 2.7 | 22.1 | ±3.1 pp | 12.3 |
| Campaign Research | February 11, 2019 | 28 | 25 | 4 | 6 | 1 | | 17 | ±2.5 pp | 3 |
| Nanos Research | February 8, 2019 | 35.5 | 24.9 | 5.9 | 1.4 | 6.4 | 3.8 | 22.1 | ±3.1 pp | 10.6 |

### September 2018–February 2019

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Jagmeet Singh | Mario Beaulieu | Elizabeth May | Maxime Bernier | Unsure | Margin of error | Lead |
| Nanos Research | February 1, 2019 | 34.1 | 24.9 | 6.8 | 1.2 | 6.7 | 5.2 | 21.2 | ±3.1 pp | 9.2 |
| Nanos Research | January 25, 2019 | 33.5 | 26.1 | 7.5 | 1.2 | 6.7 | 4.9 | 20.1 | ±3.1 pp | 7.4 |
| Nanos Research | January 18, 2019 | 34.6 | 24.8 | 7.5 | 1.1 | 6.7 | 4.4 | 20.9 | ±3.1 pp | 9.8 |
| Nanos Research | January 11, 2019 | 36.4 | 23.9 | 6.8 | 1.3 | 6.2 | 4.5 | 20.9 | ±3.1 pp | 12.5 |
| Nanos Research | January 4, 2019 | 39.3 | 23.5 | 6.5 | 1.2 | 5.4 | 3.9 | 20.1 | ±3.1 pp | 15.8 |
| Nanos Research | December 28, 2018 | 39.1 | 23.7 | 5.0 | 1.0 | 5.7 | 4.2 | 21.3 | ±3.1 pp | 15.4 |
| Nanos Research | December 21, 2018 | 38.3 | 24.8 | 5.0 | 0.9 | 5.8 | 4.1 | 21.1 | ±3.1 pp | 13.5 |
| Abacus Data | December 18, 2018 | 45 | 29 | 10 | | 10 | 5 | | ±2.5 pp | 16 |
| Angus Reid | December 18, 2018 | 27 | 33 | 6 | | 7 | | 26 | ±2.5 pp | 6 |
| Nanos Research | December 14, 2018 | 37.4 | 25.6 | 6.3 | 0.7 | 5.4 | 2.6 | 22.0 | ±3.1 pp | 11.8 |
| Campaign Research | December 13, 2018 | 32 | 22 | 5 | 1 | 7 | | 17 | ±2.5 pp | 10 |
| Nanos Research | December 7, 2018 | 35.8 | 25.0 | 5.6 | 0.6 | 6.0 | 2.1 | 25.0 | ±3.1 pp | 10.8 |
| Nanos Research | November 30, 2018 | 37.5 | 23.4 | 5.7 | 0.6 | 5.5 | 2.5 | 24.9 | ±3.1 pp | 14.1 |
| Forum Research | November 29, 2018 | 33 | 32 | 6 | | 8 | | 22 | ±3 pp | 1 |
| Nanos Research | November 23, 2018 | 38.2 | 21.9 | 5.8 | 0.9 | 5.7 | 2.3 | 25.2 | ±3.1 pp | 16.3 |
| Leger | November 20, 2018 | 33 | 22 | 5 | | 6 | 5 | | ±2.51 pp | 11 |
| Nanos Research | November 16, 2018 | 39.5 | 20.2 | 7.7 | 0.7 | 5.5 | 2.2 | 24.3 | ±3.1 pp | 19.3 |
| Campaign Research | November 9, 2018 | 32 | 22 | 6 | | 6 | | 17 | ±2.5 pp | 10 |
| Nanos Research | November 9, 2018 | 41.7 | 20.0 | 8.6 | 1.0 | 5.5 | 2.6 | 20.6 | ±3.1 pp | 21.7 |
| Nanos Research | November 2, 2018 | 41.2 | 20.3 | 8.2 | 1.2 | 6.3 | 2.4 | 20.4 | ±3.1 pp | 20.9 |
| Nanos Research | October 26, 2018 | 40.8 | 21.3 | 8.0 | 1.6 | 5.5 | 2.7 | 20.0 | ±3.1 pp | 19.5 |
| Nanos Research | October 19, 2018 | 37.9 | 22.9 | 7.5 | 1.6 | 6.2 | 2.5 | 21.4 | ±3.1 pp | 15.0 |
| Nanos Research | October 12, 2018 | 39.1 | 23.4 | 7.1 | 1.0 | 5.5 | 3.1 | 20.9 | ±3.1 pp | 15.7 |
| Innovative Research | October 1, 2018 | 47 | 29 | 9 | 2 | 8 | | | n/a | 18 |
| Pollara | September 20, 2018 | 39 | 27 | 8 | | | 5 | 21 | ±3.1 pp | 12 |

### August–September 2018

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Jagmeet Singh | Mario Beaulieu | Elizabeth May | Margin of error | Lead |
| Nanos Research | September 28, 2018 | 41.4 | 24.7 | 7.8 | 0.5 | 5.5 | ±3.1 pp | 16.7 |
| Nanos Research | September 21, 2018 | 43.1 | 25.0 | 7.5 | 0.8 | 5.6 | ±3.1 pp | 18.1 |
| Pollara | September 20, 2018 | 39 | 27 | 8 | — | 5 | ±3.1 pp | 12 |
| Campaign Research | September 14, 2018 | 32 | 22 | 5 | 5 | | ±2.5 pp | 10 |
| Nanos Research | August 31, 2018 | 42.2 | 24.3 | 6.8 | 1.0 | 6.4 | ±3.1 pp | 17.9 |
| Nanos Research | August 24, 2018 | 40.1 | 25.4 | 7.7 | 1.3 | 5.2 | ±3.1 pp | 14.7 |
| Nanos Research | August 17, 2018 | 39.6 | 25.2 | 8.2 | 1.2 | 4.6 | ±3.1 pp | 14.4 |

### October 2017–July 2018

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Jagmeet Singh | Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | July 27, 2018 | 40.4 | 24.5 | 6.5 | 1.2 | 5.8 | ±3.1 pp | 15.9 |
| Nanos Research | July 20, 2018 | 40.5 | 25.2 | 6.3 | 1.3 | 5.9 | ±3.1 pp | 15.3 |
| Nanos Research | July 6, 2018 | 42.6 | 24.4 | 7.1 | 0.9 | 6.0 | ±3.1 pp | 18.2 |
| Nanos Research | June 22, 2018 | 41.3 | 24.8 | 8.2 | 1.1 | 4.9 | ±3.1 pp | 16.5 |
| Nanos Research | June 15, 2018 | 38.7 | 25.4 | 8.8 | 0.8 | 4.3 | ±3.1 pp | 13.3 |
| Angus Reid | June 14, 2018 | 35 | 22 | 7 | – | 6 | ±3.1 pp | 13 |
| Nanos Research | June 1, 2018 | 34.3 | 25.6 | 10.0 | 1.2 | 5.7 | ±3.1 pp | 8.7 |
| Nanos Research | May 25, 2018 | 36.0 | 25.2 | 9.3 | 1.3 | 6.4 | ±3.1 pp | 10.8 |
| Nanos Research | May 18, 2018 | 39.2 | 22.4 | 8.1 | 1.3 | 6.8 | ±3.1 pp | 16.8 |
| Nanos Research | May 11, 2018 | 39.6 | 20.9 | 8.1 | 0.9 | 7.7 | ±3.1 pp | 18.7 |
| Forum Research | April 20, 2018 | 24 | 25 | 8 | 3 | 12 | ±2 pp | 1 |
| Nanos Research | March 23, 2018 | 38.5 | 26.5 | 8.9 | 1.9 | 4.9 | ±3.1 pp | 12.0 |
| Nanos Research | March 16, 2018 | 37.5 | 25.9 | 9.0 | 2.4 | 5.7 | ±3.1 pp | 11.6 |
| Angus Reid | March 15, 2018 | 26 | 22 | 7 | – | – | ±2 pp | 4 |
| Nanos Research | March 9, 2018 | 39.2 | 23.2 | 9.4 | 2.6 | 5.9 | ±3.1 pp | 16.0 |
| Nanos Research | March 2, 2018 | 40.4 | 22.8 | 8.6 | 1.8 | 6.6 | ±3.1 pp | 17.6 |
| Nanos Research | February 23, 2018 | 40.4 | 22.1 | 9.5 | 1.9 | 5.6 | ±3.1 pp | 18.3 |
| Nanos Research | February 16, 2018 | 41.0 | 21.9 | 9.3 | 1.5 | 5.4 | ±3.1 pp | 20.1 |
| Campaign Research | February 10, 2018 | 35 | 15 | 7 | 2 | 5 | ±2.1 pp | 20 |
| Nanos Research | January 26, 2018 | 40.8 | 22.1 | 8.3 | 2.3 | 5.8 | ±3.1 pp | 18.7 |
| Nanos Research | January 12, 2018 | 42.7 | 22.3 | 8.1 | 1.8 | 5.2 | ±3.1 pp | 20.4 |
| Nanos Research | January 5, 2018 | 45.6 | 20.3 | 9.0 | 1.4 | 4.1 | ±3.1 pp | 25.3 |
| Nanos Research | December 29, 2017 | 46.9 | 21.5 | 9.1 | 1.0 | 3.9 | ±3.1 pp | 25.4 |
| Nanos Research | December 22, 2017 | 48.3 | 22.0 | 7.9 | 0.8 | 4.5 | ±3.1 pp | 26.3 |
| Nanos Research | December 15, 2017 | 46.8 | 21.9 | 8.2 | 1.0 | 5.9 | ±3.1 pp | 24.9 |
| Forum Research | December 14, 2017 | 30 | 21 | 9 | 5 | 10 | ±3.1 pp | 9 |
| Nanos Research | December 8, 2017 | 45.4 | 23.5 | 8.0 | 1.3 | 6.4 | ±3.1 pp | 21.9 |
| Nanos Research | December 1, 2017 | 45.6 | 22.8 | 6.6 | 2.0 | 6.1 | ±3.1 pp | 22.8 |
| Nanos Research | November 24, 2017 | 44.1 | 22.8 | 7.2 | 1.6 | 5.3 | ±3.1 pp | 21.3 |
| Nanos Research | November 17, 2017 | 44.8 | 22.4 | 7.7 | 1.6 | 4.8 | ±3.1 pp | 22.4 |
| Nanos Research | November 10, 2017 | 45.0 | 21.1 | 8.8 | 1.4 | 5.2 | ±3.1 pp | 23.9 |
| Campaign Research | November 9, 2017 | 35 | 15 | 7 | 5 | 5 | ±2.2 pp | 20 |
| Nanos Research | November 3, 2017 | 43.8 | 21.0 | 8.5 | 1.9 | 5.4 | ±3.1 pp | 22.8 |
| Nanos Research | October 27, 2017 | 44.3 | 20.8 | 9.2 | 2.3 | 5.5 | ±3.1 pp | 23.5 |
| Campaign Research | October 11, 2017 | 36 | 14 | 6 | 1 | 5 | ±2.2 pp | 22 |

### October 2017

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Jagmeet Singh/ Thomas Mulcair | Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | October 20, 2017 | 42.2 | 22.4 | 9.5 | 2.0 | 5.2 | ±3.1 pp | 19.8 |
| Nanos Research | October 13, 2017 | 41.9 | 22.5 | 8.7 | 1.6 | 5.3 | ±3.1 pp | 19.4 |
| Nanos Research | October 6, 2017 | 43.9 | 21.7 | 9.3 | 1.2 | 4.0 | ±3.1 pp | 22.2 |

### June–September 2017

| Polling firm | Last date of polling | Justin Trudeau | Andrew Scheer | Thomas Mulcair | Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | September 29, 2017 | 43.9 | 20.3 | 9.7 | 1.3 | 4.0 | ±3.1 pp | 23.6 |
| Nanos Research | September 22, 2017 | 45.3 | 21.2 | 9.4 | 1.5 | 4.3 | ±3.1 pp | 24.1 |
| Nanos Research | September 15, 2017 | 46.3 | 19.7 | 10.1 | 1.5 | 4.1 | ±3.1 pp | 26.6 |
| Forum Research | September 14, 2017 | 34 | 20 | 12 | 4 | 5 | ±3 pp | 14 |
| Campaign Research | September 11, 2017 | 42 | 13 | 8 | 2 | 6 | ±2.3 pp | 29 |
| Nanos Research | September 8, 2017 | 47.8 | 19.7 | 9.7 | 1.3 | 3.7 | ±3.1 pp | 28.1 |
| Nanos Research | September 1, 2017 | 46.2 | 21.7 | 9.8 | 1.6 | 4.0 | ±3.1 pp | 24.5 |
| Nanos Research | August 25, 2017 | 48.0 | 20.4 | 9.0 | 1.3 | 4.3 | ±3.1 pp | 27.6 |
| Nanos Research | August 18, 2017 | 47.5 | 21.6 | 8.4 | 1.1 | 4.4 | ±3.1 pp | 25.9 |
| Forum Research | August 17, 2017 | 39 | 18 | 10 | 2 | 8 | ±3 pp | 21 |
| Nanos Research | August 11, 2017 | 47.1 | 21.3 | 9.2 | 1.4 | 4.9 | ±3.1 pp | 25.8 |
| Nanos Research | August 4, 2017 | 46.1 | 21.8 | 9.8 | 1.7 | 5.1 | ±3.1 pp | 24.3 |
| Nanos Research | July 28, 2017 | 44.0 | 21.5 | 9.7 | 1.6 | 6.0 | ±3.1 pp | 22.5 |
| Nanos Research | July 21, 2017 | 45.4 | 20.8 | 10.1 | 1.4 | 5.5 | ±3.1 pp | 24.6 |
| Nanos Research | July 14, 2017 | 43.9 | 21.9 | 9.8 | 1.4 | 5.5 | ±3.1 pp | 22.0 |
| Campaign Research | July 10, 2017 | 38 | 17 | 8 | 1 | 4 | ±2 pp | 21 |
| Nanos Research | July 7, 2017 | 45.6 | 21.4 | 8.1 | 0.7 | 5.4 | ±3.1 pp | 24.2 |
| Nanos Research | June 30, 2017 | 46.9 | 21.5 | 7.9 | 1.1 | 4.0 | ±3.1 pp | 25.4 |
| Nanos Research | June 23, 2017 | 46.3 | 21.2 | 8.4 | 1.0 | 4.5 | ±3.1 pp | 25.1 |
| Angus Reid | June 12, 2017 | 37 | 19 | 10 | | | ±2 pp | 18 |
| Forum Research | June 8, 2017 | 39 | 20 | 9 | 3 | 8 | ±3 pp | 19 |

### June 2017

| Polling firm | Last date of polling | Justin Trudeau | Rona Ambrose/ Andrew Scheer | Thomas Mulcair | Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | June 16, 2017 | 45.8 | 19.8 | 8.5 | 1.2 | 5.3 | ±3.1 pp | 26.0 |
| Nanos Research | June 9, 2017 | 43.6 | 19.2 | 9.1 | 1.3 | 5.3 | ±3.1 pp | 24.4 |
| Nanos Research | June 2, 2017 | 45.9 | 18.5 | 8.9 | 1.5 | 5.1 | ±3.1 pp | 27.4 |

### April–May 2017

| Polling firm | Last date of polling | Justin Trudeau | Rona Ambrose | Thomas Mulcair | Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | May 26, 2017 | 45.7 | 18.4 | 9.1 | 0.2 | 4.9 | ±3.1 pp | 27.3 |
| Nanos Research | May 19, 2017 | 46.3 | 18.4 | 9.2 | 1.9 | 5.2 | ±3.1 pp | 27.9 |
| Nanos Research | May 12, 2017 | 47.8 | 19.4 | 10.3 | 2.0 | 5.4 | ±3.1 pp | 28.4 |
| Nanos Research | May 5, 2017 | 46.9 | 18.7 | 10.7 | 2.0 | 5.4 | ±3.1 pp | 28.2 |
| Nanos Research | April 28, 2017 | 48.2 | 18.4 | 9.4 | 1.6 | 5.4 | ±3.1 pp | 29.8 |
| Forum Research | April 24, 2017 | 32 | 12 | 10 | 2 | 8 | ±3 pp | 20 |
| Nanos Research | April 21, 2017 | 47.8 | 18.6 | 9.2 | 0.2 | 5.1 | ±3.1 pp | 29.2 |
| Nanos Research | April 13, 2017 | 46.5 | 19.4 | 8.7 | 1.7 | 5.3 | ±3.1 pp | 27.1 |

### March–April 2017

| Polling firm | Last date of polling | Justin Trudeau | Rona Ambrose | Thomas Mulcair | Rhéal Fortin/ Martine Ouellet | Elizabeth May | Margin of error | Lead |
| Nanos Research | April 7, 2017 | 47.0 | 19.3 | 10.5 | 1.3 | 4.6 | ±3.1 pp | 27.7 |
| Nanos Research | March 31, 2017 | 47.2 | 18.1 | 11.6 | 1.5 | 4.9 | ±3.1 pp | 29.1 |
| Nanos Research | March 24, 2017 | 48.7 | 18.1 | 10.7 | 0.9 | 5.0 | ±3.1 pp | 30.6 |

### December 2015–March 2017

| Polling firm | Last date of polling | Justin Trudeau | Rona Ambrose | Thomas Mulcair | Rhéal Fortin | Elizabeth May | Margin of error | Lead |
| Nanos Research | March 17, 2017 | 49.7 | 17.3 | 10.6 | 0.8 | 4.3 | ±3.1 pp | 32.4 |
| Nanos Research | March 10, 2017 | 48.7 | 17.0 | 10.8 | 0.8 | 4.9 | ±3.1 pp | 31.7 |
| Nanos Research | March 3, 2017 | 47.0 | 17.4 | 10.2 | 0.9 | 5.2 | ±3.1 pp | 29.6 |
| Nanos Research | February 24, 2017 | 46.3 | 18.3 | 9.9 | 0.9 | 4.9 | ±3.1 pp | 28.0 |
| Nanos Research | February 17, 2017 | 46.1 | 17.3 | 10.9 | 1.2 | 4.9 | ±3.1 pp | 28.8 |
| Nanos Research | February 10, 2017 | 46.4 | 19.1 | 9.6 | 1.0 | 4.9 | ±3.1 pp | 27.3 |
| Campaign Research | February 6, 2017 | 31 | 14 | 11 | | | ±3 pp | 17 |
| Nanos Research | February 3, 2017 | 45.4 | 20.0 | 10.2 | 1.2 | 5.5 | ±3.1 pp | 25.4 |
| Nanos Research | January 27, 2017 | 46.7 | 19.9 | 10.7 | 1.1 | 4.7 | ±3.1 pp | 26.8 |
| Forum Research | January 21, 2017 | 38 | 11 | 9 | 2 | 6 | ±3 pp | 27 |
| Nanos Research | January 20, 2017 | 46.6 | 20.3 | 10.2 | 0.9 | 5.1 | ±3.1 pp | 26.3 |
| Nanos Research | January 13, 2017 | 46.7 | 18.8 | 11.1 | 0.8 | 5.1 | ±3.1 pp | 27.9 |
| Nanos Research | January 6, 2017 | 49.3 | 18.1 | 10.0 | 0.5 | 4.0 | ±3.1 pp | 31.2 |
| Nanos Research | December 30, 2016 | 49.0 | 17.7 | 9.6 | 0.8 | 4.7 | ±3.1 pp | 31.3 |
| Nanos Research | December 23, 2016 | 50.6 | 17.1 | 8.8 | 0.9 | 4.6 | ±3.1 pp | 33.5 |
| Nanos Research | December 9, 2016 | 54.1 | 15.8 | 7.4 | 1.0 | 5.4 | ±3.1 pp | 38.3 |
| Nanos Research | December 2, 2016 | 54.0 | 15.5 | 8.5 | 1.1 | 5.3 | ±3.1 pp | 38.5 |
| Forum Research | December 7, 2016 | 40 | 14 | 12 | 2 | 6 | ±3 pp | 26 |
| Nanos Research | November 25, 2016 | 54.2 | 15.7 | 8.7 | 0.7 | 5.5 | ±3.1 pp | 38.5 |
| Nanos Research | November 18, 2016 | 52.2 | 17.1 | 8.3 | 0.5 | 5.3 | ±3.1 pp | 35.1 |
| Nanos Research | November 11, 2016 | 50.3 | 16.7 | 8.7 | 0.7 | 5.5 | ±3.1 pp | 33.6 |
| Nanos Research | November 4, 2016 | 49.5 | 16.2 | 8.3 | 0.5 | 5.6 | ±3.1 pp | 33.3 |
| Nanos Research | October 28, 2016 | 49.6 | 16.0 | 8.2 | 0.5 | 5.7 | ±3.1 pp | 33.6 |
| Nanos Research | October 21, 2016 | 50.4 | 14.6 | 8.4 | 0.6 | 6.1 | ±3.1 pp | 35.8 |
| Nanos Research | October 14, 2016 | 52.2 | 14.7 | 8.6 | 0.7 | 5.4 | ±3.1 pp | 37.6 |
| Nanos Research | October 7, 2016 | 55.9 | 14.5 | 7.7 | 0.6 | 4.5 | ±3.1 pp | 41.4 |
| Nanos Research | September 30, 2016 | 56.0 | 14.1 | 7.4 | 0.6 | 4.4 | ±3.1 pp | 41.9 |
| Nanos Research | September 23, 2016 | 55.9 | 15.0 | 7.9 | 1.1 | 3.8 | ±3.1 pp | 40.9 |
| Forum Research | September 21, 2016 | 44 | 13 | 8 | 2 | 7 | ±3 pp | 31 |
| Nanos Research | September 16, 2016 | 53.9 | 15.6 | 8.3 | 1.3 | 3.7 | ±3.1 pp | 38.3 |
| Nanos Research | September 9, 2016 | 53.7 | 16.7 | 8.0 | 1.5 | 3.8 | ±3.1 pp | 37.0 |
| Forum Research | September 7, 2016 | 46 | 13 | 8 | 1 | 7 | ±3 pp | 33 |
| Nanos Research | September 2, 2016 | 54.1 | 16.5 | 7.9 | 1.8 | 3.6 | ±3.1 pp | 37.6 |
| Nanos Research | August 26, 2016 | 54.4 | 16.7 | 9.3 | 1.5 | 3.6 | ±3.1 pp | 37.7 |
| Nanos Research | August 19, 2016 | 56.3 | 16.3 | 9.0 | 1.2 | 3.3 | ±3.1 pp | 40.0 |
| Nanos Research | August 12, 2016 | 55.6 | 14.5 | 9.2 | 1.3 | 4.3 | ±3.1 pp | 41.1 |
| Forum Research | August 6, 2016 | 50 | 12 | 8 | 1 | 7 | ±3.0 pp | 38 |
| Nanos Research | August 5, 2016 | 55.4 | 15.1 | 9.2 | 1.0 | 4.6 | ±3.1 pp | 40.3 |
| Nanos Research | July 29, 2016 | 54.1 | 14.9 | 9.2 | 0.6 | 4.9 | ±3.1 pp | 39.2 |
| Nanos Research | July 22, 2016 | 52.3 | 15.9 | 9.2 | 0.5 | 4.9 | ±3.1 pp | 36.4 |
| Nanos Research | July 15, 2016 | 52.7 | 17.0 | 9.0 | 0.2 | 4.4 | ±3.1 pp | 35.7 |
| Nanos Research | July 8, 2016 | 52.3 | 16.7 | 9.8 | 0.7 | 4.1 | ±3.1 pp | 35.6 |
| Forum Research | July 5, 2016 | 49 | 13 | 9 | 1 | 7 | ±2 pp | 36 |
| Nanos Research | June 30, 2016 | 52.5 | 17.6 | 8.5 | 1.3 | 4.9 | ±3.1 pp | 34.9 |
| Nanos Research | June 24, 2016 | 53.4 | 15.9 | 8.8 | 1.5 | 5.2 | ±3.1 pp | 37.5 |
| Nanos Research | June 17, 2016 | 53.6 | 15.1 | 8.3 | 1.4 | 5.0 | ±3.1 pp | 38.5 |
| Nanos Research | June 10, 2016 | 52.6 | 15.8 | 8.0 | 1.3 | 5.0 | ±3.1 pp | 36.8 |
| Forum Research | June 7, 2016 | 45 | 11 | 9 | 2 | 6 | ±2 pp | 34 |
| Nanos Research | June 3, 2016 | 53.5 | 14.5 | 8.6 | 1.0 | 4.3 | ±3.1 pp | 39 |
| Nanos Research | May 27, 2016 | 53.7 | 15.5 | 8.2 | 1.0 | 3.8 | ±3.1 pp | 38.2 |
| Nanos Research | May 20, 2016 | 53.8 | 15.6 | 9.0 | 1.2 | 3.6 | ±3.1 pp | 38.2 |
| Nanos Research | May 13, 2016 | 53.0 | 15.8 | 10.1 | 1.3 | 3.4 | ±3.1 pp | 37.2 |
| Forum Research | May 11, 2016 | 47 | 13 | 10 | 2 | 6 | ±3 pp | 34 |
| Nanos Research | May 6, 2016 | 51.9 | 15.3 | 10.3 | 1.2 | 5.3 | ±3.1 pp | 36.6 |
| Nanos Research | April 29, 2016 | 51.6 | 15.2 | 10.7 | 0.8 | 5.8 | ±3.1 pp | 36.4 |
| Nanos Research | April 22, 2016 | 50.4 | 16.7 | 10.6 | 0.7 | 5.8 | ±3.1 pp | 33.7 |
| Nanos Research | April 15, 2016 | 51.1 | 16.6 | 9.7 | 0.5 | 6.0 | ±3.1 pp | 34.5 |
| Nanos Research | April 8, 2016 | 52.3 | 16.9 | 10.6 | 0.5 | 4.2 | ±3.1 pp | 35.4 |
| Forum Research | April 5, 2016 | 47 | 11 | 10 | 1 | 7 | ±3 pp | 36 |
| Nanos Research | April 1, 2016 | 51.3 | 17.5 | 11.6 | 0.8 | 3.3 | ±3.1 pp | 33.8 |
| Innovative Research | March 30, 2016 | 60.0 | 21.0 | 12.0 | 1.0 | 6.0 | n/a | 39.0 |
| Nanos Research | March 24, 2016 | 51.4 | 17.0 | 11.6 | 1.1 | 3.9 | ±3.1 pp | 34.4 |
| Nanos Research | March 18, 2016 | 52.8 | 14.9 | 12.7 | 0.6 | 4.4 | ±3.1 pp | 37.9 |
| Forum Research | March 15, 2016 | 43 | 13 | 10 | 1 | 5 | ±2 pp | 30 |
| Nanos Research | March 11, 2016 | 52.7 | 14.6 | 12.8 | 0.7 | 4.7 | ±3.1 pp | 38.1 |
| Nanos Research | March 4, 2016 | 53.7 | 14.2 | 11.3 | 0.9 | 5.3 | ±3.1 pp | 39.5 |
| Nanos Research | February 26, 2016 | 53.5 | 13.9 | 10.9 | 0.9 | 5.0 | ±3.1 pp | 39.6 |
| Nanos Research | February 19, 2016 | 51.4 | 14.9 | 11.4 | 1.0 | 4.8 | ±3.1 pp | 36.5 |
| Forum Research | February 17, 2016 | 47 | 12 | 8 | 1 | 7 | ±3 pp | 35 |
| Nanos Research | February 12, 2016 | 51.4 | 15.1 | 10.7 | 1.0 | 4.4 | ±3.1 pp | 36.3 |
| Leger | February 9, 2016 | 40 | 9 | 10 | | 4 | ±2.1 pp | 30 |
| Nanos Research | February 5, 2016 | 51.0 | 14.8 | 12.2 | 0.9 | 4.1 | ±3.1 pp | 36.2 |
| Nanos Research | January 29, 2016 | 50.0 | 14.9 | 13.0 | 0.7 | 4.4 | ±3.1 pp | 35.1 |
| Nanos Research | January 22, 2016 | 52.2 | 14.6 | 11.5 | 0.9 | 3.5 | ±3.1 pp | 37.6 |
| Nanos Research | January 15, 2016 | 53.5 | 13.7 | 10.6 | 1.0 | 4.5 | ±3.1 pp | 39.8 |
| Nanos Research | January 8, 2016 | 53.2 | 13.2 | 10.3 | 1.1 | 4.2 | ±3.1 pp | 40.0 |
| Nanos Research | January 2, 2016 | 52.6 | 12.1 | 11.6 | 1.2 | 4.8 | ±3.1 pp | 40.5 |
| Nanos Research | December 25, 2015 | 53.1 | 11.3 | 12.7 | 1.2 | 5.1 | ±3.1 pp | 40.4 |
| Nanos Research | December 18, 2015 | 50.2 | 12.9 | 13.0 | 1.3 | 5.1 | ±3.1 pp | 37.2 |
| Nanos Research | December 11, 2015 | 51.5 | 13.7 | 12.8 | 1.2 | 5.0 | ±3.1 pp | 37.8 |
| Nanos Research | December 4, 2015 | 53.7 | 13.7 | 12.0 | 1.4 | 4.2 | ±3.1 pp | 40.0 |

### November 2015

| Polling firm | Last date of polling | Justin Trudeau | Stephen Harper/ Rona Ambrose | Thomas Mulcair | Rhéal Fortin | Elizabeth May | Margin of error | Lead |
| Nanos Research | November 27, 2015 | 50.9 | 16.3 | 12.3 | 1.6 | 4.8 | ±3.1 pp | 34.6 |
| Nanos Research | November 20, 2015 | 53.3 | 17.2 | 11.6 | 1.2 | 4.6 | ±3.1 pp | 36.1 |
| Nanos Research | November 13, 2015 | 50.9 | 18.4 | 13.0 | 1.3 | 5.0 | ±3.1 pp | 32.5 |