# Opinion polling for the 2021 Canadian federal election

This table provides a list of scientific, nationwide public opinion polls that were conducted from the 2019 Canadian federal election leading up to the 2021 Canadian federal election, which took place on September 20, 2021. For riding-specific polls see the list of 2021 constituency polls.

## National polls
### Campaign period

| Polling firm | Last date of polling | Link | CPC | LPC | NDP | BQ | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| 2021 election | September 20, 2021 | HTML | 33.7 | 32.6 | 17.8 | 7.6 | 2.3 | 4.9 | 1.1 | — | 17,042,591 | — | 1.1 |
| Nanos Research | September 19, 2021 | | 31.2 | 32.4 | 17.5 | 7.5 | 4.5 | 6.6 | 0.3 | ±3.6 pp | 832 | telephone | 1.2 |
| Forum Research | September 19, 2021 | | 33.0 | 29.4 | 16.2 | 6.9 | 2.9 | 10.3 | 1.3 | ±3 pp | 1,181 | IVR | 3.6 |
| Research Co. | September 19, 2021 | | 32 | 32 | 19 | 7 | 4 | 6 | 1 | ±3.1 pp | 1,800 | online | 0 |
| Mainstreet Research | September 19, 2021 | | 30.4 | 33.4 | 18.1 | 6.0 | 2.1 | 9.3 | 0.7 | ±2.1 pp | 2,211 (1/4) | IVR (rolling) | 3.0 |
| Abacus Data | September 19, 2021 | | 32 | 31 | 19 | 7 | 4 | 6 | 2 | ±2.0 pp | 2,431 | online | 1 |
| EKOS | September 19, 2021 | | 27.3 | 32.6 | 18.0 | 7.3 | 3.9 | 9.9 | 1 | ±2.4 pp | 1,662 (1/4) | IVR (rolling) | 5.3 |
| Counsel | September 18, 2021 | | 30 | 31 | 19 | 7 | 4 | 7 | 2 | ±1.7 pp | 3,298 | online | 1 |
| EKOS | September 18, 2021 | | 26.9 | 32.1 | 18.5 | 7.2 | 4.4 | 10.0 | 0.9 | ±2.7 pp | 1,327 (1/3) | IVR (rolling) | 5.2 |
| Nanos Research | September 18, 2021 | | 30.5 | 30.8 | 21.0 | 6.5 | 4.7 | 5.6 | 1.0 | ±2.5 pp | 1,679 (1/2) | telephone (rolling) | 0.3 |
| Mainstreet Research | September 18, 2021 | | 30.5 | 31.9 | 19.0 | 6.4 | 2.5 | 8.9 | 0.8 | ±1.9 pp | 2,494 (1/2) | IVR (rolling) | 1.4 |
| Abacus Data | September 18, 2021 | | 31 | 32 | 21 | 6 | 3 | 6 | 1 | ±2.8 pp | 1,271 (1/3) | online (rolling) | 1 |
| Ipsos | September 18, 2021 | | 32 | 31 | 21 | 7 | 3 | 4 | 1 | ±2.3 pp | 2,359 | online/telephone | 1 |
| Angus Reid | September 18, 2021 | | 32 | 30 | 20 | 7 | 3 | 5 | 1 | ±2.2 pp | 2,042 | online | 2 |
| EKOS | September 17, 2021 | | 27.7 | 30.6 | 20.0 | 7.3 | 4.5 | 9.1 | 1 | ±2.6 pp | 1,422 (1/3) | IVR (rolling) | 2.9 |
| Nanos Research | September 17, 2021 | | 29.2 | 31.3 | 20.9 | 6.4 | 3.9 | 7.3 | 1.0 | ±2.8 pp | 1,241 (1/3) | telephone (rolling) | 2.1 |
| Mainstreet Research | September 17, 2021 | | 30.8 | 31.0 | 19.9 | 6.6 | 2.5 | 8.4 | 0.9 | ±2.2 pp | 1,871 (1/3) | IVR (rolling) | 0.2 |
| Abacus Data | September 17, 2021 | | 32 | 33 | 21 | 6 | 2 | 5 | 1 | ±2.7 pp | 1,333 (1/3) | online (rolling) | 1 |
| Leger | September 17, 2021 | | 33 | 32 | 19 | 7 | 2 | 6 | 1 | ±2.5 pp | 2,147 | online | 1 |
| EKOS | September 16, 2021 | | 30.6 | 30.4 | 18.5 | 7.0 | 4.1 | 8.5 | 0.9 | ±2.6 pp | 1,384 (1/3) | IVR (rolling) | 0.2 |
| Nanos Research | September 16, 2021 | | 30.4 | 31.9 | 20.3 | 5.8 | 3.2 | 7.5 | 0.8 | ±2.8 pp | 1,228 (1/3) | telephone (rolling) | 1.5 |
| Mainstreet Research | September 16, 2021 | | 31.9 | 29.5 | 19.5 | 6.4 | 3.0 | 8.8 | 0.9 | ±2.3 pp | 1,749 (1/3) | IVR (rolling) | 2.4 |
| Abacus Data | September 16, 2021 | | 30 | 34 | 21 | 6 | 3 | 5 | 1 | ±2.9 pp | 1,604 (1/3) | online (rolling) | 4 |
| Campaign Research | September 16, 2021 | | 31 | 31 | 21 | 7 | 4 | 5 | 1 | ±1 pp | 5,163 | online | 0 |
| EKOS | September 15, 2021 | | 30.4 | 32.1 | 18.4 | 6.3 | 3.8 | 8.2 | 0.7 | ±2.6 pp | 1,446 (1/3) | IVR (rolling) | 1.7 |
| Nanos Research | September 15, 2021 | | 30.3 | 31.9 | 21.2 | 6.4 | 3.2 | 6.7 | 0.4 | ±2.8 pp | 1,237 (1/3) | telephone (rolling) | 1.6 |
| Mainstreet Research | September 15, 2021 | | 32.0 | 30.2 | 18.9 | 6.4 | 2.9 | 8.7 | 0.8 | ±2.3 pp | 1,753 (1/3) | IVR (rolling) | 1.8 |
| Abacus Data | September 15, 2021 | | 31 | 33 | 22 | 5 | 3 | 5 | 2 | ±2.9 pp | 1,578 | online (rolling) | 2 |
| EKOS | September 14, 2021 | | 31.8 | 31.8 | 19.1 | 6.4 | 3.3 | 6.9 | 0.7 | ±2.7 pp | 1,322 (1/3) | IVR (rolling) | 0.0 |
| Nanos Research | September 14, 2021 | | 31.2 | 30.5 | 21.4 | 6.2 | 3.7 | 6.8 | 0.3 | ±2.8 pp | 1,281 (1/3) | telephone (rolling) | 0.7 |
| Mainstreet Research | September 14, 2021 | | 31.4 | 31.4 | 17.5 | 7.0 | 3.3 | 8.7 | 0.6 | ±2.3 pp | 1,774 (1/3) | IVR (rolling) | 0.0 |
| EKOS | September 13, 2021 | | 32.2 | 31.2 | 19.4 | 6.2 | 3.1 | 7.3 | 0.6 | ±2.8 pp | 1,241 (1/3) | IVR (rolling) | 1.0 |
| Research Co. | September 13, 2021 | | 30 | 34 | 20 | 7 | 3 | 5 | 1 | ±3.1 pp | 1,000 | online | 4 |
| Nanos Research | September 13, 2021 | | 31.2 | 32.3 | 18.9 | 6.4 | 3.8 | 6.7 | 0.8 | ±2.8 pp | 1,264 (1/3) | telephone (rolling) | 1.1 |
| Mainstreet Research | September 13, 2021 | | 29.5 | 33.5 | 16.4 | 7.5 | 3.3 | 9.1 | 0.7 | ±2.3 pp | 1,732 (1/3) | IVR (rolling) | 4.0 |
| Ipsos | September 13, 2021 | | 32 | 32 | 21 | 7 | 4 | 3 | 1 | ±2.5 pp | 2,001 | online/telephone | 0 |
| Leger | September 13, 2021 | | 32 | 32 | 20 | 7 | 3 | 5 | 1 | ±2.19 pp | 2,001 | online | 0 |
| YouGov | September 13, 2021 | | 32 | 29 | 19 | 6 | 5 | 5 | 4 | ±3.4 pp | 925 | online | 3 |
| Earnscliffe/Leger | September 12, 2021 | | 32 | 32 | 20 | 7 | 4 | 5 | 1 | — | 1,549 | online | 0 |
| Innovative Research | September 12, 2021 | | 28 | 33 | 22 | 7 | 4 | 4 | 1 | — | 3,203 | online | 5 |
| EKOS | September 12, 2021 | | 31.9 | 30.3 | 20.3 | 6.0 | 3.7 | 7.0 | 0.8 | ±2.9 pp | 1,115 (1/3) | IVR (rolling) | 1.6 |
| Nanos Research | September 12, 2021 | | 30.2 | 33.2 | 18.6 | 6.8 | 3.8 | 6.6 | 0.8 | ±2.8 pp | 1,268 (1/3) | telephone (rolling) | 3.0 |
| Mainstreet Research | September 12, 2021 | | 28.6 | 33.5 | 17.1 | 7.9 | 3.7 | 8.4 | 0.9 | ±2.3 pp | 1,711 (1/3) | IVR (rolling) | 4.9 |
| Abacus Data | September 12, 2021 | | 32 | 32 | 21 | 6 | 3 | 4 | 2 | ±2.1 pp | 2,000 | online | 0 |
| Angus Reid | September 12, 2021 | | 32 | 30 | 21 | 7 | 2 | 6 | 2 | ±2.5 pp | 1,840 | online | 2 |
| Counsel | September 11, 2021 | | 30.2 | 29.7 | 21.9 | 6.5 | 4.4 | 5.6 | 1.7 | ±1.7 pp | 3,320 | online | 0.5 |
| EKOS | September 11, 2021 | | 32.8 | 31.1 | 19.0 | 4.7 | 3.9 | 7.8 | 0.7 | ±2.9 pp | 1,162 (1/3) | IVR (rolling) | 1.7 |
| Nanos Research | September 11, 2021 | | 30.7 | 34.0 | 18.6 | 6.6 | 4.1 | 5.1 | 0.9 | ±2.8 pp | 1,252 (1/3) | telephone (rolling) | 3.3 |
| Mainstreet Research | September 11, 2021 | | 29.4 | 33.4 | 17.6 | 7.4 | 3.1 | 8.1 | 1.0 | ±2.3 pp | 1,706 (1/3) | IVR (rolling) | 4.0 |
| Forum Research | September 10, 2021 | | 31 | 28 | 18 | 8 | 4 | 9 | 2 | ±3 pp | 1,579 | IVR | 3 |
| EKOS | September 10, 2021 | | 30.9 | 30.4 | 19.9 | 4.6 | 4.3 | 9.1 | 0.8 | ±2.8 pp | 1,238 (1/3) | IVR (rolling) | 0.5 |
| Nanos Research | September 10, 2021 | | 30.1 | 34.4 | 19.0 | 6.4 | 4.6 | 5.0 | 0.7 | ±2.8 pp | 1,249 (1/3) | telephone (rolling) | 4.3 |
| Mainstreet Research | September 10, 2021 | | 30.2 | 33.9 | 17.9 | 6.4 | 2.6 | 7.9 | 1.0 | ±2.3 pp | 1,751 (1/3) | IVR (rolling) | 3.7 |
| | September 9, 2021 | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate | Leaders' Debates Commission English debate |
| EKOS | September 9, 2021 | | 33.2 | 29.7 | 16.7 | 4.3 | 3.8 | 11.7 | 0.6 | ±2.7 pp | 1,303 (1/3) | IVR (rolling) | 3.5 |
| Nanos Research | September 9, 2021 | | 33.3 | 31.3 | 19.2 | 6.6 | 3.8 | 5.0 | 0.9 | ±2.8 pp | 1,269 (1/3) | telephone (rolling) | 2.0 |
| Mainstreet Research | September 9, 2021 | | 32.0 | 32.9 | 18.5 | 5.3 | 2.2 | 8.4 | 0.8 | ±2.3 pp | 1,776 (1/3) | IVR (rolling) | 0.9 |
| | September 8, 2021 | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate | Leaders' Debates Commission French debate |
| EKOS | September 8, 2021 | | 33.6 | 30.7 | 15.7 | 4.1 | 4.1 | 11.2 | 0.7 | ±2.7 pp | 1,365 (1/3) | IVR (rolling) | 2.9 |
| Nanos Research | September 8, 2021 | | 32.6 | 30.6 | 20.3 | 5.5 | 4.2 | 5.3 | 1.4 | ±2.8 pp | 1,266 (1/3) | telephone (rolling) | 2.0 |
| Mainstreet Research | September 8, 2021 | | 32.9 | 32.3 | 19.0 | 5.5 | 1.9 | 7.9 | 0.5 | ±2.3 pp | 1,768 (1/3) | IVR (rolling) | 0.6 |
| EKOS | September 7, 2021 | | 34.3 | 31.8 | 16.4 | 4.0 | 3.2 | 9.5 | 0.7 | ±2.8 pp | 1,202 (1/3) | IVR (rolling) | 2.5 |
| Mainstreet Research | September 7, 2021 | | 33.5 | 30.0 | 20.7 | 5.5 | 2.2 | 7.6 | 0.4 | ±2.3 pp | 1,755 (1/3) | IVR (rolling) | 3.5 |
| Nanos Research | September 7, 2021 | | 32.6 | 31.6 | 21.1 | 5.0 | 4.4 | 4.3 | 0.9 | ±2.8 pp | 1,288 (1/3) | telephone (rolling) | 1.0 |
| EKOS | September 6, 2021 | | 33.7 | 30.8 | 19.2 | 3.8 | 3.8 | 7.9 | 0.8 | ±3.0 pp | 1,062 (1/3) | IVR (rolling) | 2.9 |
| Mainstreet Research | September 6, 2021 | | 33.5 | 31.1 | 19.6 | 6.4 | 2.4 | 6.4 | 0.6 | ±2.3 pp | 1,794 (1/3) | IVR (rolling) | 2.4 |
| Leger | September 6, 2021 | | 33 | 33 | 21 | 6 | 3 | 3 | <1 | ±1.8 pp | 3,002 | online | 0 |
| Ipsos | September 6, 2021 | | 35 | 32 | 21 | 7 | 2 | 2 | — | ±2.9 pp | 1,500 | online | 3 |
| Angus Reid | September 6, 2021 | | 35 | 32 | 20 | 6 | 2 | 5 | 1 | ±2.5 pp | 1,709 | online | 3 |
| Abacus Data | September 6, 2021 | | 32 | 32 | 21 | 7 | 3 | 3 | 1 | ±1.9 pp | 2,875 | online | 0 |
| Earnscliffe/Leger | September 5, 2021 | | 33 | 33 | 21 | 6 | 3 | 4 | 1 | — | 1,521 | online | 0 |
| EKOS | September 5, 2021 | | 34.1 | 27.9 | 20.3 | 5.6 | 3.6 | 7.9 | 0.7 | ±3.0 pp | 1,053 (1/3) | IVR (rolling) | 6.2 |
| Nanos Research | September 5, 2021 | | 32.0 | 34.1 | 20.9 | 4.0 | 4.5 | 3.8 | 0.6 | ±2.8 pp | 1,269 (1/3) | telephone (rolling) | 2.1 |
| Mainstreet Research | September 5, 2021 | | 34.0 | 31.1 | 18.4 | 6.2 | 2.6 | 6.7 | 0.9 | ±2.3 pp | 1,857 (1/3) | IVR (rolling) | 2.9 |
| EKOS | September 4, 2021 | | 34.5 | 28.1 | 20.5 | 4.8 | 4.4 | 6.9 | 0.8 | ±2.9 pp | 1,158 (1/3) | IVR (rolling) | 6.4 |
| Nanos Research | September 4, 2021 | | 34.9 | 33.4 | 18.9 | 4.8 | 4.2 | 3.5 | 0.4 | ±2.8 pp | 1,248 (1/3) | telephone (rolling) | 1.5 |
| Mainstreet Research | September 4, 2021 | | 34.6 | 31.8 | 17.5 | 6.3 | 2.3 | 6.3 | 1.3 | ±2.3 pp | 1,842 (1/3) | IVR (rolling) | 2.8 |
| Abacus Data | September 4, 2021 | | 33 | 32 | 21 | 7 | 3 | 3 | 1 | ±1.9 pp | 2,692 | online | 1 |
| EKOS | September 3, 2021 | | 35.0 | 28.8 | 19.6 | 4.9 | 4.6 | 6.3 | 0.8 | ±2.8 pp | 1,274 (1/3) | IVR (rolling) | 6.2 |
| Nanos Research | September 3, 2021 | | 35.5 | 33.0 | 18.7 | 4.1 | 4.4 | 3.9 | 0.4 | ±2.8 pp | 1,214 (1/3) | telephone (rolling) | 2.5 |
| Mainstreet Research | September 3, 2021 | | 34.3 | 32.1 | 18.2 | 5.6 | 2.2 | 6.5 | 1.2 | ±2.3 pp | 1,820 (1/3) | IVR (rolling) | 2.2 |
| | September 2, 2021 | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate | TVA French leaders' debate |
| EKOS | September 2, 2021 | | 35.8 | 29.5 | 19.4 | 3.9 | 4.5 | 5.8 | 0.9 | ±2.9 pp | 1,161 (1/3) | IVR (rolling) | 6.3 |
| Nanos Research | September 2, 2021 | | 35.7 | 30.7 | 18.3 | 5.5 | 4.5 | 4.8 | 0.5 | ±2.8 pp | 1,233 (1/3) | telephone (rolling) | 5.0 |
| Mainstreet Research | September 2, 2021 | | 35.9 | 30.7 | 18.8 | 5.1 | 2.4 | 5.9 | 1.3 | ±2.3 pp | 1,792 (1/3) | IVR (rolling) | 5.2 |
| EKOS | September 1, 2021 | | 35.5 | 30.7 | 18.8 | 4.7 | 3.7 | 5.8 | 0.8 | ±2.9 pp | 1,152 (1/3) | IVR (rolling) | 4.8 |
| Nanos Research | September 1, 2021 | | 34.2 | 30.5 | 20.1 | 6.0 | 4.0 | 4.8 | 0.3 | ±2.8 pp | 1,270 (1/3) | telephone (rolling) | 3.7 |
| Mainstreet Research | September 1, 2021 | | 36.0 | 30.9 | 18.7 | 4.8 | 2.6 | 5.8 | 1.3 | ±2.3 pp | 1,757 (1/3) | IVR (rolling) | 5.1 |
| Campaign Research | September 1, 2021 | | 33 | 30 | 22 | 6 | 4 | 4 | 1 | ±2 pp | 3,011 | online | 3 |
| EKOS | August 31, 2021 | | 36.0 | 30.7 | 18.9 | 5.3 | 3.2 | 5.2 | 0.7 | ±2.9 pp | 1,122 (1/3) | IVR (rolling) | 5.3 |
| Nanos Research | August 31, 2021 | | 33.7 | 31.0 | 20.3 | 6.8 | 3.5 | 4.1 | 0.6 | ±2.8 pp | 1,275 (1/3) | telephone (rolling) | 2.7 |
| Mainstreet Research | August 31, 2021 | | 37.1 | 29.2 | 19.1 | 4.7 | 2.8 | 5.7 | 1.3 | ±2.3 pp | 1,703 (1/3) | IVR (rolling) | 7.9 |
| EKOS | August 30, 2021 | | 35.9 | 31.3 | 18.0 | 5.8 | 3.2 | 5.0 | 0.7 | ±3.2 pp | 942 (1/3) | IVR (rolling) | 4.6 |
| Research Co. | August 30, 2021 | | 32 | 33 | 22 | 6 | 4 | 3 | <1 | ±3.1 pp | 1,000 | online | 1 |
| Nanos Research | August 30, 2021 | | 32.5 | 33.2 | 19.2 | 6.4 | 4.6 | 3.3 | 0.7 | ±2.8 pp | 1,308 (1/3) | telephone (rolling) | 0.7 |
| Mainstreet Research | August 30, 2021 | | 36.9 | 29.2 | 18.8 | 5.7 | 2.7 | 5.7 | 1.0 | ±2.3 pp | 1,763 (1/3) | IVR (rolling) | 7.7 |
| Ipsos | August 30, 2021 | | 32 | 31 | 23 | 7 | 4 | 1 | 2 | ±2.9 pp | 1,501 | online | 1 |
| Leger | August 30, 2021 | | 34 | 30 | 24 | 7 | 2 | 3 | 1 | ±2.18 pp | 2,005 | online | 4 |
| Innovative Research | August 30, 2021 | | 29 | 32 | 23 | 8 | 4 | 4 | 1 | — | 2,806 | online | 3 |
| Earnscliffe/Leger | August 29, 2021 | | 34 | 30 | 24 | 7 | 3 | 2 | 1 | — | 1,544 | online | 4 |
| Angus Reid | August 29, 2021 | | 33 | 30 | 21 | 7 | 3 | 4 | 2 | ±2.5 pp | 1,639 | online | 3 |
| Nanos Research | August 29, 2021 | | 32.7 | 31.3 | 20.0 | 5.8 | 5.9 | 3.6 | 0.6 | ±2.8 pp | 1,267 (1/3) | telephone (rolling) | 1.4 |
| Mainstreet Research | August 29, 2021 | | 37.6 | 28.5 | 19.3 | 6.3 | 2.5 | 5.1 | 0.6 | ±2.3 pp | 1,767 (1/3) | IVR (rolling) | 9.1 |
| EKOS | August 29, 2021 | | 36.8 | 29.4 | 19.3 | 5.6 | 3.2 | 5.0 | 0.7 | ±2.8 pp | 1,232 (1/4) | IVR (rolling) | 7.4 |
| Abacus Data | August 29, 2021 | | 32 | 33 | 22 | 8 | 2 | 3 | 1 | ±2.2 pp | 2,000 | online | 1 |
| Nanos Research | August 28, 2021 | | 33.2 | 31.1 | 19.9 | 5.5 | 5.7 | 4.2 | 0.4 | ±2.8 pp | 1,248 (1/3) | telephone (rolling) | 2.1 |
| Mainstreet Research | August 28, 2021 | | 37.8 | 28.3 | 19.4 | 6.9 | 2.2 | 4.9 | 0.5 | ±2.3 pp | 1,759 (1/3) | IVR (rolling) | 9.5 |
| EKOS | August 28, 2021 | | 36.7 | 29.1 | 17.7 | 5.5 | 3.7 | 6.5 | 0.7 | ±2.9 pp | 1,166 (1/4) | IVR (rolling) | 7.6 |
| Nanos Research | August 27, 2021 | | 33.3 | 30.8 | 21.7 | 5.3 | 4.9 | 3.8 | 0.3 | ±2.8 pp | 1,243 (1/3) | telephone (rolling) | 2.5 |
| Mainstreet Research | August 27, 2021 | | 37.4 | 29.3 | 19.6 | 6.2 | 2.4 | 4.5 | 0.6 | ±2.38 pp | 1,684 (1/3) | IVR (rolling) | 8.1 |
| EKOS | August 27, 2021 | | 34.8 | 28.5 | 19.8 | 5.5 | 3.8 | 6.8 | 0.8 | ±2.6 pp | 1,426 (1/4) | IVR (rolling) | 6.3 |
| Nanos Research | August 26, 2021 | | 33.6 | 33.4 | 19.9 | 5.3 | 4.6 | 3.1 | 0.2 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 0.2 |
| Mainstreet Research | August 26, 2021 | | 36.8 | 31.4 | 18.5 | 5.4 | 2.6 | 4.3 | 1.0 | ±2.43 pp | 1,619 (1/3) | IVR (rolling) | 5.4 |
| EKOS | August 26, 2021 | | 34.5 | 29.0 | 20.3 | 5.1 | 4.2 | 6.3 | 0.6 | ±2.6 pp | 1,424 (1/4) | IVR (rolling) | 5.5 |
| Nanos Research | August 25, 2021 | | 34.4 | 33.6 | 18.9 | 5.3 | 4.3 | 3.1 | 0.3 | ±2.8 pp | 1,288 (1/3) | telephone (rolling) | 0.8 |
| Mainstreet Research | August 25, 2021 | | 34.7 | 31.8 | 19.1 | 5.4 | 3.1 | 4.6 | 1.3 | ±2.6 pp | 1,549 (1/3) | IVR (rolling) | 2.9 |
| EKOS | August 25, 2021 | | 32.8 | 29.4 | 20.7 | 6.0 | 3.8 | 6.7 | 0.7 | ±2.7 pp | 1,352 (1/4) | IVR (rolling) | 3.4 |
| Nanos Research | August 24, 2021 | | 32.7 | 35.9 | 16.8 | 5.6 | 4.8 | 3.7 | 0.5 | ±2.8 pp | 1,261 (1/3) | telephone (rolling) | 3.2 |
| Mainstreet Research | August 24, 2021 | | 33.7 | 31.2 | 19.0 | 6.0 | 3.1 | 5.8 | 1.2 | ±2.6 pp | 1,417 (1/3) | IVR (rolling) | 2.5 |
| EKOS | August 24, 2021 | | 32.2 | 31.4 | 20.5 | 5.7 | 3.5 | 5.7 | 0.9 | ±2.8 pp | 1,233 (1/4) | IVR (rolling) | 0.8 |
| Nanos Research | August 23, 2021 | | 33.2 | 33.5 | 18.9 | 5.4 | 4.7 | 3.6 | 0.7 | ±2.8 pp | 1,205 (1/3) | telephone (rolling) | 0.3 |
| Mainstreet Research | August 23, 2021 | | 32.3 | 30.0 | 19.0 | 7.0 | 3.3 | 7.4 | 0.9 | ±2.6 pp | 1,369 (1/3) | IVR (rolling) | 2.3 |
| EKOS | August 23, 2021 | | 32.8 | 32.0 | 19.6 | 6.2 | 3.5 | 5.0 | 0.8 | ±2.8 pp | 1,192 (1/4) | IVR (rolling) | 0.8 |
| Ipsos | August 23, 2021 | | 32 | 33 | 21 | 6 | 5 | 2 | 1 | ±3.5 pp | 1,500 | online | 1 |
| Angus Reid | August 23, 2021 | | 31 | 33 | 22 | 7 | 3 | 3 | 1 | ±2.5 pp | 1,692 | online | 2 |
| Earnscliffe/Leger | August 22, 2021 | | 30 | 33 | 21 | 7 | 4 | 3 | 1 | — | 1,527 | online | 3 |
| Leger | August 22, 2021 | | 31 | 33 | 21 | 7 | 4 | 3 | 1 | ±2.2 pp | 2,002 | online | 2 |
| Nanos Research | August 22, 2021 | | 31.4 | 32.5 | 20.8 | 6.1 | 5.1 | 3.3 | 0.8 | ±2.8 pp | 1,200 (1/3) | telephone (rolling) | 1.1 |
| Mainstreet Research | August 22, 2021 | | 31.7 | 32.4 | 18.2 | 5.9 | 3.3 | 6.6 | 1.0 | ±2.6 pp | 1,467 (1/3) | IVR (rolling) | 0.7 |
| EKOS | August 22, 2021 | | 31.7 | 32.9 | 17.0 | 6.9 | 4.3 | 6.3 | 0.9 | ±2.8 pp | 1,207 (1/4) | IVR (rolling) | 1.2 |
| Abacus Data | August 22, 2021 | | 29 | 33 | 23 | 6 | 3 | 4 | 2 | ±2.2 pp | 2,000 | online | 4 |
| Nanos Research | August 21, 2021 | | 32.4 | 34.3 | 19.3 | 6.3 | 4.5 | 2.4 | 0.8 | ±2.8 pp | 1,209 (1/3) | telephone (rolling) | 1.9 |
| Mainstreet Research | August 21, 2021 | | 30.9 | 34.0 | 19.7 | 5.9 | 3.4 | 5.1 | 1.0 | ±2.6 pp | 1,425 (1/3) | IVR (rolling) | 3.1 |
| EKOS | August 21, 2021 | | 32.8 | 32.4 | 16.6 | 6.1 | 5.2 | 6.1 | 0.8 | ±2.7 pp | 1,293 (1/4) | IVR (rolling) | 0.4 |
| Nanos Research | August 20, 2021 | | 32.3 | 34.2 | 20.2 | 6.1 | 4.3 | 2.1 | 0.9 | ±2.8 pp | 1,200 | telephone (rolling) | 1.9 |
| EKOS | August 20, 2021 | | 32.9 | 31.4 | 18.3 | 6.2 | 4.9 | 5.7 | 0.6 | ±2.6 pp | 1,444 (1/4) | IVR (rolling) | 1.5 |
| Mainstreet Research | August 20, 2021 | | 32.6 | 33.9 | 19.3 | 4.9 | 3.7 | 4.4 | 1.3 | ±2.6 pp | 1,449 (1/4) | IVR (rolling) | 1.3 |
| EKOS | August 19, 2021 | | 31.9 | 32.5 | 19.2 | 5.7 | 4.9 | 5.2 | 0.7 | ±2.6 pp | 1,426 (1/4) | IVR (rolling) | 0.6 |
| Mainstreet Research | August 19, 2021 | | 33.1 | 33.4 | 19.8 | 5.0 | 3.6 | 4.0 | 1.1 | ±2.6 pp | 1,433 (1/4) | IVR (rolling) | 0.3 |
| Counsel | August 18, 2021 | | 28.5 | 30.3 | 21.7 | 7.8 | 4.8 | 4.3 | 2.6 | ±1.7 pp | 3,499 | online | 1.8 |
| EKOS | August 18, 2021 | | 32.0 | 33.3 | 20.1 | 5.5 | 4.5 | 3.9 | 0.7 | ±2.7 pp | 1,281 (1/4) | IVR (rolling) | 1.3 |
| Mainstreet Research | August 18, 2021 | Twitter | 33.0 | 33.6 | 18.4 | 5.5 | 4.0 | 4.5 | 1.1 | ±2.59 pp | 1,571 (1/4) | IVR (rolling) | 0.6 |
| EKOS | August 17, 2021 | | 30.6 | 34.3 | 21.0 | 5.4 | 4.2 | 3.7 | 0.8 | ±3.2 pp | 913 (1/3) | IVR (rolling) | 3.7 |
| Mainstreet Research | August 17, 2021 | Twitter | 31.7 | 33.8 | 18.9 | 6.1 | 3.9 | 4.5 | 1.1 | ±2.7 pp | 1,385 (1/3) | IVR (rolling) | 2.1 |
| Angus Reid | August 17, 2021 | | 30 | 36 | 20 | 6 | 4 | 4 | 1 | ±2.5 pp | 1,614 | online | 6 |
| EKOS | August 16, 2021 | | 29.4 | 33.7 | 20.5 | 5.4 | 5.7 | 4.2 | 1.1 | ±3.4 pp | 840 (1/3) | IVR (rolling) | 4.3 |
| Mainstreet Research | August 16, 2021 | Twitter | 30 | 33 | 20 | 6 | 4 | 5 | — | ±2.7 pp | 1,372 (1/3) | IVR (rolling) | 3 |
| Ipsos | August 16, 2021 | | 31 | 36 | 20 | 6 | 5 | 1 | 1 | ±2.5 pp | 2,001 | online/telephone | 5 |
| Innovative Research | August 16, 2021 | | 26 | 38 | 21 | 6 | 4 | 3 | 1 | — | 1,412 | online | 12 |
| Abacus Data | August 16, 2021 | | 28 | 33 | 22 | 7 | 5 | 3 | 1 | ±2.6 pp | 1,500 | online | 5 |
| Forum Research | August 15, 2021 | | 31 | 28 | 19 | 7 | 8 | 5 | 3 | ±3 pp | 1,203 | IVR | 3 |
| Earnscliffe/Leger | August 15, 2021 | | 29 | 35 | 20 | 7 | 6 | 2 | 2 | — | 1,515 | online | 6 |
| EKOS | August 15, 2021 | | 30.3 | 34.8 | 17.4 | 4.2 | 6.9 | 5.1 | 1.2 | ±3.4 pp | 856 | IVR (rolling) | 4.5 |
| Leger | August 15, 2021 | | 30 | 35 | 20 | 7 | 5 | 2 | 1 | ±2.18 pp | 2,007 | online | 5 |
| Mainstreet Research | August 15, 2021 | | 30.1 | 33.1 | 19.1 | 5.9 | 3.9 | 5.6 | 2.2 | ±2.7 pp | 1,331 | IVR (rolling) | 3.0 |
| Polling firm | Last date of polling | Link | | | | | | | Others | Margin of error | Sample size | Polling method | Lead |
| Polling firm | Last date of polling | Link | CPC | LPC | NDP | BQ | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |

### Pre-campaign period

| Polling firm | Last date of polling | Link | CPC | LPC | NDP | BQ | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Nanos Research | August 13, 2021 | | 28.4 | 33.4 | 20.7 | 6.3 | 7.9 | 1.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.0 |
| Leger | August 12, 2021 | | 30 | 35 | 19 | 7 | 5 | 3 | 1 | ±2.4 pp | 1,615 | online | 5 |
| Mainstreet Research | August 11, 2021 | | 29.2 | 34.6 | 17.9 | 5.7 | 5.3 | — | 7.3 | ±3.3 pp | 909 | IVR | 5.4 |
| Innovative Research | August 11, 2021 | | 25 | 40 | 17 | 7 | 6 | — | 5 | — | 1,282 | online | 15 |
| Abacus Data | August 11, 2021 | | 28 | 37 | 20 | 5 | 5 | 4 | 2 | ±1.8 pp | 3,000 | online | 9 |
| Angus Reid | August 10, 2021 | | 31 | 36 | 19 | 7 | 3 | — | 5 | ±2 pp | 1,615 | online | 5 |
| EKOS | August 10, 2021 | | 27.7 | 36.3 | 18.6 | 5.3 | 6.8 | 4.6 | 0.7 | ±2.6 pp | 1,482 | IVR | 8.6 |
| Nanos Research | August 6, 2021 | | 27.3 | 37.0 | 19.0 | 5.8 | 7.0 | 2.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.7 |
| Innovative Research | August 4, 2021 | | 25 | 39 | 19 | 7 | 6 | 3 | 1 | — | 1,953 | online | 14 |
| Angus Reid | August 3, 2021 | | 30 | 35 | 19 | 7 | 3 | — | 6 | ±2.5 pp | 1,605 | online | 5 |
| Abacus Data | August 2, 2021 | | 25 | 37 | 20 | 8 | 6 | — | — | ±2.2 pp | 2,000 | online | 12 |
| Leger | August 1, 2021 | | 29 | 36 | 20 | 7 | 4 | 3 | 2 | ±2.15 pp | 2,079 | online | 7 |
| Nanos Research | July 30, 2021 | | 25.5 | 38.8 | 19.5 | 5.9 | 6.4 | 2.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.3 |
| EKOS | July 28, 2021 | | 28.6 | 39.0 | 17.9 | — | 4.2 | — | — | ±3 pp | 1,067 | IVR | 10.4 |
| Angus Reid | July 27, 2021 | | 30 | 33 | 21 | 7 | 4 | — | 5 | ±2 pp | 1,606 | online | 3 |
| Mainstreet Research | July 26, 2021 | | 31.7 | 34.4 | 16.2 | 5.1 | 4.7 | — | 7.9 | ±2.7 pp | 1,299 | IVR | 2.7 |
| Nanos Research | July 23, 2021 | | 25.0 | 37.3 | 21.4 | 6.0 | 5.5 | 3.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.3 |
| Innovative Research | July 21, 2021 | | 27 | 41 | 17 | 6 | 5 | 3 | 1 | — | 834 | online | 14 |
| EKOS | July 21, 2021 | | 27.7 | 35.2 | 18.5 | 5.6 | 5.2 | 4.5 | 3.2 | ±2.2 pp | 1,934 | IVR | 7.5 |
| Ipsos | July 20, 2021 | | 30 | 36 | 20 | 7 | 3 | 2 | 2 | ±3.5 pp | 1,000 | online | 6 |
| Angus Reid | July 16, 2021 | | 31 | 33 | 20 | 7 | 3 | 4 | 2 | ±2.0 pp | 1,625 | online | 2 |
| Nanos Research | July 16, 2021 | | 23.6 | 39.3 | 21.7 | 4.8 | 6.8 | 3.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 15.7 |
| Nanos Research | July 9, 2021 | | 23.9 | 37.8 | 21.3 | — | 6.5 | — | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.9 |
| Leger | July 4, 2021 | | 30 | 33 | 19 | 7 | 5 | 4 | 2 | ±2.52 pp | 1,518 | online | 3 |
| Nanos Research | July 2, 2021 | | 23.6 | 38.1 | 20.4 | 5.1 | 7.5 | 4.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.5 |
| Abacus Data | June 30, 2021 | | 25 | 37 | 20 | 7 | 6 | 3 | 1 | ±2.6 pp | 1,500 | online | 12 |
| Nanos Research | June 25, 2021 | | 24.7 | 37.1 | 19.3 | 5.8 | 7.9 | 4.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.4 |
| Ipsos | June 22, 2021 | | 26 | 38 | 20 | 8 | 7 | 1 | 1 | ±2.9 pp | 1,501 | online/telephone | 12 |
| Abacus Data | June 21, 2021 | | 27 | 37 | 18 | 9 | 5 | 3 | 1 | ±2.2 pp | 2,070 | online | 10 |
| Leger | June 20, 2021 | | 30 | 34 | 20 | 8 | 5 | — | 4 | ±2.49 pp | 1,542 | online | 4 |
| Nanos Research | June 18, 2021 | | 25.4 | 37.4 | 18.2 | 7.0 | 6.5 | 4.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.0 |
| Abacus Data | June 16, 2021 | | 29 | 34 | 21 | 8 | 6 | 1 | 1 | ±2.6 pp | 1,500 | online | 5 |
| Research Co. | June 14, 2021 | | 30 | 38 | 20 | 5 | 5 | 1 | 1 | ±3.1 pp | 1,000 | online | 8 |
| Mainstreet Research | June 14, 2021 | | 27.3 | 37.7 | 17.2 | 5.0 | 5.9 | — | 6.9 | ±2.7 pp | 1,291 | IVR | 10.4 |
| EKOS | June 14, 2021 | | 26.2 | 35.0 | 17.3 | 6.6 | 8.3 | 3.9 | 2.7 | ±2.6 pp | 1,412 | IVR | 8.8 |
| Nanos Research | June 11, 2021 | | 26.4 | 37.5 | 17.5 | 7.4 | 7.0 | 3.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.1 |
| Innovative Research | June 8, 2021 | | 26 | 37 | 17 | 7 | 8 | — | 5 | — | 1,043 | online | 11 |
| Angus Reid | June 7, 2021 | | 30 | 33 | 21 | 6 | 4 | — | 5 | ±2.0 pp | 4,948 | online | 3 |
| Leger | June 6, 2021 | | 29 | 32 | 22 | 6 | 6 | — | 5 | ±2.5 pp | 1,539 | online | 3 |
| Counsel | June 4, 2021 | | 27.6 | 31.9 | 17.9 | 7.7 | 6.9 | 4.2 | 3.7 | ±1.7 pp | 3,175 | online | 4.3 |
| Nanos Research | June 4, 2021 | | 27.3 | 38.0 | 17.1 | 6.6 | 6.1 | 3.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.7 |
| Innovative Research | May 31, 2021 | | 27 | 38 | 15 | 8 | 8 | 4 | 1 | — | 2,579 | online | 11 |
| Abacus Data | May 28, 2021 | | 31 | 34 | 17 | 7 | 7 | 2 | 2 | ±2.1 pp | 2,000 | online | 3 |
| Nanos Research | May 28, 2021 | | 27.3 | 38.2 | 17.0 | 7.7 | 6.1 | 3.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.9 |
| EKOS | May 27, 2021 | Twitter | 27.8 | 35.4 | 17.9 | 5.6 | 7.0 | 4.0 | 3.0 | ±1.7 pp | 1,948 | IVR | 7.6 |
| Leger | May 23, 2021 | | 30 | 34 | 19 | 7 | 7 | — | 3 | ±2.43 pp | 1,624 | online | 4 |
| Mainstreet Research | May 23, 2021 | | 31.4 | 37.2 | 13.3 | 5.2 | 6.9 | — | 6.0 | ±2.7 pp | 1,332 | IVR | 5.8 |
| Nanos Research | May 21, 2021 | | 28.7 | 36.9 | 16.1 | 7.2 | 7.0 | 3.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.2 |
| Angus Reid | May 17, 2021 | | 32 | 34 | 18 | 7 | 5 | — | 4 | ±2.5 pp | 1,601 | online | 2 |
| Leger | May 16, 2021 | | 31 | 32 | 19 | 7 | 8 | — | 2 | ±2.5 pp | 1,516 | online | 1 |
| Ipsos | May 14, 2021 | | 29 | 38 | 21 | 6 | 5 | 1 | 1 | ±3.5 pp | 1,001 | online | 9 |
| Nanos Research | May 14, 2021 | | 28.4 | 36.9 | 16.7 | 7.5 | 6.3 | 3.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.5 |
| Abacus Data | May 12, 2021 | | 32 | 34 | 17 | 6 | 7 | 3 | 1 | ±2.6 pp | 1,500 | online | 2 |
| Leger | May 9, 2021 | | 30 | 33 | 19 | 7 | 7 | — | 4 | ±2.51 pp | 1,529 | online | 3 |
| Nanos Research | May 7, 2021 | | 29.5 | 35.2 | 16.6 | 8.5 | 6.8 | 2.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.7 |
| EKOS | May 6, 2021 | | 26.1 | 36.0 | 19.7 | 4.0 | 7.1 | 4.9 | 2.2 | ±2.3 pp | 1,808 | IVR | 9.9 |
| Innovative Research | May 5, 2021 | | 27 | 40 | 18 | 4 | 7 | 3 | 1 | — | 2,738 | online | 13 |
| Nanos Research | April 30, 2021 | | 31.1 | 35.2 | 16.5 | 7.3 | 7.2 | 2.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.1 |
| EKOS | April 28, 2021 | | 29.7 | 34.6 | 16.9 | — | 7.4 | — | — | ±1.8 pp | 2,902 | IVR | 4.9 |
| Leger | April 25, 2021 | | 28 | 34 | 20 | 7 | 7 | — | 4 | ±2.48 pp | 1,548 | online | 6 |
| Angus Reid | April 25, 2021 | | 32 | 34 | 20 | 7 | 5 | — | 5 | ±2.2 pp | 2,008 | online | 2 |
| Abacus Data | April 25, 2021 | | 29 | 36 | 17 | 7 | 7 | 2 | 1 | ±2.1 pp | 2,201 | online | 7 |
| Nanos Research | April 23, 2021 | | 28.8 | 36.3 | 18.1 | 7.2 | 7.2 | 1.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.5 |
| Leger | April 21, 2021 | | 30 | 35 | 19 | 6 | 6 | — | 5 | ±2.5 pp | 1,504 | online | 5 |
| Ipsos | April 21, 2021 | | 27 | 38 | 19 | 7 | 7 | — | 1 | ±3.5 pp | 1,000 | online | 11 |
| Abacus Data | April 21, 2021 | Twitter | 28 | 39 | 16 | 7 | 7 | — | — | — | 1,900 | online | 11 |
| Mainstreet Research | April 18, 2021 | | 29.6 | 36.8 | 14.9 | 5.8 | 6.6 | — | 6.2 | ±2.7 pp | 1,246 | IVR | 7.2 |
| Nanos Research | April 16, 2021 | | 29.0 | 36.1 | 18.5 | 6.8 | 7.4 | 1.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.1 |
| Abacus Data | April 14, 2021 | | 29 | 37 | 19 | 6 | 6 | 2 | 2 | ±2.1 pp | 1,981 | online | 8 |
| Innovative Research | April 13, 2021 | | 27 | 39 | 17 | 4 | 8 | 4 | 1 | — | 2,390 | online | 12 |
| Stratcom | April 13, 2021 | | 30.2 | 33.1 | 15.9 | 6.4 | 7.4 | — | 7.1 | ±1.8 pp | 6,537 | IVR | 2.9 |
| Leger | April 11, 2021 | | 30 | 35 | 18 | 7 | 7 | — | 3 | ±2.53 pp | 1,504 | online | 5 |
| Ipsos | April 9, 2021 | | 30 | 40 | 13 | 9 | 5 | — | 3 | ±3.5 pp | 1,001 | online | 10 |
| Nanos Research | April 9, 2021 | | 29.2 | 37.6 | 18.9 | 5.9 | 7.0 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.4 |
| Campaign Research | April 8, 2021 | | 33 | 34 | 17 | 7 | 7 | — | 2 | ±2 pp | 2,880 | online | 1 |
| EKOS | April 6, 2021 | | 30.4 | 32.0 | 16.3 | — | 8.3 | — | — | ±2.3 pp | 1,734 | IVR | 1.6 |
| Nanos Research | April 2, 2021 | | 27.0 | 39.2 | 18.0 | 5.6 | 8.0 | 1.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.2 |
| Abacus Data | March 30, 2021 | | 30 | 38 | 17 | 7 | 6 | 1 | 1 | ±2.1 pp | 2,000 | online | 8 |
| Leger | March 28, 2021 | | 28 | 35 | 22 | 7 | 6 | — | 2 | ±2.51 pp | 1,523 | online | 7 |
| Nanos Research | March 26, 2021 | | 27.4 | 38.7 | 17.4 | 5.8 | 7.9 | 2.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.3 |
| Mainstreet Research | March 22, 2021 | | 34 | 37 | 10 | 8 | 6 | — | 5 | ±2.23 pp | 1,939 | IVR | 3 |
| Nanos Research | March 19, 2021 | | 27.7 | 38.0 | 17.0 | 5.9 | 8.0 | 2.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.3 |
| Abacus Data | March 17, 2021 | | 29 | 33 | 19 | 7 | 8 | 3 | 1 | ±2.1 pp | 2,000 | online | 4 |
| Research Co. | March 15, 2021 | | 28 | 37 | 20 | 7 | 6 | 1 | 1 | ±3.1 pp | 1,000 | online | 9 |
| Leger | March 14, 2021 | | 31 | 36 | 19 | 6 | 5 | — | 4 | ±2.52 pp | 1,512 | online | 5 |
| Nanos Research | March 12, 2021 | | 27.6 | 36.7 | 17.0 | 5.6 | 8.5 | 3.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.1 |
| Abacus Data | March 5, 2021 | | 30 | 34 | 18 | 8 | 7 | 2 | 1 | ±2.1 pp | 2,000 | online | 4 |
| Nanos Research | March 5, 2021 | | 29.7 | 34.8 | 16.9 | 6.2 | 7.4 | 4.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.1 |
| Ipsos | March 3, 2021 | | 28 | 35 | 16 | 7 | 10 | 1 | 2 | ±3.5 pp | 1,000 | online | 7 |
| Angus Reid | March 3, 2021 | | 31 | 35 | 19 | 6 | 4 | 2 | 3 | ±1.4 pp | 5,004 | online | 4 |
| Leger | February 28, 2021 | | 28 | 35 | 23 | 7 | 6 | — | 2 | ±2.50 pp | 1,532 | online | 7 |
| Nanos Research | February 26, 2021 | | 29.4 | 35.0 | 16.5 | 6.2 | 7.2 | 4.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.6 |
| Mainstreet Research | February 24, 2021 | | 31 | 36 | 15 | 6 | 7 | — | 5 | ±2.55 pp | 1,476 | IVR | 5 |
| Angus Reid | February 19, 2021 | | 31 | 34 | 20 | 7 | 5 | 2 | 2 | ±2.2 pp | 1,987 | online | 3 |
| Nanos Research | February 19, 2021 | | 29.0 | 35.2 | 16.8 | 6.8 | 7.2 | 4.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.2 |
| EKOS | February 16, 2021 | | 31.4 | 32.9 | 14.9 | — | 8.6 | — | — | ±2.43 pp | 1,623 | IVR | 1.5 |
| Leger | February 14, 2021 | | 29 | 36 | 20 | 6 | 7 | — | 3 | ±2.50 pp | 1,535 | online | 7 |
| Nanos Research | February 12, 2021 | | 30.3 | 34.2 | 17.0 | 7.5 | 6.7 | 3.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.9 |
| Ipsos | February 10, 2021 | | 30 | 33 | 20 | 8 | 8 | — | 2 | ±3.5 pp | 1,000 | online | 3 |
| Nanos Research | February 5, 2021 | | 28.9 | 35.9 | 16.4 | 7.4 | 7.4 | 3.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.0 |
| EKOS | February 3, 2021 | | 28.1 | 36.5 | 14.5 | — | 9.3 | — | — | ±4.1 pp | 548 | online | 8.4 |
| Abacus Data | February 3, 2021 | | 31 | 32 | 18 | 8 | 7 | 2 | 1 | ±1.6 pp | 3,930 | online | 1 |
| Innovative Research | February 1, 2021 | | 28 | 38 | 15 | 7 | 8 | — | 4 | — | 4,449 | online | 10 |
| Leger | January 31, 2021 | | 28 | 37 | 22 | 7 | 5 | — | 2 | ±2.48 pp | 1,559 | online | 9 |
| Campaign Research | January 30, 2021 | | 30 | 34 | 19 | 6 | 8 | — | 3 | ±2 pp | 2,413 | online | 4 |
| Nanos Research | January 29, 2021 | | 30.3 | 35.0 | 15.5 | 8.5 | 7.4 | 2.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.7 |
| EKOS | January 27, 2021 | | 30.9 | 34.3 | 15.0 | 5.7 | 7.7 | 3.7 | 2.7 | ±0.8 pp | 8,575 | IVR (rolling) | 3.4 |
| Angus Reid | January 24, 2021 | | 30 | 35 | 20 | 6 | 5 | 1 | 3 | ±2.5 pp | 1,559 | online | 5 |
| Nanos Research | January 22, 2021 | | 28.8 | 36.3 | 15.9 | 8.1 | 7.8 | 2.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.5 |
| Mainstreet Research | January 20, 2021 | | 31.9 | 39.3 | 14.4 | 5.2 | 5.2 | 2.4 | 1.6 | ±1.8 pp | 3,132 | IVR | 7.4 |
| Leger | January 17, 2021 | | 29 | 36 | 21 | 7 | 6 | — | 2 | ±2.53 pp | 1,516 | online | 7 |
| Nanos Research | January 15, 2021 | | 27.4 | 38.7 | 15.7 | 8.0 | 7.5 | 2.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.3 |
| Abacus Data | January 12, 2021 | | 31 | 35 | 17 | 8 | 6 | 1 | 1 | ±2.2 pp | 2,000 | online | 4 |
| EKOS | January 12, 2021 | | 31.3 | 34.5 | 15.0 | — | 7.6 | — | — | ±1.36 pp | 5,155 | IVR | 3.2 |
| Nanos Research | January 8, 2021 | | 27.3 | 40.2 | 16.5 | 6.7 | 7.4 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.9 |
| Ipsos | January 6, 2021 | | 29 | 36 | 19 | 6 | 8 | — | 2 | ±3.5 pp | 1,000 | online | 7 |
| Leger | January 3, 2021 | | 30 | 35 | 20 | 7 | 6 | — | 2 | ±2.53 pp | 1,506 | online | 5 |
| Nanos Research | January 1, 2021 | | 25.8 | 40.4 | 18.2 | 6.4 | 7.3 | 1.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 14.6 |
| Nanos Research | December 25, 2020 | | 26.8 | 39.9 | 18.0 | 6.5 | 6.9 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 13.1 |
| Pollara | December 23, 2020 | | 29 | 38 | 18 | 7 | 6 | — | — | ±2.8 pp | 1,200 | online | 9 |
| Abacus Data | December 18, 2020 | | 32 | 35 | 17 | 7 | 7 | — | — | ±2.1 pp | 2,200 | online | 3 |
| Nanos Research | December 18, 2020 | | 26.2 | 38.1 | 20.0 | 6.3 | 7.0 | 1.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Mainstreet Research | December 17, 2020 | | 33.2 | 37.9 | 13.1 | 4.9 | 6.7 | 2.3 | 1.9 | ±2.7 pp | 1,286 | IVR | 4.7 |
| Research Co. | December 14, 2020 | | 31 | 37 | 20 | 7 | 3 | 1 | 1 | ±3.1 pp | 1,000 | online | 6 |
| Ipsos | December 14, 2020 | | 32 | 35 | 18 | 7 | 7 | — | 1 | ±3.5 pp | 1,000 | online | 3 |
| Leger | December 13, 2020 | | 29 | 35 | 23 | 7 | 5 | — | 2 | ±2.50 pp | 1,528 | online | 6 |
| Nanos Research | December 11, 2020 | | 26.4 | 36.8 | 21.1 | 7.0 | 6.3 | 1.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.4 |
| Nanos Research | December 4, 2020 | | 26.6 | 36.0 | 20.0 | 7.0 | 7.9 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.4 |
| Campaign Research | December 3, 2020 | | 32 | 35 | 19 | 5 | 6 | — | — | — | 1,956 | online | 3 |
| EKOS | December 2, 2020 | | 30.2 | 36.3 | 14.6 | — | 8.8 | — | — | ±1.71 pp | 3,269 | IVR | 6.1 |
| Angus Reid | November 30, 2020 | | 33 | 34 | 19 | 6 | 4 | 1 | 2 | ±1.4 pp | 5,003 | online | 1 |
| Leger | November 29, 2020 | | 30 | 34 | 20 | 7 | 7 | — | 2 | ±2.51 pp | 1,516 | online | 4 |
| Nanos Research | November 27, 2020 | | 26.5 | 35.7 | 19.9 | 6.0 | 9.4 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.2 |
| Mainstreet Research | November 26, 2020 | | 31.7 | 39.0 | 12.3 | 5.1 | 6.7 | 3.3 | 1.9 | ±2.7 pp | 1,341 | IVR | 7.3 |
| EKOS | November 26, 2020 | | 31.3 | 35.0 | 13.9 | 6.9 | 6.8 | 3.8 | 2.3 | ±1.4 pp | 5,240 | IVR | 3.7 |
| Delphi Polling | November 25, 2020 | | 32 | 38 | 16 | 6 | 6 | 1 | 1 | — | 1,000 | online | 6 |
| Abacus Data | November 24, 2020 | | 30 | 36 | 16 | 7 | 5 | 3 | 2 | ±1.85 pp | 2,912 | online | 6 |
| Ipsos | November 23, 2020 | | 31 | 36 | 17 | 8 | 7 | — | 1 | ±3.5 pp | 1,001 | online | 5 |
| Nanos Research | November 20, 2020 | | 26.7 | 35.9 | 19.6 | 5.6 | 10.0 | 1.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.2 |
| Leger | November 15, 2020 | | 31 | 35 | 18 | 8 | 6 | — | 2 | ±2.51 pp | 1,522 | online | 4 |
| Nanos Research | November 13, 2020 | | 26.4 | 35.9 | 19.8 | 5.4 | 10.7 | 1.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.5 |
| Abacus Data | November 12, 2020 | | 30 | 38 | 15 | 8 | 6 | 2 | 2 | ±2.5 pp | 1,664 | online | 8 |
| Angus Reid | November 9, 2020 | | 33 | 35 | 18 | 7 | 5 | — | 2 | ±2.4 pp | 1,602 | online | 2 |
| Leger | November 8, 2020 | | 28 | 36 | 21 | 7 | 5 | — | 3 | ±2.50 pp | 1,534 | online | 8 |
| Nanos Research | November 6, 2020 | | 28.9 | 37.6 | 18.5 | 4.9 | 8.5 | 1.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.7 |
| Leger | November 1, 2020 | | 31 | 34 | 21 | 7 | 6 | — | 2 | ±2.52 pp | 1,516 | online | 3 |
| Nanos Research | October 30, 2020 | | 27.9 | 39.5 | 16.9 | 5.6 | 8.2 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.6 |
| Ipsos | October 26, 2020 | | 32 | 38 | 17 | 6 | 7 | — | 2 | ±3.5 pp | 1,000 | online | 6 |
| Leger | October 25, 2020 | | 30 | 37 | 18 | 8 | 5 | — | 2 | ±2.51 pp | 1,523 | online | 7 |
| Nanos Research | October 23, 2020 | | 29.4 | 38.6 | 15.6 | 6.0 | 8.2 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.2 |
| Mainstreet Research | October 21, 2020 | | 34.0 | 35.8 | 15.0 | 5.4 | 5.0 | 3.4 | 1.4 | ±2.7 pp | 1,328 | IVR | 1.8 |
| EKOS | October 19, 2020 | Twitter | 31.4 | 35.2 | 13.7 | 5.7 | 8.7 | 4 | 2 | ±2.6 pp | 1,416 | IVR | 3.8 |
| Leger | October 18, 2020 | | 29 | 36 | 18 | 8 | 6 | — | 2 | ±2.52 pp | 1,512 | online | 7 |
| Nanos Research | October 16, 2020 | | 32.5 | 38.5 | 13.4 | 6.0 | 7.6 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.0 |
| Leger | October 11, 2020 | | 29 | 37 | 21 | 7 | 6 | — | 1 | ±2.50 pp | 1,539 | online | 8 |
| Nanos Research | October 9, 2020 | | 33.2 | 35.3 | 14.9 | 6.5 | 7.9 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Innovative Research | October 6, 2020 | | 31 | 37 | 16 | 6 | 5 | 3 | 1 | — | 2,771 | online | 6 |
| Leger | October 4, 2020 | | 32 | 36 | 20 | 7 | 4 | — | 1 | ±2.51 pp | 1,523 | online | 4 |
| Nanos Research | October 2, 2020 | | 33.5 | 34.1 | 16.6 | 6.6 | 6.8 | 1.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.6 |
| | October 3, 2020 | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party | Annamie Paul is elected leader of the Green Party |
| Ipsos | October 1, 2020 | | 31 | 36 | 18 | 7 | 6 | — | 1 | ±3.5 pp | 1,000 | online | 5 |
| Abacus Data | September 28, 2020 | | 30 | 35 | 17 | 6 | 7 | 3 | 2 | ±2.0 pp | 2,440 | online | 5 |
| Leger | September 27, 2020 | | 30 | 40 | 17 | 8 | 5 | — | 1 | ±2.52 pp | 1,514 | online | 10 |
| Nanos Research | September 25, 2020 | | 34.2 | 34.1 | 16.7 | 6.6 | 5.9 | 1.8 | — | ±3.1 pp | 1,000 (1/4) | telephone(rolling) | 0.1 |
| Mainstreet Research | September 24, 2020 | | 34.6 | 37.1 | 15.2 | 4.8 | 4.6 | 2.2 | 1.6 | ±2.7 pp | 1,307 | IVR | 2.5 |
| Abacus Data | September 21, 2020 | | 32 | 35 | 17 | 6 | 8 | 2 | 1 | ±2.6 pp | 1,500 | online | 3 |
| Leger | September 20, 2020 | | 30 | 35 | 19 | 8 | 6 | — | 2 | ±2.50 pp | 1,538 | online | 5 |
| Nanos Research | September 18, 2020 | | 33.2 | 35.0 | 17.4 | 6.0 | 6.1 | 1.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.8 |
| Campaign Research | September 15, 2020 | | 30 | 40 | 15 | 6 | 7 | — | 2 | ±2 pp | 2,389 | online | 10 |
| Innovative Research | September 15, 2020 | | 29 | 39 | 17 | 6 | 7 | 2 | 1 | — | 2,374 | online | 10 |
| Ipsos | September 14, 2020 | | 32 | 33 | 20 | 6 | 8 | — | 1 | ±3.5 pp | 1,000 | online | 1 |
| Research Co. | September 13, 2020 | | 32 | 38 | 17 | 8 | 3 | 1 | 1 | ±3.1 pp | 1,000 | online | 6 |
| Leger | September 13, 2020 | | 31 | 35 | 18 | 7 | 6 | — | 3 | ±2.50 pp | 1,539 | online | 4 |
| Nanos Research | September 11, 2020 | | 30.1 | 35.8 | 19.1 | 6.8 | 6.0 | 1.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.7 |
| Leger | September 6, 2020 | | 32 | 34 | 19 | 7 | 6 | — | 1 | ±2.51 pp | 1,529 | online | 2 |
| Nanos Research | September 4, 2020 | | 31.1 | 33.2 | 19.2 | 7.8 | 7.6 | 0.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Abacus Data | September 3, 2020 | | 31 | 33 | 18 | 7 | 7 | 3 | 2 | ±2.1 pp | 2,289 | online | 2 |
| Angus Reid | September 1, 2020 | | 35 | 35 | 17 | 7 | 4 | 1 | 1 | ±1.5 pp | 5,005 | online | 0 |
| Innovative Research | September 1, 2020 | | 28 | 38 | 16 | 7 | 7 | 3 | 1 | — | 2,308 | online (rolling) | 10 |
| Leger | August 30, 2020 | | 29 | 35 | 21 | 8 | 5 | — | 2 | ±2.51 pp | 1,521 | online | 6 |
| Nanos Research | August 28, 2020 | | 30.5 | 34.3 | 19.5 | 7.6 | 7.1 | 0.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.8 |
| | August 24, 2020 | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party | Erin O'Toole is elected leader of the Conservative Party |
| Leger | August 23, 2020 | | 30 | 38 | 18 | 7 | 6 | — | 2 | ±2.52 pp | 1,516 | online | 8 |
| Nanos Research | August 21, 2020 | | 30.0 | 34.4 | 19.7 | 7.5 | 7.1 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.4 |
| Abacus Data | August 19, 2020 | | 30 | 36 | 18 | 6 | 5 | 4 | 2 | ±2.6 pp | 1,500 | online | 6 |
| Ipsos | August 18, 2020 | | 32 | 35 | 18 | 7 | 7 | — | 2 | ±2.5 pp | 2,000 | online | 3 |
| Innovative Research | August 18, 2020 | | 28 | 40 | 16 | 7 | 6 | 3 | 1 | — | 1,934 | online | 12 |
| Leger | August 16, 2020 | | 32 | 35 | 18 | 8 | 6 | — | 2 | ±2.52 pp | 1,510 | online | 3 |
| Nanos Research | August 14, 2020 | | 31.5 | 33.5 | 17.9 | 6.4 | 8.6 | 1.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.0 |
| Campaign Research | August 13, 2020 | | 33 | 30 | 18 | 7 | 8 | — | 4 | ±2 pp | 2,013 | online | 3 |
| Mainstreet Research | August 12, 2020 | | 28.9 | 41.3 | 15.6 | 5.5 | 5.2 | 2.1 | 1.5 | ±2.5 pp | 1,594 | IVR | 12.4 |
| Leger | August 9, 2020 | | 29 | 36 | 15 | 8 | 8 | — | 3 | ±2.52 pp | 1,513 | online | 7 |
| Nanos Research | August 7, 2020 | | 30.1 | 36.1 | 17.6 | 6.4 | 7.4 | 2.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.0 |
| Leger | August 2, 2020 | | 31 | 33 | 20 | 8 | 6 | — | 2 | ±2.5 pp | 1,531 | online | 2 |
| Nanos Research | July 31, 2020 | | 29.7 | 34.3 | 17.4 | 6.8 | 8.3 | 2.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 4.6 |
| Abacus Data | July 29, 2020 | | 30 | 34 | 17 | 8 | 6 | 2 | 3 | ±2.6 pp | 1,500 | online | 4 |
| Leger | July 26, 2020 | | 29 | 35 | 20 | 9 | 6 | — | 1 | ±2.52 pp | 1,517 | online | 6 |
| Nanos Research | July 24, 2020 | | 29.9 | 33.3 | 16.9 | 6.9 | 9.3 | 3.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.4 |
| EKOS | July 22, 2020 | | 30.0 | 34.7 | 15.2 | 6.5 | 7.6 | 3.5 | 2.5 | ±2.5 pp | 1,505 | IVR | 4.7 |
| Innovative Research | July 20, 2020 | | 28 | 40 | 14 | 7 | 7 | 3 | 1 | — | 2,599 | online | 12 |
| Leger | July 19, 2020 | | 28 | 39 | 17 | 7 | 7 | — | 2 | ±2.51 pp | 1,524 | online | 11 |
| Nanos Research | July 17, 2020 | | 28.9 | 34.9 | 16.9 | 7.1 | 8.8 | 2.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 6.0 |
| EKOS | July 16, 2020 | | 29.5 | 33.2 | 18.2 | 6.6 | 7.6 | 2.9 | 2.1 | ±3.7 pp | 694 | IVR | 3.7 |
| Abacus Data | July 16, 2020 | | 31 | 36 | 16 | 7 | 7 | 2 | 1 | ±2.6 pp | 1,500 | online | 5 |
| Leger | July 12, 2020 | | 26 | 38 | 19 | 8 | 7 | — | 2 | ±2.51 pp | 1,523 | online | 12 |
| Nanos Research | July 10, 2020 | | 28.9 | 35.9 | 15.6 | 6.7 | 9.3 | 2.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.0 |
| Leger | July 5, 2020 | | 25 | 39 | 20 | 8 | 5 | — | 2 | ±2.52 pp | 1,517 | online | 14 |
| Nanos Research | July 3, 2020 | | 27.8 | 36.3 | 16.4 | 6.1 | 10.1 | 2.5 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 8.5 |
| Leger | June 28, 2020 | | 28 | 40 | 17 | 7 | 6 | — | 2 | ±2.51 pp | 1,524 | online | 12 |
| Mainstreet Research | June 26, 2020 | | 27.4 | 43.2 | 14.1 | 5.7 | 4.8 | 2.9 | 1.8 | ±2.7 pp | 1,283 | IVR | 15.8 |
| Nanos Research | June 26, 2020 | | 27.0 | 38.4 | 14.8 | 6.5 | 9.3 | 3.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.4 |
| Innovative Research | June 23, 2020 | | 27 | 41 | 15 | 6 | 8 | — | 3 | — | 2,115 | online | 14 |
| Leger | June 21, 2020 | | 28 | 39 | 19 | 7 | 5 | — | 2 | ±2.51 pp | 1,521 | online | 11 |
| Abacus Data | June 21, 2020 | | 29 | 40 | 16 | 7 | 6 | 2 | 1 | ±1.8 pp | 2,979 | online | 11 |
| Nanos Research | June 19, 2020 | | 26.1 | 38.2 | 14.1 | 7.5 | 9.5 | 3.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.1 |
| EKOS | June 16, 2020 | | 29.9 | 40.5 | 12.7 | 5.1 | 6.5 | 3.5 | 1.8 | ±1.8 pp | 3,006 | IVR | 10.6 |
| Leger | June 14, 2020 | | 27 | 40 | 16 | 7 | 7 | — | 3 | ±2.51 pp | 1,527 | online | 13 |
| Nanos Research | June 12, 2020 | | 25.7 | 36.8 | 16.3 | 7.0 | 9.3 | 4.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.1 |
| Abacus Data | June 11, 2020 | Twitter | 29 | 39 | 19 | 6 | 5 | — | — | — | 1,780 | online | 10 |
| Leger | June 7, 2020 | | 25 | 46 | 15 | 7 | 6 | — | 1 | ±2.51 pp | 1,523 | online | 21 |
| Nanos Research | June 5, 2020 | | 25.5 | 35.8 | 16.7 | 8.1 | 8.3 | 4.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.3 |
| Innovative Research | June 1, 2020 | | 28 | 42 | 12 | 7 | 7 | — | 4 | — | 2,246 | online | 14 |
| Leger | May 31, 2020 | | 27 | 40 | 18 | 7 | 7 | — | 2 | ±2.50 pp | 1,536 | online | 13 |
| Abacus Data | May 29, 2020 | Twitter | 29 | 39 | 15 | 7 | 7 | — | — | — | 1,800 | online | 10 |
| Leger | May 25, 2020 | | 27 | 41 | 15 | 7 | 6 | — | 2 | ±2.52 pp | 1,510 | online | 14 |
| Angus Reid | May 24, 2020 | | 31 | 37 | 17 | 7 | 5 | — | 3 | ±1.4 pp | 5,001 | online | 6 |
| Nanos Research | May 22, 2020 | | 26.2 | 35.3 | 19.3 | 6.6 | 7.5 | 4.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.1 |
| Leger | May 17, 2020 | | 25 | 44 | 15 | 7 | 7 | — | 2 | ±2.52 pp | 1,513 | online | 19 |
| Abacus Data | May 17, 2020 | | 31 | 39 | 16 | 7 | 6 | — | — | ±2.3 pp | 1,800 | online | 8 |
| Nanos Research | May 15, 2020 | | 26.3 | 36.7 | 18.4 | 6.7 | 7.2 | 4.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.4 |
| Leger | May 10, 2020 | | 28 | 41 | 17 | 7 | 6 | — | 1 | ±2.51 pp | 1,526 | online | 13 |
| Nanos Research | May 8, 2020 | | 26.1 | 36.9 | 19.2 | 6.1 | 8.0 | 3.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 10.8 |
| Mainstreet Research | May 7, 2020 | | 29.4 | 43.3 | 11.5 | 5.8 | 5.9 | 3.0 | 1.1 | ±2.6 pp | 1,404 | IVR | 13.9 |
| EKOS | May 7, 2020 | | 28.3 | 42.7 | 10.6 | 6.7 | 6.7 | 3.3 | 1.7 | ±1.4 pp | 5,276 | IVR | 14.4 |
| Innovative Research | May 5, 2020 | | 28 | 41 | 13 | 6 | 7 | — | 3 | — | 2,699 | online | 13 |
| Research Co. | May 3, 2020 | | 30 | 39 | 17 | 5 | 7 | 1 | 1 | ±3.1 pp | 1,000 | online | 9 |
| Leger | May 3, 2020 | | 25 | 44 | 15 | 7 | 6 | — | 2 | ±2.51 pp | 1,526 | online | 19 |
| Nanos Research | May 1, 2020 | | 25.8 | 36.9 | 19.0 | 5.8 | 8.4 | 3.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.1 |
| Leger | April 26, 2020 | | 28 | 43 | 14 | 7 | 6 | — | 2 | ±2.51 pp | 1,515 | online | 15 |
| Abacus Data | April 24, 2020 | Twitter | 30 | 38 | 16 | 8 | 6 | — | — | — | 2,481 | online | 8 |
| Nanos Research | April 24, 2020 | | 26.2 | 38.2 | 17.0 | 6.9 | 8.0 | 3.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 12.0 |
| Leger | April 19, 2020 | | 29 | 42 | 14 | 8 | 5 | — | 2 | ±2.53 pp | 1,504 | online | 13 |
| Angus Reid | April 17, 2020 | | 33 | 36 | 17 | 8 | 4 | — | 3 | ±2.2 pp | 1,912 | online | 3 |
| Nanos Research | April 17, 2020 | | 26.4 | 38.3 | 17.4 | 7.2 | 7.0 | 2.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 11.9 |
| Leger | April 12, 2020 | | 28 | 39 | 18 | 6 | 8 | — | 2 | ±2.52 pp | 1,508 | online | 11 |
| Nanos Research | April 10, 2020 | | 28.4 | 38.1 | 15.7 | 8.1 | 6.7 | 2.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.7 |
| Nanos Research | April 3, 2020 | | 29.1 | 38.9 | 14.8 | 8.4 | 6.5 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 9.8 |
| Innovative Research | April 2, 2020 | [322] [f] | 27 | 40 | 15 | 8 | 7 | 2 | 1 | — | 2,059 | online | 13 |
| Nanos Research | March 27, 2020 | | 30.9 | 36.1 | 16.6 | 7.0 | 7.0 | 0.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.2 |
| EKOS | March 26, 2020 | | 28.6 | 40.4 | 12.2 | 8.6 | 5.9 | 2.2 | 2.1 | ±2.0 pp | 2,304 | IVR | 11.8 |
| Nanos Research | March 20, 2020 | | 32.5 | 34.8 | 17.4 | 6.0 | 7.0 | 1.3 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.3 |
| Mainstreet Research | March 17, 2020 | | 32.2 | 38.6 | 11.1 | 8.8 | 5.7 | 1.7 | 1.9 | ±2.4 pp | 1,665 | IVR | 6.4 |
| Nanos Research | March 13, 2020 | | 29.5 | 37.0 | 17.6 | 5.9 | 7.4 | 1.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 7.5 |
| Nanos Research | March 6, 2020 | | 32.4 | 34.8 | 17.1 | 5.8 | 7.4 | 1.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.4 |
| Leger | March 2, 2020 | | 30 | 32 | 20 | 8 | 8 | — | 2 | ±2.50 pp | 1,540 | online | 2 |
| Angus Reid | February 28, 2020 | | 34 | 26 | 21 | 9 | 7 | — | 3 | ±1.4 pp | 5,043 | online | 8 |
| Nanos Research | February 28, 2020 | | 35.1 | 35.3 | 15.0 | 5.9 | 6.5 | 1.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.2 |
| Campaign Research | February 26, 2020 | | 30 | 30 | 19 | 8 | 11 | — | 3 | ±2.5 pp | 1,606 | online | 0 |
| Nanos Research | February 21, 2020 | | 36.2 | 33.0 | 15.4 | 6.8 | 6.6 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.2 |
| Nanos Research | February 14, 2020 | | 36.1 | 32.7 | 15.5 | 7.1 | 7.0 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.4 |
| Nanos Research | February 7, 2020 | | 35.5 | 33.4 | 13.7 | 7.8 | 8.0 | 1.0 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.1 |
| Nanos Research | January 31, 2020 | | 33.1 | 33.2 | 16.4 | 7.7 | 7.9 | 1.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.1 |
| Leger | January 30, 2020 | | 32 | 34 | 19 | 7 | 7 | — | 1 | ±2.53 pp | 1,501 | online | 2 |
| Nanos Research | January 24, 2020 | | 31.0 | 33.8 | 16.7 | 8.3 | 8.9 | 0.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.8 |
| Leger | January 21, 2020 | | 32 | 31 | 19 | 8 | 8 | — | 2 | ±2.49 pp | 1,552 | online | 1 |
| Abacus Data | January 17, 2020 | | 30 | 34 | 17 | 6 | 8 | 3 | 2 | ±2.5 pp | 1,500 | online | 4 |
| Mainstreet Research | January 17, 2020 | | 32.4 | 39.8 | 10.6 | 6.6 | 5.4 | 2.8 | 2.4 | ±2.55 pp | 1,470 | IVR | 7.4 |
| Nanos Research | January 17, 2020 | | 30.8 | 34.1 | 16.4 | 8.1 | 8.6 | 1.2 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.3 |
| Nanos Research | January 10, 2020 | | 31.5 | 32.2 | 17.8 | 8.1 | 8.1 | 1.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.7 |
| Leger | January 7, 2020 | | 31 | 34 | 18 | 7 | 8 | — | 2 | ±2.49 pp | 1,554 | online | 3 |
| Nanos Research | January 3, 2020 | | 31.3 | 33.7 | 17.0 | 7.1 | 8.8 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.4 |
| Nanos Research | December 27, 2019 | | 31.4 | 34.7 | 16.4 | 6.3 | 8.8 | 1.7 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.3 |
| Nanos Research | December 20, 2019 | | 29.6 | 34.7 | 17.7 | 6.0 | 9.8 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 5.1 |
| Abacus Data | December 16, 2019 | | 30 | 33 | 18 | 7 | 8 | 2 | 2 | ±2.1 pp | 1,500 | online | 3 |
| Angus Reid | December 15, 2019 | | 33 | 30 | 19 | 8 | 7 | — | 3 | ±2.0 pp | 2,011 | online | 3 |
| Nanos Research | December 13, 2019 | | 30.5 | 33.8 | 18.7 | 5.0 | 10.2 | 0.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 3.3 |
| | December 12, 2019 | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party | Andrew Scheer announces his intention to resign as the leader of the Conservative Party |
| EKOS | December 10, 2019 | | 29.6 | 31.1 | 16.8 | 5.8 | 9.8 | 4.2 | 2.7 | ±2.0 pp | 2,339 | IVR | 1.5 |
| Nanos Research | December 6, 2019 | | 31.0 | 33.6 | 17.5 | 6.7 | 9.8 | 0.6 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.6 |
| Nanos Research | November 29, 2019 | | 31.3 | 34.1 | 17.1 | 6.4 | 9.5 | 0.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.8 |
| Leger | November 25, 2019 | | 30 | 32 | 19 | 7 | 7 | 3 | 1 | ±1.78 pp | 3,040 | online | 2 |
| Nanos Research | November 22, 2019 | | 30.9 | 33.7 | 17.2 | 6.8 | 9.3 | 1.4 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.8 |
| Nanos Research | November 15, 2019 | | 30.8 | 32.8 | 19.0 | 7.6 | 7.3 | 1.9 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 2.0 |
| Nanos Research | November 8, 2019 | | 31.3 | 31.8 | 19.9 | 6.9 | 7.6 | 2.1 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 0.5 |
| | November 4, 2019 | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party | Jo-Ann Roberts is named interim leader of the Green Party |
| Nanos Research | November 1, 2019 | | 32.5 | 31.1 | 19.0 | 6.7 | 8.5 | 1.8 | — | ±3.1 pp | 1,000 (1/4) | telephone (rolling) | 1.4 |
| Nanos Research | October 25, 2019 | | 32.5 | 31.7 | 20.8 | 7.2 | 6.0 | 1.5 | — | ±3.1 pp | 1,000 | telephone (rolling) | 0.8 |
| 2019 election | October 21, 2019 | HTML | 34.3 | 33.1 | 16.0 | 7.6 | 6.5 | 1.6 | 0.9 | — | 18,170,880 | — | 1.2 |
| Polling firm | Last date of polling | Link | | | | | | | Others | Margin of error | Sample size | Polling method | Lead |
| Polling firm | Last date of polling | Link | CPC | LPC | NDP | BQ | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |

## 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 | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | May 17, 2020 | | 60 | 21 | 10 | 7 | 1 | — | ±2.5 pp | 1,500 | telephone | 39 |

#### New Brunswick

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | August 20, 2021 | | 44 | 24 | 18 | 10 | 4 | — | ±5.6 pp | 308 | telephone | 20 |

#### Newfoundland and Labrador

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | August 29, 2021 | | 52 | 25 | 24 | <1 | 1 | — | ±5.4 pp | 333 | telephone | 27 |

#### Nova Scotia

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Other | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | August 22, 2021 | | 33 | 36 | 28 | 1 | 1 | — | ±5.3 pp | 341 | telephone | 3 |

#### Prince Edward Island

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Narrative Research | August 25, 2021 | | 39 | 35 | 13 | 12 | 1 | — | ±6.2 pp | 247 | telephone | 4 |
| MQO Research | March 10, 2020 | | 38 | 41 | 9 | 11 | 0 | — | ±4.9 pp | 400 | telephone | 3 |

### Central Canada
#### Quebec

| Polling firm | Last date of polling | LPC | CPC | NDP | BQ | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Leger | September 1, 2021 | 33 | 20 | 13 | 28 | 3 | 2 | 1 | ±1.8 pp | 3,102 | online | 5 |
| Leger | December 13, 2020 | 33 | 21 | 11 | 30 | 4 | — | 1 | ±3.1 pp | 1,004 | online | 3 |
| Leger | September 3, 2020 | 30 | 20 | 14 | 30 | 5 | — | 1 | ±3.1 pp | 1,000 | online | 0 |

#### Ontario

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Campaign Research | September 9, 2021 | | 37 | 33 | 22 | 4 | 3 | — | ±2 pp | 1,565 | online | 4 |
| Pollara | November 16, 2020 | | 46 | 28 | 18 | 6 | 2 | 1 | ±2.1 pp | 2,129 | online | 18 |

##### Greater Toronto Area

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Forum Research | September 10, 2021 | PDF | 39 | 33 | 15 | 3 | 10 | 1 | ±4 pp | 493 | IVR | 6 |
| Nanos Research | August 29, 2021 | | 44 | 33 | 17 | 4 | 4 | — | ±4.4 pp | 502 | telephone | 11 |
| Mainstreet Research | August 21, 2021 | | 43 | 29 | 20 | 5 | 3 | — | ±4.2 pp | 532 | telephone | 14 |
| Forum Research | August 15, 2021 | PDF | 36 | 35 | 17 | 3 | 6 | 2 | ±4 pp | 502 | IVR | 1 |

### Western Canada
#### Manitoba

| Polling firm | Last date of polling | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Leger | September 8, 2021 | 30 | 38 | 22 | 3 | 4 | – | ±4.0 pp | 600 | online | 8 |
| Probe Research | June 11, 2021 | 29 | 32 | 28 | 7 | 4 | – | ±3.1 pp | 1,000 | online/phone/IVR | 3 |
| Probe Research | March 26, 2021 | 29 | 37 | 25 | 6 | 4 | – | ±3.1 pp | 1,000 | online/phone/IVR | 8 |
| Probe Research | December 4, 2020 | 32 | 37 | 24 | 5 | – | – | ±3.1 pp | 1,000 | online/phone/IVR | 5 |
| Probe Research | September 17, 2020 | 33 | 40 | 21 | 5 | – | – | ±3.1 pp | 1,000 | online/phone/IVR | 7 |
| Probe Research | June 11, 2020 | 36 | 33 | 22 | 5 | – | – | ±3.1 pp | 1,000 | online/phone/IVR | 1 |

#### Alberta

| Polling firm | Last date of polling | Link | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Janet Brown | April 10, 2021 | | 24 | 53 | 17 | 2 | 2 | 0 | ±2.8 pp | 1,200 | Online/phone | 29 |

#### British Columbia

| Polling firm | Last date of polling | LPC | CPC | NDP | GPC | PPC | Others | Margin of error | Sample size | Polling method | Lead |
| Insights West | September 16, 2021 | 22 | 34 | 33 | 7 | 4 | – | ±2.8 pp | 1,201 | online | 1 |
| Leger | September 12, 2021 | 30 | 31 | 29 | – | – | – | ±3.1 pp | 861 | online | 1 |
| Insights West | September 4, 2021 | 19 | 33 | 35 | 8 | – | 5 | ±3.1 pp | 1,003 | online | 2 |
| Leger | August 22, 2021 | 27 | 25 | 25 | 5 | – | – | ±3.1 pp | 1,002 | online | 2 |
| Research Co. | August 9, 2021 | 37 | 23 | 29 | 9 | 2 | – | ±3.5 pp | 800 | online | 8 |

## Leadership polls

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

### September 2020 – September 2021

| Polling firm | Last date of polling | Justin Trudeau | Erin O'Toole | Jagmeet Singh | Yves-François Blanchet | Annamie Paul | Maxime Bernier | Unsure | Margin of error | Lead |
| Research Co. | September 13, 2021 | 34 | 26 | 18 | – | 5 | 2 | – | ±3.1 pp | 7 |
| Leger | September 13, 2021 | 25 | 20 | 22 | – | 2 | 4 | 15 | ±2.4 pp | 3 |
| Nanos Research | September 11, 2021 | 34.0 | 26.2 | 17.7 | 3.2 | 2.0 | 4.7 | 12.2 | ±2.8 pp | 7.8 |
| Nanos Research | September 8, 2021 | 28.1 | 27.5 | 21.2 | 3.2 | 1.7 | 6.2 | 12.1 | ±2.8 pp | 0.6 |
| Nanos Research | September 7, 2021 | 29.9 | 26.3 | 21.1 | 2.9 | 1.9 | 4.8 | 13.0 | ±2.8 pp | 3.6 |
| Nanos Research | September 2, 2021 | 27.3 | 31.1 | 19.6 | 2.6 | 2.2 | 4.4 | 12.8 | ±3.1 pp | 3.8 |
| Leger | August 30, 2021 | 23 | 21 | 23 | – | 1 | 3 | 15 | ±2.4 pp | 0 |
| Innovative Research | August 30, 2021 | 34 | 28 | 26 | 4 | 3 | 5 | | — | 6 |
| Nanos Research | August 28, 2021 | 29.7 | 27.6 | 19.5 | 2.3 | 2.2 | 4.1 | 14.5 | ±3.1 pp | 2.1 |
| Nanos Research | August 21, 2021 | 32.6 | 26.3 | 17.9 | 3.2 | 2.0 | 3.6 | 14.4 | ±3.1 pp | 6.3 |
| Leger | August 16, 2021 | 27 | 15 | 18 | – | 1 | 3 | 17 | ±2.4 pp | 9 |
| Nanos Research | August 13, 2021 | 35.6 | 17.9 | 16.9 | 4.3 | 2.6 | 2.9 | 20.1 | ±3.1 pp | 17.7 |
| Leger | August 12, 2021 | 25 | 15 | 18 | – | 2 | 4 | 19 | ±2.4 pp | 7 |
| Leger | August 1, 2021 | 27 | 11 | 19 | – | 1 | 3 | 19 | ±2.52 pp | 8 |
| Nanos Research | July 23, 2021 | 38.9 | 15.7 | 17.6 | 3.5 | 1.0 | 3.5 | 19.9 | ±3.1 pp | 21.3 |
| Nanos Research | July 9, 2021 | 37.4 | 14.3 | 17.6 | 2.7 | 1.4 | 3.0 | 23.6 | ±3.1 pp | 19.8 |
| Leger | July 4, 2021 | 22 | 16 | 17 | – | 1 | 4 | 20 | ±2.52 pp | 5 |
| Nanos Research | July 2, 2021 | 35.1 | 15.7 | 16.7 | 3.4 | 1.7 | 2.8 | 24.6 | ±3.1 pp | 18.4 |
| Nanos Research | June 25, 2021 | 33.3 | 17.4 | 15.7 | 3.7 | 2.4 | 3.5 | 24.1 | ±3.1 pp | 15.9 |
| Ipsos | June 22, 2021 | 42 | 23 | 23 | 6 | 5 | — | — | ±2.9 pp | 19 |
| Nanos Research | June 11, 2021 | 35.1 | 19.9 | 13.8 | 4.2 | 4.2 | 4.7 | 18.1 | ±3.1 pp | 15.2 |
| Nanos Research | May 14, 2021 | 36.3 | 20.8 | 12.6 | 5.2 | 5.3 | 5.2 | 14.6 | ±3.1 pp | 15.5 |
| Innovative Research | May 5, 2021 | 44 | 20 | 23 | 2 | 4 | 6 | | — | 21 |
| Ipsos | April 9, 2021 | 42 | 25 | 17 | 8 | 7 | — | | ±3.5 pp | 17 |
| Nanos Research | April 2, 2021 | 40.1 | 18.9 | 13.2 | 2.3 | 4.1 | 2.9 | 18.5 | ±3.1 pp | 21.2 |
| Nanos Research | March 26, 2021 | 38.9 | 19.3 | 13.7 | 2.2 | 4.7 | 3.2 | 18.0 | ±3.1 pp | 19.6 |
| Research Co. | March 15, 2021 | 40 | 15 | 12 | 3 | 2 | 2 | 25 | ±3.1 pp | 25 |
| Nanos Research | March 12, 2021 | 36.7 | 22.0 | 14.4 | 3.7 | 5.6 | 3.4 | 14.2 | ±3.1 pp | 14.7 |
| Nanos Research | February 26, 2021 | 34.0 | 24.5 | 15.2 | 4.2 | 4.6 | 4.1 | 14.2 | ±3.1 pp | 9.5 |
| Nanos Research | February 5, 2021 | 38.1 | 24.7 | 13.5 | 5.4 | 4.6 | 4.1 | 9.6 | ±3.1 pp | 13.4 |
| Nanos Research | January 15, 2021 | 38.5 | 23.9 | 13.3 | 4.6 | 4.2 | 3.2 | 12.3 | ±3.1 pp | 14.6 |
| Nanos Research | January 1, 2021 | 39.3 | 20.3 | 13.1 | 3.2 | 3.9 | 2.4 | 17.7 | ±3.1 pp | 19.0 |
| Nanos Research | December 18, 2020 | 38.2 | 21.1 | 13.2 | 3.6 | 2.2 | 2.2 | 19.6 | ±3.1 pp | 17.1 |
| Research Co. | December 14, 2020 | 39 | 22 | 13 | 3 | 2 | 2 | | ±3.1 pp | 17 |
| Nanos Research | December 11, 2020 | 37.5 | 19.7 | 13.5 | 3.9 | 3.2 | 2.3 | 19.9 | ±3.1 pp | 17.8 |
| Nanos Research | November 20, 2020 | 38.5 | 20.3 | 14.5 | 3.4 | 1.8 | 2.0 | 19.5 | ±3.1 pp | 18.2 |
| Nanos Research | October 30, 2020 | 39.0 | 20.1 | 12.7 | 2.8 | 2.5 | 1.9 | 21.0 | ±3.1 pp | 18.9 |
| Nanos Research | October 23, 2020 | 37.7 | 21.6 | 12.6 | 2.9 | 2.7 | 2.1 | 20.5 | ±3.1 pp | 16.1 |
| Nanos Research | October 16, 2020 | 38.5 | 23.0 | 11.1 | 1.9 | 2.9 | 2.5 | 20.1 | ±3.1 pp | 15.0 |
| Nanos Research | October 9, 2020 | 37.1 | 22.5 | 11.6 | 2.8 | 4.0 | 2.1 | 19.7 | ±3.1 pp | 14.6 |
| Nanos Research | September 25, 2020 | 35.6 | 22.8 | 13.2 | 3.1 | 3.3 | 2.1 | 19.9 | ±3.1 pp | 12.8 |
| Nanos Research | September 4, 2020 | 34.4 | 20.2 | 15.2 | 4.2 | 4.0 | 1.5 | 20.5 | ±3.1 pp | 14.2 |

### October 2019 – August 2020

| 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 | August 21, 2020 | 33.9 | 18.6 | 14.3 | 4.7 | 5.4 | 1.8 | 21.4 | ±3.1 pp | 15.3 |
| Innovative Research | August 18, 2020 | 47 | 21 | 22 | – | 6 | 5 | | — | 26 |
| Nanos Research | August 7, 2020 | 32.6 | 20.7 | 12.5 | 5.2 | 6.7 | 3.1 | 19.2 | ±3.1 pp | 11.9 |
| Nanos Research | July 17, 2020 | 35.6 | 19.7 | 14.9 | 6.7 | 6.4 | 4.1 | 12.7 | ±3.1 pp | 15.9 |
| Nanos Research | June 26, 2020 | 40.2 | 18.0 | 13.7 | 4.7 | 7.4 | 2.7 | 13.2 | ±3.1 pp | 22.2 |
| Nanos Research | June 12, 2020 | 39.1 | 16.9 | 14.4 | 5.2 | 7.3 | 3.7 | 13.3 | ±3.1 pp | 22.2 |
| Nanos Research | May 29, 2020 | 38.8 | 15.5 | 14.4 | 6.1 | 5.8 | 4.8 | 13.2 | ±3.1 pp | 23.3 |
| Nanos Research | May 15, 2020 | 37.5 | 17.2 | 14.5 | 7.0 | 6.2 | 4.2 | 13.2 | ±3.1 pp | 20.3 |
| Nanos Research | May 8, 2020 | 38.0 | 17.0 | 14.3 | 7.0 | 7.5 | 4.0 | 12.0 | ±3.1 pp | 21.0 |
| Nanos Research | May 1, 2020 | 37.1 | 17.8 | 15.5 | 6.7 | 7.6 | 3.9 | 11.5 | ±3.1 pp | 19.3 |
| Nanos Research | April 24, 2020 | 38.0 | 17.3 | 15.7 | 6.6 | 7.0 | 4.3 | 11.2 | ±3.1 pp | 20.7 |
| Nanos Research | April 17, 2020 | 37.4 | 16.3 | 15.5 | 6.2 | 6.2 | 3.7 | 14.8 | ±3.1 pp | 21.1 |
| Nanos Research | April 10, 2020 | 37.6 | 17.1 | 15.2 | 5.7 | 4.8 | 1.1 | 16.5 | ±3.1 pp | 20.5 |
| Nanos Research | April 3, 2020 | 35.4 | 17.8 | 14.1 | 5.4 | 5.4 | 2.1 | 19.8 | ±3.1 pp | 17.6 |
| Nanos Research | March 27, 2020 | 31.9 | 19.7 | 13.2 | 4.3 | 5.8 | 1.8 | 23.3 | ±3.1 pp | 12.2 |
| Nanos Research | March 20, 2020 | 30.7 | 21.4 | 12.8 | 3.8 | 6.2 | 2.2 | 22.9 | ±3.1 pp | 9.3 |
| Nanos Research | March 13, 2020 | 32.3 | 19.2 | 12.2 | 3.8 | 6.9 | 2.5 | 23.1 | ±3.1 pp | 13.1 |
| Nanos Research | March 6, 2020 | 32.6 | 20.6 | 12.3 | 3.8 | 6.1 | 2.1 | 22.6 | ±3.1 pp | 12.0 |
| Nanos Research | February 28, 2020 | 31.9 | 19.7 | 13.2 | 4.3 | 5.8 | 1.1 | 23.3 | ±3.1 pp | 12.2 |
| Nanos Research | February 14, 2020 | 34.0 | 21.0 | 12.4 | 3.4 | 5.3 | 1.5 | 22.3 | ±3.1 pp | 13.0 |
| Nanos Research | February 7, 2020 | 34.5 | 20.6 | 12.9 | 4.2 | 4.9 | 1.8 | 21.2 | ±3.1 pp | 13.9 |
| Nanos Research | January 31, 2020 | 33.3 | 20.1 | 13.2 | 5.1 | 5.1 | 2.2 | 21.0 | ±3.1 pp | 13.2 |
| Nanos Research | January 24, 2020 | 33.3 | 19.8 | 13.4 | 4.8 | 6.1 | 1.9 | 20.6 | ±3.1 pp | 13.5 |
| Nanos Research | January 17, 2020 | 32.8 | 19.6 | 13.0 | 4.9 | 6.2 | 2.5 | 21.1 | ±3.1 pp | 13.2 |
| Nanos Research | January 10, 2020 | 31.0 | 20.9 | 14.4 | 4.2 | 6.8 | 2.0 | 20.7 | ±3.1 pp | 10.1 |
| Nanos Research | January 3, 2020 | 32.2 | 21.1 | 15.1 | 3.3 | 6.4 | 1.7 | 20.1 | ±3.1 pp | 11.1 |
| Nanos Research | December 27, 2019 | 34.4 | 21.1 | 14.4 | 3.1 | 5.3 | 2.2 | 19.4 | ±3.1 pp | 13.3 |
| Nanos Research | December 20, 2019 | 36.0 | 21.0 | 15.9 | 2.8 | 6.4 | 1.7 | 16.2 | ±3.1 pp | 15.0 |
| Nanos Research | December 13, 2019 | 35.8 | 21.9 | 16.1 | 2.6 | 7.0 | 1.5 | 15.3 | ±3.1 pp | 13.9 |
| Nanos Research | December 6, 2019 | 36.6 | 22.0 | 15.4 | 3.1 | 7.0 | 1.4 | 14.6 | ±3.1 pp | 14.6 |
| Nanos Research | November 29, 2019 | 38.2 | 21.5 | 15.1 | 2.7 | 7.4 | 1.1 | 14.0 | ±3.1 pp | 16.7 |
| Nanos Research | November 22, 2019 | 35.1 | 22.0 | 15.4 | 3.1 | 7.0 | 2.1 | 15.3 | ±3.1 pp | 13.1 |
| Nanos Research | November 15, 2019 | 32.3 | 23.9 | 17.8 | 3.9 | 5.8 | 1.8 | 13.5 | ±3.1 pp | 8.4 |
| Nanos Research | November 8, 2019 | 31.1 | 24.9 | 19.0 | 3.4 | 6.2 | 2.0 | 13.5 | ±3.1 pp | 6.2 |
| Nanos Research | November 1, 2019 | 30.0 | 27.0 | 17.3 | 3.4 | 7.2 | 1.6 | 13.6 | ±3.1 pp | 3.0 |