# Opinion polling for the 2022 South Korean presidential election

This article is a list of opinion polls that have been taken for the 2022 South Korean presidential election. It is divided into polls for intended candidates, and then for the presidential election itself. Two-way polls are used to demonstrate the popularity of one candidate with respect to another, but the election itself will have no run-off round and will be held under a system of first-past-the-post. The polls are ordered by date, with the newest at the top.

## Opinion polling
### Polling after nominees confirmed
#### Polling average

Polling Average :
| Aggregation Firm | Fieldwork date | Updated date | Lee Jae-myung | Yoon Suk Yeol | Sim Sang-jung | Ahn Cheol-soo | Kim Dong-yeon | Huh Kyung-young | Others/ Undecided | Lead |
| Opinion M (Final) | 7 Jan 2021 – 2 Mar 2022 | 5 Mar 2022 | 41.2% | 43.6% | 2.6% | 7.2% | (N/A) | (N/A) | 5.4% | 2.4% |
| 2022 Election (Final) | 5 Nov 2021 – 2 Mar 2022 | 5 Mar 2022 | 40.5% | 43.6% | 2.1% | 7.2% | (N/A) | (N/A) | 6.6% | 3.1% |
| pol MetriX (Final) | 4 Jan 2021 – 4 Mar 2021 (Reported Date) | 5 Mar 2022 | 40.9% | 44.3% | 2.1% | 7.3% | (N/A) | (N/A) | 5.4% | 3.4% |
| SBS Meta S X Poliscore (Final) | (N/A) | 4 Mar 2022 | 40.2% | 41.8% | 1.8% | 7.9% | (N/A) | (N/A) | 8.3% | 1.6% |
| Electoral Analysis (Final) | 1 – 2 Mar 2022 | 3 Mar 2022 | 43.3% | 45.9% | 4.4% | (N/A) | (N/A) | (N/A) | 6.4% | 2.6% |
| Asia Elects | (N/A) | 26 Feb 2022 | 39.0% | 40.2% | 2.8% | 8.5% | (N/A) | (N/A) | 9.5% | 1.2% |

#### 2022
##### Official campaign

This table below lists polls completed since the publication of the official list of candidates on 15 February until the vote on 9 March 2022. The publication of polls are prohibited from 3 March 2022.
| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | | | | | | | Others/ Undecided | Lead |
| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Democratic | Yoon People Power | Sim Justice | Ahn People | Kim New Wave | Huh NRDP | Others/ Undecided | Lead |
| | | 9 Mar | Turnout: 77.1% | Turnout: 77.1% | 47.83% | 48.56% | 2.37% | | | 0.83% | 0.41% | 0.73% |
| 3 March 2022 | 3 March 2022 | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. | Ahn Cheol-soo withdrew from the presidential campaign, endorsing Yoon Seok-youl. |
| KIR | NewsPim | 2 Mar | 1002 | ±3.1%p | 43.4% | 47.2% | 1.3% | 5.3% | | 1.2% | 1.6% | 3.8% |
| Southern Post | CBS | 2 Mar | 1001 | ±3.1%p | 37.7% | 39.6% | 1.7% | 8.6% | | — | 12.4% | 1.9% |
| R&R | The Dong-a Ilbo | 1–2 Mar | 1008 | ±3.1%p | 39.4% | 42.1% | 3.2% | 8.2% | | — | 7.1% | 2.7% |
| Embrain Public | Munhwa Ilbo | 1–2 Mar | 1002 | ±3.1%p | 41.9% | 43.7% | 2.2% | 6.0% | | — | 6.2% | 1.8% |
| Ipsos | Korea Economic Daily | 1–2 Mar | 1000 | ±3.1%p | 40.7% | 44.3% | 1.3% | 7.9% | 0.3% | 2.0% | 3.4% | 3.6% |
| KSOI | Herald Economy | 1–2 Mar | 1006 | ±3.1%p | 43.7% | 44.4% | 1.9% | 7.2% | | — | 2.8% | 0.7% |
| Opinion Research Justice | Dailian | 1–2 Mar | 3004 | ±1.8%p | 40.7% | 46.4% | 1.8% | 6.1% | 1.1% | — | 3.9% | 5.7% |
| Ipsos Korea Research Hankook Research | KBS, MBC, SBS | 1–2 Mar | 2003 | ±2.2%p | 37.1% | 42.1% | 1.4% | 6.0% | 0.1% | 1.5% | 6.9% | 5.0% |
| Kantar Korea | TV Chosun | 1–2 Mar | 1009 | ±3.1%p | 33.8% | 40.1% | 2.2% | 7.2% | | — | 16.7% | 6.3% |
| Opinion Research Justice | JKN | 1–2 Mar | 1008 | ±3.1%p | 42.7% | 45.1% | 1.0% | 5.5% | 0.9% | 1.8% | 3.1% | 2.4% |
| WinG Korea | Asia Business | 1–2 Mar | 1015 | ±3.1%p | 45.4% | 45.2% | 1.3% | 5.9% | | — | 2.2% | 0.2% |
| Gallup Korea | Money Today | 1–2 Mar | 1005 | ±3.1%p | 39.2% | 40.6% | 2.1% | 9.0% | | — | 9.0% | 1.4% |
| Next Research | MBN | 1–2 Mar | 1011 | ±3.1%p | 34.1% | 39.9% | 2.1% | 10.3% | | — | 13.6% | 5.8% |
| PNR | News Prime et al. | 1–2 Mar | 1011 | ±3.1%p | 41.9% | 47.5% | 1.3% | 4.9% | | 2.6% | 1.8% | 5.6% |
| | | 1–2 Mar | 1000 | ±3.1%p | 41% | 47% | 2% | 7% | | — | 3% | 6% |
| Hangil Research | Kuki News | 1–2 Mar | 1021 | ±3.1%p | 40.9% | 43.6% | 2.3% | 6.1% | | — | 4.3% | 2.7% |
| Gallup Korea | Gallup Korea | 28 Feb – 2 Mar | 1002 | ±3.1%p | 38% | 39% | 3% | 12% | | — | 8% | 1% |
| National Barometer Survey | National Barometer Survey | 28 Feb – 2 Mar | 2013 | ±2.2%p | 40% | 40% | 2% | 9% | | — | 10% | Tie |
| RealMeter | Oh My News | 28 Feb – 2 Mar | 3037 | ±1.8%p | 40.6% | 45.1% | 1.9% | 7.1% | | — | 5.2% | 4.5% |
| Embrain Public | JoongAng Ilbo | 28 Feb – 2 Mar | 2013 | ±2.2%p | 40.4% | 43.7% | 1.8% | 8.1% | | — | 3.6% | 3.3% |
| 2 March 2022 | 2 March 2022 | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. | Kim Dong-yeon withdrew from the presidential campaign, endorsing Lee Jae-myung. |
| KSOI | Kukmin Ilbo | 28 Feb – 1 Mar | 1012 | ±3.1%p | 37.9% | 44.2% | 2.1% | 8.9% | — | — | 6.9% | 6.3% |
| Jowon C&I | Ilyo Shinmun | 28 Feb – 1 Mar | 1013 | ±3.1%p | 42.1% | 44.9% | 2.6% | 7.0% | 0.5% | — | 2.9% | 2.8% |
| Global Research | JTBC | 28 Feb – 1 Mar | 1006 | ±3.1%p | 36.6% | 42.3% | 2.9% | 6.7% | — | — | 11.5% | 5.7% |
| Media Research | OBS | 28 Feb – 1 Mar | 1000 | ±3.1%p | 45.0% | 44.9% | 1.5% | 5.1% | — | 1.5% | 2.0% | 0.1% |
| RealMeter | Newsis | 28 Feb – 1 Mar | 1007 | ±3.1%p | 43.1% | 46.3% | 1.9% | 6.7% | — | — | 2.1% | 3.2% |
| Kantar Korea | Seoul Economic Daily | 27 Feb – 1 Mar | 1028 | ±3.1%p | 34.1% | 44.1% | 2.0% | 7.8% | — | — | 12.0% | 10.0% |
| Jowon C&I | Local Press Korea Assoc. | 26 Feb – 1 Mar | 3004 | ±1.8%p | 42.4% | 45.3% | 1.7% | 7.3% | — | — | 3.3% | 2.1% |
| PNR | New Daily | 26 Feb – 1 Mar | 4014 | ±1.5%p | 42.5% | 46.5% | 2.1% | 6.4% | — | — | 2.4% | 4.0% |
| ARC | Freedom Daily | 28 Feb | 1002 | ±3.1%p | 43.2% | 46.5% | 2.1% | 4.5% | 0.7% | 1.4% | 1.5% | 3.3% |
| Ace Research | Kookje Daily | 27–28 Feb | 1002 | ±3.1%p | 43.7% | 44.6% | 1.9% | 7.4% | — | — | 2.4% | 0.9% |
| Real Research Korea | Kmaeil | 25–28 Feb | 1000 | ±3.1%p | 41.5% | 46.8% | 2.8% | 6.2% | — | — | 2.7% | 5.3% |
| Mediatomato | Newstomato | 26–27 Feb | 1452 | ±2.6%p | 42.0% | 44.2% | 2.1% | 8.5% | — | — | 3.2% | 2.2% |
| Opinion Research Justice | Dailian | 25–27 Feb | 3004 | ±1.8%p | 42.3% | 45.4% | 2.1% | 5.5% | 0.8% | — | 3.9% | 3.1% |
| RealMeter | The Fact | 26–27 Feb | 1009 | ±3.1%p | 41.0% | 46.1% | 2.5% | 7.9% | — | — | 2.5% | 5.1% |
| RealMeter | Oh My News | 24–27 Feb | 2052 | ±2.2%p | 39.5% | 42.0% | 1.8% | 8.6% | — | — | 8.2% | 2.5% |
| KSOI | TBS | 25–26 Feb | 1000 | ±3.1%p | 43.2% | 45.0% | 1.5% | 5.9% | 0.6% | 1.7% | 2.2% | 1.8% |
| KSOI | TBS | 25–26 Feb | 1005 | ±3.1%p | 43.8% | 36.1% | 3.4% | 7.3% | 0.4% | 1.9% | 7.2% | 7.7% |
| Southern Post | CBS | 26 Feb | 1021 | ±3.1%p | 40.0% | 40.4% | 2.7% | 8.1% | — | — | 8.8% | 0.4% |
| Gallup Korea | The Seoul Shinmun | 25–26 Feb | 1004 | ±3.1%p | 37.2% | 42.3% | 3.5% | 11.0% | — | — | 6.0% | 5.1% |
| Embrain Public | News1 | 25–26 Feb | 1014 | ±3.1%p | 40.2% | 42.4% | 2.8% | 9.0% | — | — | 5.6% | 2.2% |
| Hankook Research | KBS | 24–26 Feb | 2000 | ±2.2%p | 39.8% | 39.8% | 3.1% | 8.2% | — | — | 9.1% | Tie |
| Kantar Korea | TV Chosun | 23–24 Feb | 1007 | ±3.1%p | 34.9% | 36.5% | 3.1% | 8.5% | — | — | 17.0% | 1.6% |
| PNR | News Prime et al. | 23–24 Feb | 1005 | ±3.1%p | 41.0% | 43.8% | 3.1% | 7.4% | — | 1.9% | 2.4% | 2.8% |
| | | 22–24 Feb | 1000 | ±3.1%p | 41% | 46% | 2% | 7% | — | — | 4% | 5% |
| Gallup Korea | Gallup Korea | 22–24 Feb | 1000 | ±3.1%p | 38% | 37% | 4% | 12% | — | — | 9% | 1% |
| KIR | Cheonji Daily | 23 Feb | 1001 | ±3.1%p | 39.3% | 45.8% | 3.2% | 6.9% | — | 1.2% | 3.7% | 6.5% |
| Media Research | OBS | 22-23 Feb | 1000 | ±3.1%p | 42.2% | 43.2% | 2.4% | 6.2% | — | 2.9% | 3.1% | 1.0% |
| KRi | MBC | 22-23 Feb | 1005 | ±3.1%p | 39.6% | 41.9% | 2.5% | 7.8% | 0.1% | 1.1% | 7.0% | 2.3% |
| Embrain Public | JoongAng Ilbo | 22-23 Feb | 1005 | ±3.1%p | 39.4% | 40.2% | 3.3% | 9.4% | — | — | 7.7% | 0.8% |
| National Barometer Survey | National Barometer Survey | 21-23 Feb | 1004 | ±3.1%p | 37% | 39% | 3% | 9% | — | — | 12% | 2% |
| RealMeter | Oh My News | 20-23 Feb | 2038 | ±2.2%p | 40.5% | 41.9% | 2.6% | 6.8% | — | — | 8.2% | 1.4% |
| Jowon C&I | Sisa Journal | 20-22 Feb | 1002 | ±3.1%p | 42.3% | 44.2% | 2.8% | 6.7% | — | — | 4.1% | 1.9% |
| KIR | NewsPim | 21 Feb | 1002 | ±3.1%p | 39.5% | 44.0% | 3.1% | 7.5% | 0.5% | 2.0% | 3.4% | 4.5% |
| Gallup Korea | Money Today | 20-21 Feb | 1002 | ±3.1%p | 38.3% | 39.0% | 3.0% | 9.5% | — | — | 10.2% | 0.7% |
| Hangil Research | Polinews | 19-21 Feb | 1027 | ±3.1%p | 42.6% | 42.7% | 1.2% | 6.5% | 0.3% | 1.6% | 5.1% | 0.1% |
| Opinion Research Justice | Dailian | 20 Feb | 1001 | ±3.1%p | 40.8% | 45.3% | 1.9% | 6.0% | 1.0% | — | 5.0% | 4.5% |
| Jowon C&I | Straight News | 19-20 Feb | 1002 | ±3.1%p | 42.1% | 43.6% | 2.2% | 5.9% | 0.9% | — | 5.4% | 1.5% |
| Mediatomato | Newstomato | 19-20 Feb | 1061 | ±3.0%p | 41.9% | 44.4% | 2.9% | 6.2% | — | — | 4.7% | 2.5% |
| Global Research | JTBC | 19-20 Feb | 1006 | ±3.1%p | 34.1% | 42.4% | 3.2% | 6.6% | — | — | 13.7% | 8.3% |
| Real Research Korea | Kmaeil | 18-20 Feb | 1001 | ±3.1%p | 40.6% | 43.4% | 4.0% | 6.9% | — | — | 5.1% | 2.8% |
| Jowon C&I | CBS | 18-19 Feb | 1001 | ±3.1%p | 39.9% | 44.7% | 2.7% | 7.5% | — | 1.7% | 3.5% | 4.8% |
| KSOI | TBS | 18-19 Feb | 1002 | ±3.1%p | 43.7% | 42.2% | 2.7% | 5.8% | 0.4% | 1.7% | 3.3% | 1.5% |
| R&R | The Dong-a Ilbo | 18-19 Feb | 1006 | ±3.1%p | 36.4% | 43.3% | 2.7% | 9.9% | — | — | 7.7% | 6.9% |
| Hankook Research | Hankookilbo | 18-19 Feb | 1012 | ±3.1%p | 36.9% | 42.4% | 2.3% | 7.1% | — | — | 11.3% | 5.5% |
| Kantar Korea | Seoul Economic Daily | 18-19 Feb | 1012 | ±3.1%p | 32.2% | 41.3% | 3.3% | 6.9% | — | — | 14.8% | 9.1% |
| PNR | New Daily | 18-19 Feb | 2015 | ±2.2%p | 39.8% | 47.6% | 2.2% | 7.0% | — | — | 3.3% | 7.8% |
| Southern Post | CBS | 18-19 Feb | 1001 | ±3.1%p | 31.4% | 40.2% | 4.4% | 8.2% | — | — | 15.8% | 8.8% |
| RealMeter | Oh My News | 13-18 Feb | 3043 | ±1.8%p | 38.7% | 42.9% | 3.2% | 8.3% | — | — | 6.8% | 4.2% |
| Inner Tech Systems | GNN | 18 Feb | 1014 | ±3.1%p | 39.7% | 46.1% | 4.2% | 5.7% | — | — | 4.4% | 6.4% |
| PNR | News Prime et al. | 16-17 Feb | 1004 | ±3.1%p | 39.9% | 44.6% | 1.9% | 7.9% | — | 1.5% | 4.2% | 4.7% |
| Gallup Korea | Gallup Korea | 15-17 Feb | 1007 | ±3.1%p | 34% | 41% | 4% | 11% | — | — | 10% | 7% |
| | | 15-17 Feb | 1000 | ±3.1%p | 39% | 48% | 3% | 7% | — | — | 3% | 9% |
| Ipsos Korea Research Hankook Research | KBS, MBC, SBS | 15-16 Feb | 2006 | ±2.2%p | 35.2% | 39.2% | 3.7% | 8.1% | 0.1% | 1.7% | 12% | 4.0% |
| Media Research | OBS | 15-16 Feb | 1000 | ±3.1%p | 40.4% | 43.6% | 3.0% | 5.9% | — | 2.7% | 4.4% | 3.2% |
| | | 14-16 Feb | 1006 | ±3.1%p | 39.0% | 45.3% | 3.7% | 8.2% | — | — | 3.8% | 6.3% |
| National Barometer Survey | National Barometer Survey | 14-16 Feb | 1012 | ±3.1%p | 31% | 40% | 2% | 8% | — | — | 19% | 9% |
| For more information, visit the National Election Survey Deliberation Committee |||||||||||||

##### 1 February to 14 February

| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Jae-myung | Yoon Suk Yeol | Sim Sang-jung | Ahn Cheol-soo | Kim Dong-yeon | Huh Kyung-young | Others/ Undecided | Lead |
| Hangil Research | Kuki News | 12–14 Feb | 1009 | ±3.1%p | 41.9% | 42.4% | 2.0% | 7.2% | — | — | 6.6% | 0.5% |
| ARC | Freedom Daily | 13 Feb | 1001 | ±3.1%p | 36.9% | 48.7% | 2.0% | 7.2% | — | 2.3% | 2.8% | 11.8% |
| Mediatomato | Newstomato | 12–13 Feb | 1046 | ±3.0%p | 40.2% | 43.2% | 3.0% | 8.3% | — | — | 1.9% | 3.0% |
| Kantar Korea | TV Chosun | 12–13 Feb | 1010 | ±3.1%p | 33.2% | 38.8% | 3.1% | 8.4% | — | — | 16.5% | 5.6% |
| KIR | NewsPim | 12 Feb | 1,006 | ±3.1%p | 39.4% | 44.3% | 3.9% | 6.1% | 0.7% | 2.9% | 2.7% | 4.9% |
| Southern Post | CBS | 12 Feb | 1015 | ±3.1%p | 35.0% | 35.5% | 3.0% | 7.2% | — | — | 19.3% | 0.5% |
| Opinion Research Justice | Dailian | 11–12 Feb | 1000 | ±3.1%p | 38.2% | 46.6% | 1.7% | 6.9% | 0.9% | — | 5.7% | 8.4% |
| Opinion Research Justice | JKN | 11–12 Feb | 1000 | ±3.1%p | 36.6% | 47.5% | 1.8% | 7.7% | 0.5% | 1.8% | 4.2% | 10.9% |
| KSOI | TBS | 11–12 Feb | 1005 | ±3.1%p | 40.4% | 43.5% | 3.5% | 7.8% | 0.6% | 1.2% | 3.1% | 3.1% |
| PNR | New Daily | 11–12 Feb | 2028 | ±2.2%p | 40.3% | 46.6% | 2.5% | 7.3% | — | — | 3.3% | 6.3% |
| RealMeter | Oh My News | 6–11 Feb | 3040 | ±1.8%p | 39.1% | 41.6% | 2.8% | 7.7% | — | — | 8.8% | 2.5% |
| PNR | News Prime et al. | 9–10 Feb | 1018 | ±3.1%p | 38.0% | 44.9% | 2.8% | 8.7% | — | 2.6% | 2.9% | 6.9% |
| | | 9–10 Feb | 1000 | ±3.1%p | 36% | 48% | 3% | 8% | 1% | — | 4% | 12% |
| Gallup Korea | Gallup Korea | 8–10 Feb | 1001 | ±3.1%p | 36% | 37% | 3% | 13% | — | — | 11% | 1% |
| Opinion Research Justice | Freedom Daily | 9 Feb | 1004 | ±3.1%p | 40.1% | 44.6% | 1.8% | 8.3% | 0.5% | — | 4.8% | 4.5% |
| Media Research | OBS | 8–9 Feb | 1000 | ±3.1%p | 39.0% | 44.3% | 2.8% | 6.7% | — | 3.0% | 4.2% | 5.3% |
| Kantar Korea | Seoul Economic Daily | 8–9 Feb | 1008 | ±3.1%p | 31.3% | 41.2% | 3.9% | 8.9% | — | — | 12.6% | 9.9% |
| Hankook Research | KBS | 7–9 Feb | 1000 | ±3.1%p | 34.0% | 37.7% | 3.0% | 9.0% | — | — | 16.2% | 3.7% |
| National Barometer Survey | National Barometer Survey | 7–9 Feb | 1007 | ±3.1%p | 35% | 35% | 4% | 9% | — | — | 16% | Tie |
| Next Research | MBN | 7–8 Feb | 1001 | ±3.1%p | 31.6% | 36.1% | 3% | 10% | — | — | 19.2% | 4.5% |
| Gallup Korea | Money Today | 7–8 Feb | 1007 | ±3.1%p | 36.9% | 40.1% | 3.9% | 10% | — | — | 9.1% | 3.2% |
| Jowon C&I | Sisa Journal | 6–8 Feb | 2020 | ±2.2%p | 38.5% | 44.8% | 2.5% | 8.8% | — | — | 5.3% | 6.5% |
| Jowon C&I | Straight News | 5–6 Feb | 1003 | ±3.1%p | 39.0% | 45.5% | 2.7% | 9.0% | 0.5% | — | 3.3% | 6.5% |
| KRi | MBC | 5–6 Feb | 1012 | ±3.1%p | 35.3% | 37.1% | 3.5% | 11.9% | — | — | 12.3% | 1.8% |
| Mediatomato | News Tomato | 5–6 Feb | 1017 | ±3.1%p | 36.8% | 44.9% | 3% | 8.6% | 0.7% | 2% | 3.5% | 8.1% |
| KIR | NewsPim | 5 Feb | 1006 | ±3.1%p | 35.6% | 46.5% | 2.6% | 7.9% | 1.1% | 2.5% | 3.2% | 10.9% |
| Embrain Public | JoongAng Ilbo | 4–5 Feb | 1005 | ±3.1%p | 38.1% | 36.2% | 4.2% | 11.7% | — | — | 9.4% | 1.9% |
| Opinion Research Justice | Dailian | 4–5 Feb | 1000 | ±3.1%p | 36.3% | 44.6% | 3.2% | 7.4% | 0.7% | — | 7.8% | 8.3% |
| PNR | New Daily | 4–5 Feb | 2001 | ±2.2%p | 37.7% | 48% | 3% | 7.7% | — | — | 3.7% | 10.3% |
| KSOI | Kukmin Ilbo | 3–4 Feb | 1006 | ±3.1%p | 35.1% | 37.2% | 2.2% | 8.4% | — | — | 17.1% | 2.1% |
| Realmeter | OhmyNews | 2–4 Feb | 1509 | ±2.5%p | 38.1% | 43.4% | 2.5% | 7.5% | — | — | 8.4% | 5.3% |
| PNR | News Prime et al. | 2–3 Feb | 2001 | ±2.2%p | 38% | 44.3% | 2.9% | 7.4% | — | 3% | 4.3% | 6.3% |
| Hangil Research | Kuki news | 2 Feb | 1012 | ±3.1%p | 40.4% | 38.5% | 3.3% | 8.2% | 0.5% | 2.1% | 6.9% | 1.9% |
| Research View | UPI News | 1–3 Feb | 1000 | ±3.1%p | 38% | 46% | 3% | 8% | 1% | — | 3% | 8% |
| For more information, visit the National Election Survey Deliberation Committee |||||||||||||

##### January

| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Jae-myung | Yoon Suk Yeol | Sim Sang-jung | Ahn Cheol-soo | Kim Dong-yeon | Huh Kyung-young | Others/ Undecided | Lead |
| Opinion Research Justice | Dailian | 29 Jan | 1002 | ±3.1%p | 38.1% | 43.5% | 2.8% | 7.8% | 0.8% | — | 7.1% | 5.4% |
| PNR | New Daily | 28–29 Jan | 2001 | ±2.2%p | 39.7% | 45.1% | 2.6% | 8.3% | — | — | 4.4% | 5.4% |
| Korea Research | MBC | 26–27 Jan | 1002 | ±3.1%p | 32.9% | 41.1% | 3.1% | 10.5% | — | — | 11.9% | 8.2% |
| KIR | NewsPim | 26 Jan | 1,005 | ±3.1%p | 35.6% | 42.4% | 3.1% | 8.8% | 0.9% | 5.6% | 3.7% | 6.8% |
| Embrain Public | Munhwa Ilbo | 24–25 Jan | 1,001 | ±3.1%p | 33.5% | 35.9% | 3.2% | 12% | 0.7% | — | 14.7% | 2.4% |
| RealMeter | Oh My News | 17–21 Jan | 3,031 | ±1.8%p | 36.8% | 42.0% | 2.5% | 10.0% | — | — | 8.7% | 5.2% |
| Gallup Korea | Gallup Korea | 18–20 Jan | 1,002 | ±3.1%p | 34% | 33% | 3% | 17% | — | — | 13% | 1% |
| Global Research | JTBC | 16–17 Jan | 1,020 | ±3.1%p | 34.6% | 32.9% | 3.3% | 14% | — | — | 15.2% | 1.7% |
| PNR | New Daily | 14–15 Jan | 1,000 | ±3.1%p | 33.8% | 44.8% | 3.0% | 11.7% | — | — | 6.7% | 11.0% |
| RealMeter | Oh My News | 9–14 Jan | 3,031 | ±1.8%p | 36.7% | 40.6% | 2.0% | 12.9% | — | — | 7.8% | 3.9% |
| Gallup Korea | Gallup Korea | 11–13 Jan | 1,001 | ±3.1%p | 37% | 31% | 3% | 17% | — | — | 12% | 6% |
| KSOI | TBS | 7–8 Jan | 1,000 | ±3.1%p | 37.6% | 35.2% | 2.3% | 15.1% | 0.4% | — | 9.4% | 2.4% |
| KRI | MBC | 7–8 Jan | 1,003 | ±3.1%p | 37.1% | 30.5% | 4.0% | 13.6% | — | — | 14.8% | 6.6% |
| PNR | New Daily | 7–8 Jan | 1,001 | ±3.1%p | 38.5% | 37.7% | 2.9% | 13.4% | — | — | 7.5% | 0.8% |
| Southern Post | CBS | 7–8 Jan | 1,002 | ±3.1%p | 34.1% | 26.4% | 3.1% | 12.8% | — | — | 23.6% | 7.7% |
| RealMeter | Oh My News | 2–7 Jan | 3,042 | ±1.8%p | 40.1% | 34.1% | 2.8% | 11.1% | — | — | 11.9% | 6.0% |
| Gallup Korea | Gallup Korea | 6 Jan | 1,002 | ±3.1%p | 36.0% | 26.0% | 5.0% | 15.0% | — | — | 18.0% | 10.0% |
| Global Research | JTBC | 5–6 Jan | 1,006 | ±3.1%p | 38.0% | 25.1% | 3.0% | 12.0% | — | — | 21.9% | 12.9% |
| Gallup Korea | Money Today | 5 Jan | 1,001 | ±3.1%p | 37.6% | 29.2% | 3.6% | 12.9% | 0.2% | — | 16.5% | 8.4% |
| GGilbo | NBS | 5 Jan | 1,000 | ±3.1%p | 36.0% | 28.0% | 2.0% | 12.0% | — | — | 22.0% | 8.0% |
| | UPI news | 4–6 Jan | 1,000 | ±3.1%p | 41% | 38% | 3% | 13% | — | — | 6% | 3% |
| R&S Research | MBN | 4–5 Jan | 1,003 | ±3.1%p | 38.5% | 34.2% | 3.3% | 12.2% | — | — | 11.8% | 4.3% |
| Media Research | OBS | 4–5 Jan | 1,001 | ±3.1%p | 40.3% | 37.0% | 3.6% | 9.2% | — | 2.8% | 7.1% | 3.3% |
| Korea Research | KBS | 3–4 Jan | 1,000 | ±3.1%p | 39.1% | 26.0% | 3.1% | 10.6% | 0.6% | — | 21.6% | 13.1% |
| KIR | Cheonji Daily | 2 Jan | 1,003 | ±3.1%p | 37.7% | 37.1% | 3.9% | 10.6% | 1.2% | — | 10.5% | 0.6% |
| Global Research | JTBC | 1–2 Jan | 1,012 | ±3.1%p | 37.0% | 28.1% | 3.2% | 9.1% | — | — | 22.6% | 8.9% |
| R&R | Choson | 1 Jan | 1,013 | ±3.1%p | 35.5% | 30.9% | 4.1% | 10.3% | — | — | 14.4% | 4.6% |
| KSOI | TBS | 31 Dec – 1 Jan | 1,000 | ±3.1%p | 41.0% | 37.1% | 2.2% | 9.2% | 1.1% | — | 9.4% | 3.9% |
| Opinion Research Justice | Dailian | 31 Dec – 1 Jan | 1,000 | ±3.1%p | 39.9% | 36.8% | 2.3% | 8.0% | 0.7% | — | 12.3% | 1.6% |
| Ace Research | Mudeung Daily | 31 Dec – 1 Jan | 1,000 | ±3.1%p | 44.1% | 35.6% | 3.8% | 7.7% | 0.5% | — | 8.3% | 8.5% |
| PNR | New Daily | 31 Dec – 1 Jan | 1,002 | ±3.1%p | 40.5% | 40.9% | 1.8% | 8.5% | — | — | 8.3% | 0.4% |
| R&R | The Dong-a Ilbo | 30 Dec – 1 Jan | 1,012 | ±3.1%p | 39.9% | 30.2% | 4.3% | 8.6% | 0.6% | — | 16.4% | 9.7% |
| For more information, visit the National Election Survey Deliberation Committee |||||||||||||

#### 2021

| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Jae-myung | Yoon Suk Yeol | Sim Sang-jung | Ahn Cheol-soo | Kim Dong-yeon | Huh Kyung-young | Others/ Undecided | Lead |
| NR | SBS | 30–31 Dec | 1,003 | ±3.1%p | 34.9% | 26.0% | 2.6% | 7.8% | — | — | 28.7% | 8.9% |
| KRI | MBC | 29–31 Dec | 1,007 | ±3.1%p | 38.5% | 28.4% | 4.0% | 8.4% | — | — | 20.7% | 10.1% |
| Korea research | KBS | 29–31 Dec | 1,000 | ±3.1%p | 39.3% | 27.3% | 3.2% | 8.1% | 0.5% | — | 21.6% | 12.0% |
| Hankook Research | Hankookilbo | 29–30 Dec | 1,005 | ±3.1%p | 34.3% | 28.7% | 4.5% | 9.0% | — | — | 23.5% | 5.6% |
| ARC | Sportsseoul | 29 Dec | 1,001 | ±3.1%p | 41.5% | 38.8% | 2.0% | 6.7% | — | 3.9% | 7.0% | 2.7% |
| R&R | The Segye Times | 27–29 Dec | 1,013 | ±3.1%p | 35.5% | 30.9% | 4.1% | 10.3% | — | — | 19.2% | 4.6% |
| Gallup Korea | The Seoul Shinmun | 27–28 Dec | 1,008 | ±3.1%p | 36.8% | 30.8% | 6.6% | 9.3% | — | — | 10.3% | 6.0% |
| KSOI | Harold Economy | 27–28 Dec | 1,002 | ±3.1%p | 42.9% | 37.8% | 3.3% | 4.4% | — | — | 11.5% | 5.1% |
| Mediatomato | Newstomato | 25–26 Dec | 1,014 | ±3.1%p | 40.1% | 33.9% | 4.5% | 6.6% | 1.2% | — | 13.8% | 6.2% |
| Opinion Research Justice | Dailian | 24–25 Dec | 1,000 | ±3.1%p | 39.1% | 37.5% | 2.1% | 6.5% | 1.2% | — | 13.5% | 1.6% |
| PNR | New Daily | 24–25 Dec | 1,000 | ±3.1%p | 40.4% | 41.1% | 2.8% | 5.7% | — | — | 10.1% | 0.7% |
| KSOI | TBS | 24–25 Dec | 1,000 | ±3.1%p | 37.6% | 35.8% | 3.5% | 7.3% | 1.5% | — | 14.3% | 1.8% |
| SP | Chosun | 24–25 Dec | 1,010 | ±3.1%p | 36.6% | 27.7% | 3.9% | 4.1% | — | — | 24.7% | 8.9% |
| Media research | Obsnews | 23–24 Dec | 1,006 | ±3.1%p | 42.8% | 35.5% | 3.3% | 5.7% | — | 4.0% | 8.7% | 7.3% |
| KED | Chosun | 23–24 Dec | 1,004 | ±3.1%p | 37.8% | 37.5% | 5.1% | 8.4% | 1.0% | — | 10.2% | 0.3% |
| Realmeter Archived 2021-12-22 at the Wayback Machine | YTN | 20–21 Dec | 1,027 | ±3.1%p | 37.0% | 40.1% | 3.6% | 4.2% | 1.7% | — | 13.4% | 3.1% |
| KSOI | Hani | 20 Dec | 1,008 | ±3.1%p | 40.3% | 37.4% | 4.2% | 4.6% | 1.3% | — | 12.1% | 2.9% |
| Realmeter | Ohmynews | 19–24 Dec | 3,090 | ±1.8%p | 39.7% | 40.4% | 2.9% | 5.6% | — | — | 11.4% | 0.7% |
| NewsSCJ | KIR | 14 Dec | 1,022 | ±3.1%p | 35.2% | 44.9% | 4.4% | 3.9% | 1.2% | 4.5% | 5.9% | 9.7% |
| IMNews | MBC | 14 Dec | 1,007 | ±3.1%p | 34.5% | 38.7% | 4.5% | 5.9% | — | — | 16.4% | 4.2% |
| Realmeter | The Watch | 7–8 Dec | 1,028 | ±3.1%p | 35.5% | 37.4% | 6.7% | 4.1% | 1.9% | 4.6% | 6.2% | 1.9% |
| Gallup Korea | MoneyToday | 6–7 Dec | 1,006 | ±3.1%p | 35.5% | 36.4% | 3.5% | 6.5% | 1.0% | — | 16.4% | 0.1% |
| PNR | New Daily | 3–4 Dec | 1,004 | ±3.1%p | 38.5% | 42.6% | 3.8% | 2.9% | 0.8% | 4.4% | 6.9% | 4.1% |
| KSOI | TBS | 2–3 Dec | 1,007 | ±3.1%p | 37.9% | 41.2% | 4.1% | 3.2% | 1.7% | — | 12.0% | 4.3% |
| R&R | ChannelA | 1 Dec | 1,008 | ±3.1%p | 35.5% | 34.6% | 4.9% | 6.0% | 1.6% | — | 17.4% | 0.9% |
| RealMeter | Hani | 29 Nov | 1,000 | ±3.1%p | 35.1% | 43.7% | 3.0% | 4.3% | 1.1% | — | 12.6% | 8.6% |
| PNR | Khan | 23–24 Nov | 1,011 | ±3.1%p | 37.1% | 43.9% | 3.8% | 3.8% | 0.4% | — | 5.7% | 6.8% |
| KSOI | Hani | 24 Nov | 1,000 | ±3.1%p | 39.5% | 40.0% | 4.5% | 4.0% | 1.1% | — | 10.8% | 0.5% |
| GET | R&Search | 23 Nov | 1,008 | ±3.1%p | 36.1% | 44.5% | 3.5% | 3.5% | 0.5% | 3.1% | 8.8% | 8.4% |
| Gallup Korea | Money Today | 22–23 Nov | 1,011 | ±3.1%p | 37.1% | 38.4% | 3.0% | 5.5% | 1.0% | — | 15.0% | 1.3% |
| PNR | New Daily | 19–20 Nov | 1,007 | ±3.1%p | 36.7% | 46.5% | 3.0% | 2.6% | 1.0% | — | 10.1% | 9.8% |
| Gallup Korea | Chosun Ilbo | 16–18 Nov | 1,000 | ±3.1%p | 31.0% | 42.0% | 5.0% | 7.0% | — | — | 15.0% | 11.0% |
| ARC | ARC | 10–11 Nov | 1,006 | ±3.1%p | 34.6% | 47.4% | 2.1% | 3.7% | — | 2.9% | 9.5% | 12.8% |
| Realmeter | JoongBoo Daily | 9–10 Nov | 810 | ±3.4%p | 35.4% | 45.0% | 4.4% | 5.7% | 1.8% | — | 7.7% | 9.6% |
| PNR | New Daily | 5–6 Nov | 1,009 | ±3.1%p | 31.2% | 43.0% | 3.7% | 4.7% | 1.4% | — | 15.9% | 11.8% |
| KSOI | TBS | 5–6 Nov | 1,005 | ±3.1%p | 30.3% | 45.8% | 3.2% | 4.7% | 0.9% | — | 15.0% | 15.5% |
| For more information, visit the National Election Survey Deliberation Committee |||||||||||||

### Polling before nominees finalized

| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | DP | DP | DP | DP | DP | PPP | PPP | PPP | PPP | PP | Others | None / Undecided | Lead |
| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Jae-myung | Lee Nak-yeon | Choo Mi-ae | Chung Sye-kyun | Park Yong-jin | Yoon Suk Yeol | Choi Jae-hyung | Hong Jun-pyo | Yoo Seung-min | Ahn Cheol-soo | Others | None / Undecided | Lead |
| National Barometer Survey | National Barometer Survey | 4–6 Oct | 1,006 | ±3.1%p | 26% | 11% | 1% | | 0% | 17% | 1% | 15% | 2% | 2% | 3% Sim Sang-jung 1%Won Hui-ryong 1%Hwang Kyo-ahn 1%Others 1% | 15% | 9% |
| Korea Research International | MBC News | 25-26 Sep | 1,001 | ±3.1%p | 27.8% | 11.7% | 1.8% | | 0.5% | 17.2% | 1.1% | 16.3% | 2.9% | 0.9% | 3.9% Sim Sang-jung 0.9%Won Hui-ryong 0.9% | 15.8% | 10.6% |
| KSOI | TBS | 17–18 Sep | 1,004 | ±3.1%p | 23.6% | 13.7% | 2.9% | — | 0.8% | 28.8% | 1.6% | 15.4% | 2.9% | 2.4% | 3.4% Sim Sang-jung 2.1% | 4.6% | 5.2% |
| National Barometer Survey | National Barometer Survey | 13–15 Sep | 1,007 | ±3.1%p | 28% | 11% | 2% | | 0% | 20% | 1% | 14% | 2% | 2% | 3% Sim Sang-jung 1%Won Hui-ryong 1%Others 1% | 15% | 8% |
| KSOI | TBS | 3–4 Sep | 1,003 | ±3.1%p | 28.0% | 11.7% | 2.5% | — | 0.8% | 26.4% | 4.1% | 13.6% | 3.7% | 1.6% | 2.5% Sim Sang-jung 1.4% | 4.9% | 1.6% |
| Gallup Korea | Gallup Korea | 31 Aug – 2 Sep | 1,000 | ±3.1%p | 24% | 8% | 1% | 1% | — | 19% | 2% | 6% | 2% | 2% | 3% | 32% | 5% |
| National Barometer Survey | National Barometer Survey | 30 Aug – 1 Sep | 1,012 | ±3.1%p | 25% | 10% | 2% | 1% | 1% | 19% | 2% | 10% | 2% | 3% | 4% Sim Sang-jung 1%Won Hui-ryong 1%Others 1% | 21% | 6% |
| KSOI | TBS | 27–28 Aug | 1,015 | ±3.1%p | 29.1% | 13.6% | 3.0% | — | 0.7% | 27.4% | 2.3% | 9.4% | 3.4% | 2.6% | 3.4% Sim Sang-jung 1.6% | 5.0% | 1.7% |
| RnSearch | Gyeonggi Shinmun | 25–26 Aug | 1,010 | ±3.1%p | 27.2% | 15.1% | 1.8% | 1.8% | 0.6% | 26.8% | 3.7% | 8.2% | 3.2% | 2.3% | 3.2% Others 3.2% | 6.0% | 0.4% |
| National Barometer Survey | National Barometer Survey | 23–25 Aug | 1,004 | ±3.1%p | 26% | 9% | 1% | 1% | 0% | 20% | 2% | 7% | 2% | 3% | 5% Sim Sang-jung 2%Won Hui-ryong 1%Others 1% | 25% | 6% |
| Realmeter | JTBC | 21–22 Aug | 1,004 | ±3.1%p | 27.7% | 14.1% | 2.9% | 2.2% | 0.3% | 30.4% | 5.0% | 6.8% | 2.6% | 1.5% | 3.3% Others 3.3% | 3.3% | 2.7% |
| KSOI | TBS | 20–21 Aug | 1,007 | ±3.1%p | 26.8% | 12.4% | 3.3% | 0% | 0.4% | 29.8% | 5.1% | 8.4% | 3.6% | 1.5% | 4.1% Others 4.1% | 4.5% | 3% |
| National Barometer Survey | National Barometer Survey | 16–18 Aug | 1,010 | ±3.1%p | 26% | 10% | 2% | 1% | 0% | 19% | 3% | 4% | 2% | 3% | 3% Sim Sang-jung 1%Won Hui-ryong 2%Others 0% | 25% | 7% |
| Korea Research International | MBC News | 16–17 Aug | 1,002 | ±3.1%p | 29.8% | 10.6% | 1.4% | 1.0% | 0.5% | 19.5% | 3.9% | 5.3% | 2.8% | 2.8% | 3.9% Sim Sang-jung 1.2%Won Hui-ryong 0.8% | 18.5% | 10.3% |
| Next Research | SBS News | 13–14 Aug | 1,004 | ±3.1%p | 23.2% | 10.6% | 2.7% | 1.0% | 0.3% | 21.7% | 3.2% | 7.0% | 2.3% | 2.5% | 3.2% Sim Sang-jung 1.3%Won Hui-ryong 1.3% | 22.3% | 1.5% |
| KSOI | TBS | 13–14 Aug | 1,007 | ±3.1%p | 26.2% | 12.9% | 4.0% | 1.8% | 0.8% | 30.6% | 0% | 7.3% | 3.4% | 2.4% | 5.2% Others 5.2% | 5.4% | 4.4% |
| Hankook Research | KBS News | 12–14 Aug | 1,000 | ±3.1%p | 25.6% | 11.0% | 2.1% | 0.9% | 0.4% | 18.1% | 4.4% | 4.8% | 2.3% | 2.4% | 5.8% Sim Sang-jung 1.5%Won Hui-ryong 1.0%Hwang Kyo-ahn 0.6%Ha Tae-kyoung 0.5%Kim Du-kwan 0.4%Others 1.8% | 22.2% | 7.5% |
| Media Research | OBS | 11–12 Aug | 1,000 | ±3.1%p | 26.6% | 17.0% | 3.5% | 1.7% | 0.4% | 26.4% | 5.6% | 4.6% | 2.8% | 1.9% | 4% Sim Sang-jung 0.2%Won Hui-ryong 0.5% | 5.5% | 0.2% |
| National Barometer Survey | National Barometer Survey | 9–11 Aug | 1,017 | ±3.1%p | 23% | 12% | 2% | 1% | 0% | 19% | 3% | 5% | 2% | 3% | 2% Sim Sang-jung 1%Won Hui-ryong 1% | 27% | 4% |
| Realmeter | Oh My News | 9–10 Aug | 2,031 | ±2.2%p | 25.9% | 12.9% | 2.9% | 2.1% | 1.1% | 26.3% | 6.1% | 5.4% | 2.4% | 2.3% | 7.6% Sim Sang-jung 1.1%Others 6.5% | 5.0% | 0.4% |
| KSOI | TBS | 6–7 Aug | 1,004 | ±3.1%p | 28.4% | 16.2% | 3.2% | 1.3% | 0.3% | 28.3% | 6.1% | 4.2% | 3.5% | 2.5% | 2.0% Others 2.0% | 3.9% | 0.1% |
| Gallup Korea | Gallup Korea | 3–5 Aug | 1,001 | ±3.1%p | 25% | 11% | 1% | 1% | — | 19% | 4% | 2% | — | 1% | 3% | 29% | 6% |
| National Barometer Survey | National Barometer Survey | 2–4 Aug | 1,003 | ±3.1%p | 28% | 10% | 2% | 1% | 0% | 22% | 3% | 4% | 1% | 2% | 4% Sim Sang-jung 1%Won Hui-ryong 1%Hwang Kyo-ahn 1%Others 1% | 23% | 6% |
| KSOI | TBS | 30–31 Jul | 1,013 | ±3.1%p | 27.4% | 16.0% | 3.9% | 1.2% | 0.7% | 32.3% | 5.8% | 4.1% | 2.4% | 2.2% | 1.6% Others 1.6% | 2.4% | 4.9% |
| 30 July 2021 | 30 July 2021 | 30 July 2021 | 30 July 2021 | 30 July 2021 | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party | Yoon Suk Yeol joins the People Power Party |
| National Barometer Survey | National Barometer Survey | 26–28 Jul | 1,003 | ±3.1%p | 25% | 12% | 1% | 1% | 0% | 19% | 3% | 3% | 2% | 1% | 2% Sim Sang-jung 1%Won Hui-ryong 1% | 28% | 6% |
| Hangil Research | Kukinews | 24–26 Jul | 1,006 | ±3.1%p | 23.7% | 15.8% | 5.2% | — | — | 29.8% | — | 4.4% | 3.5% | — | 6.7% Others 6.7% | 10.8% | 6.1% |
| WinG Korea | Asia Business | 24–25 Jul | 1,008 | ±3.1%p | 28.6% | 16.9% | 3.4% | 2.4% | 0.9% | 24.3% | 5.9% | 5% | 2.6% | 2% | 3.5% Won Hui-ryong 1.4%Park Yong-jin 0.7%Others 4.8% | 5.5% | 4.3% |
| KSOI | TBS | 23–24 Jul | 1,006 | ±3.1%p | 26% | 18.2% | 2.5% | 2.3% | 0.8% | 26.9% | 8.1% | 4.7% | 2.8% | 2% | 2.3% Others 1.0% | 4.9% | 0.9% |
| National Barometer Survey | National Barometer Survey | 19–21 Jul | 1,005 | ±3.1%p | 27% | 14% | 2% | 1% | 0% | 19% | 3% | 4% | 2% | 3% | 4% Sim Sang-jung 2%Won Hui-ryong 1%Hwang Kyo-ahn 0%Others 1% | 26% | 8% |
| KRi | MBC News | 17–18 Jul | 1,015 | ±3.1%p | 27.1% | 14.6% | 2.9% | 1.3% | | 19.7% | 4.8% | 3.9% | 1.1% | 2.8% | 5.5% Won Hee-ryong 1.5%Kim Du-kwan 1.0%Kim Dong-yeon 0.9%Others 2.1% | 2.4% | 7.4% |
| Realmeter | JTBC | 17–18 Jul | 1,000 | ±3.1%p | 23.8% | 20.1% | 4.5% | 6.4% | 0.9% | 22% | 6% | 4.6% | 2% | 1.7% | 5.5% Won Hee-ryong 1.5%Kim Du-kwan 1.0%Kim Dong-yeon 0.9%Others 2.1% | 2.4% | 1.8% |
| KSOI | TBS | 16–17 Jul | 1,013 | ±3.1%p | 25.4% | 19.3% | 3.4% | — | 0.9% | 30.3% | 5.6% | 3.3% | 2.3% | 2.2% | 2.3% Sim Sang-jung 1.2%Others 1.1% | 4.9% | 4.9% |
| 15 July 2021 | 15 July 2021 | 15 July 2021 | 15 July 2021 | 15 July 2021 | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party | Choi Jae-hyung joins the People Power Party |
| National Barometer Survey | National Barometer Survey | 12–14 Jul | 1,016 | ±3.1%p | 26% | 14% | 3% | 1% | 0% | 20% | 3% | 4% | 2% | 2% | 4% Sim Sang-jung 2%Hwang Kyo-ahn 1%Won Hui-ryong 0%Kim Du-kwan 0%Ha Tae-kyoung 0%Others 1% | 22% | 6% |
| HRI | Seoul Shinmun | 12–14 Jul | 1,208 | ±2.83%p | 27.2% | 16% | 2.9% | 2.6% | — | 26.8% | 5.1% | 4% | 3.1% | 2% | 0.3% | 9.8% | 0.4% |
| NEXT | SBS News | 12–13 Jul | 1,001 | ±3.1%p | 25.1% | 12% | 3.8% | 1.4% | — | 24.5% | 3.2% | 4.2% | 1.9% | 2.2% | 2.7% Sim Sang-jung 1.2%Kim Du-kwan 0.3%Others 0.4% | 19% | 0.6% |
| Jowon C&I | Straight News | 10–12 Jul | 1,000 | ±3.1%p | 27.4% | 16.4% | 5% | 2.8% | 1.1% | 28.9% | 3.6% | 4.8% | 2.6% | 2.7% | '1.9% | 2.9% | 1.5% |
| WinG Korea | Asia Business | 10–11 Jul | 1,011 | ±3.1%p | 25.8% | 16.4% | 4.7% | 3% | 1.3% | 26.4% | 4.1% | 4.8% | 3.2% | 2.1% | 2.9% Won Hui-ryong 1.3%Ha Tae-kyoung 0.5%Others 1.1% | 5.2% | 0.6% |
| KSOI | TBS | 9–10 Jul | 1,014 | ±3.1%p | 26.9% | 18.1% | 4.2% | 1.7% | — | 29.9% | 2.5% | 4.1% | 4.5% | 2.1% | 1.9% Sim Sang-jung 0.9%Others 1.0% | 3.9% | 3% |
| KSOI | TBS | 6–8 Jul | 1,400 | ±3.1%p | 28.4% | 16.2% | 3.2% | 1.3% | 0.3% | 28.3% | 6.1% | 4.2% | 3.5% | 2.5% | 2.0% Others 2.0% | 3.9% | 0.1% |
| National Barometer Survey | National Barometer Survey | 5–7 Jul | 1,005 | ±3.1%p | 27% | 10% | 2% | 2% | 0% | 21% | — | 4% | 2% | 2% | 4% Sim Sang-jung 2%Won Hui-ryong 1%Hwang Kyo-ahn 0%Others 1% | 26% | 6% |
| KIR | News Phim | 5 Jul | 1,012 | ±3.1%p | 29% | 11.8% | 3.7% | 2.4% | 0.5% | 31.6% | 2.4% | 4.1% | 2.6% | 2.4% | 4.5% Yoon Hui-sook 1.8%Won Hui-ryong 0.9%Ha Tae-kyoung 0.5%Lee Kwang-jae 0.4%Others 0.9% | 5.1% | 2.6% |
| Realmeter | JTBC | 3–4 Jul | 1,015 | ±3.1%p | 26.3% | 12.5% | 6.4% | 1.7% | 0.4% | 33.9% | 2.5% | 4.7% | 2.3% | 1.8% | 4.4% Kim Du-kwan 0.4%Won Hui-ryong 0.5%Yoon Hui-sook 2.1%Lee Kwang-jae 0.8%Others 0.6% | 3.2% | 7.6% |
| PNR | Money Today/Mirae Hankook | 3 Jul | 1,001 | ±3.1%p | 26.2% | 13.7% | 4.1% | 3.2% | 0.8% | 36.1% | 2.5% | 4.6% | 2.5% | 3.1% | 3.1% Sim Sang-jung 0.5%Others 2.6% | 3.2% | 9.9% |
| KSOI | TBS | 2–3 Jul | 1,002 | ±3.1%p | 30.3% | 12.2% | 3.9% | 2.6% | 0.5% | 31.4% | 3.2% | 3.9% | 2.3% | 3.1% | 1.3% | 5.5% | 1.1% |
| Global Research | Global Research | 30 Jun–2 Jul | 1,000 | ±3.1%p | 26.5% | 9.4% | 2.4% | 1.8% | 0.4% | 25% | 2.4% | 3.6% | 2.9% | 1.8% | 2.3% Hwang Kyo-ahn 0.7%Sim Sang-jung 0.6%Others 1.0% | 21.5% | 1.5% |
| Gallup Korea | Gallup Korea | 29 Jun–1 Jul | 1,000 | ±3.1%p | 24% | 6% | 2% | 2% | — | 25% | 2% | 2% | — | 1% | 3% | 32% | 1% |
| National Barometer Survey | National Barometer Survey | 28–30 Jun | 1,007 | ±3.1%p | 27% | 9% | 3% | 1% | 1% | 21% | — | 3% | 2% | 3% | 6% Hwang Kyo-ahn 1%Sim Sang-jung 1%Won Hui-ryong 1%Lee Kwang-jae 1%Others 2% | 27% | 6% |
| Jowon C&I | Ilyo Shinmun | 27–29 Jun | 1,046 | ±3%p | 23.7% | 8.4% | 4.8% | 3.4% | 1.3% | 34.3% | 5.6% | 6.1% | 2.7% | 3.9% | 2.4% | 3.4% | 10.6% |
| WinG Korea | Asia Business | 26–27 Jun | 1,009 | ±3.1%p | 26.6% | 9.5% | 5.1% | 2.2% | 0.9% | 30.7% | 3.3% | 5.7% | 4.1% | 2.7% | 3.5% Lee Kwang-jae 1.2%Ma Kyoung-won 1.0%Others 1.3% | 5.5% | 4.1% |
| PNR | Money Today/Mirae Hankook | 26 Jun | 1,002 | ±3.1%p | 25.5% | 13% | 5.5% | 2.6% | 0.3% | 32.7% | 3.7% | 6.1% | 3.1% | — | 3.2% Sim Sang-jung 0.9%Others 2.3% | 4.5% | 7.2% |
| KSOI | TBS | 25–26 Jun | 1,004 | ±3.1%p | 28.4% | 11.5% | 4.7% | — | 0.7% | 32.4% | — | 6.4% | 3.1% | 2.1% | 6% Oh Se-hoon 1.5%Sim Sang-jung 1.5%Others 3.0% | 4.6% | 4% |
| 24 June 2021 | 24 June 2021 | 24 June 2021 | 24 June 2021 | 24 June 2021 | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) | Hong Jun-pyo rejoined the PPP (formerly the United Future Party) |
| National Barometer Survey | National Barometer Survey | 21–23 Jun | 1,006 | ±3.1%p | 27% | 7% | 2% | 2% | 0% | 20% | — | 3% | 1% | 3% | 4% Hwang Kyo-ahn 1%Sim Sang-jung 1%Others 2% | 30% | 7% |
| Realmeter | Oh My News | 21–22 Jun | 2,014 | ±2.2%p | 22.8% | 8.4% | 3.9% | 3% | 0.7% | 32.3% | 3.6% | 4.1% | 3% | 2.6% | 8.9% Oh Se-hoon 3.2%Sim Sang-jung 0.9%Lee Kwang-jae 1.7%Choi Moon-soon 1.0%Ha Tae-kyoung 0.7%Others 1.4% | 6.7% | 9.5% |
| Realmeter | JTBC | 19–20 Jun | 1,028 | ±3.1%p | 29.3% | 11.5% | 3.9% | 2.5% | 0.6% | 32% | 3.7% | 4.4% | 2.4% | 2.4% | 2.1% Kim Dong-yeon 0.8%Others 1.3% | 5.2% | 2.7% |
| PNR | Money Today/Mirae Hankook | 19 Jun | 1,003 | ±3.1%p | 27.2% | 13% | — | 4.7% | — | 33.9% | 4.5% | 4.3% | — | 3.1% | 5.2% Sim Sang-jung 1.8%Others 3.4% | 4.2% | 6.7% |
| KSOI | TBS | 18–19 Jun | 1,004 | ±3.1%p | 25% | 12.2% | 2.7% | — | 0.9% | 38% | — | 4% | 3.1% | 1.7% | 7.1% Oh Se-hoon 3.3%Sim Sang-jung 1.4%Others 2.4% | 5.5% | 13% |
| KIR | News Phim | 18 Jun | 1,012 | ±3.1%p | 27.2% | 8.4% | — | 4% | 0.8% | 36.7% | — | 4.7% | 2.6% | 3.6% | 6.7% Won Hui-ryong 0.6%Ha Tae-kyoung 1.3%Lee Kwang-jae 2.1%Kim Du-kwan 1.0%Others 1.7% | 5.4% | 9.5% |
| National Barometer Survey | National Barometer Survey | 14–16 Jun | 1,004 | ±3.1%p | 25% | 7% | 1% | 1% | 0% | 24% | — | 2% | 1% | 3% | 3% Sim Sang-jung 1%Won Hui-ryong 1%Hwang Kyo-ahn 0%Lee Kwang-jae 0%Others 1% | 32% | 1% |
| WinG Korea | Asia Business | 12–13 Jun | 1,017 | ±3.1%p | 28.3% | 10% | — | 2.1% | 1.2% | 33.3% | 2.7% | 3.9% | 2.7% | 3.2% | 4.9% Lee Kwang-jae 1.4%Won Hui-ryong 1.1%Choi Moon-soon 0.5%Others 1.9% | 7.5% | 5% |
| PNR | Money Today/Mirae Hankook | 12 Jun | 1,003 | ±3.1%p | 26.2% | 12.3% | — | 2.6% | — | 39.1% | — | 5.9% | — | 2.7% | 5.2% Sim Sang-jung 1.2%Others 3.7% | 6.3% | 12.9% |
| KSOI | TBS | 11–12 Jun | 1,007 | ±3.1%p | 27.7% | 12.6% | 2.2% | 1.8% | — | 35.5% | — | 4.1% | 1.4% | 2.6% | 6.8% Oh Se-hoon 2.8%Sim Sang-jung 2.3%Others 1.7% | 7.5% | 7.8% |
| National Barometer Survey | National Barometer Survey | 7–9 Jun | 1,010 | ±3.1%p | 24% | 7% | 1% | 2% | 0% | 24% | — | 3% | 2% | 3% | 3% Sim Sang-jung 1%Lee Kwang-jae 1%Hwang Kyo-ahn 0%Won Hui-ryong 0%Others 1% | 30% | Tie |
| KSOI | TBS | 5–6 Jun | 1,009 | ±3.1%p | 26.1% | 10.2% | 4% | 3.5% | — | 31.1% | — | 3.5% | 3% | 2.5% | 6.8% Oh Se-hoon 4.0%Sim Sang-jung 1.8%Others 1.9% | 8.3% | 5% |
| PNR | Money Today/Mirae Hankook | 5 Jun | 1,002 | ±3.1%p | 25.7% | 13.8% | — | 3.7% | — | 35.7% | — | 5.4% | 4.1% | 2.5% | 5.6% Sim Sang-jung 2.0%Others 3.6% | 5.9% | 10% |
| Gallup Korea | Gallup Korea | 1–3 Jun | 1,002 | ±3.1%p | 24% | 5% | — | 1% | — | 21% | — | 2% | — | 3% | 11% Lee Jun-seok 3.0%Oh Se-hoon 2.0%Others 6% | 36% | 3% |
| National Barometer Survey | National Barometer Survey | 31 May–2 Jun | 1,008 | ±3.1%p | 28% | 9% | 1% | 2% | 0% | 20% | — | 3% | 1% | 3% | 5% Sim Sang-jung 1%Lee Kwang-jae 1%Hwang Kyo-ahn 2%Won Hui-ryong 0%Kim Boo-kyum 0%Others 1% | 28% | 8% |
| Jowon C&I | Ilyo Shinmun | 30 May–1 Jun | 1,003 | ±3.1%p | 26.4% | 11.3% | — | 3% | 0.5% | 28.7% | 3.9% | 5.8% | 2.1% | 3.6% | 11.4% Na Kyoung-won 2.6%Sim Sang-jung 1.8%Kim Dong-yeon 1.7%Kim Du-kwan 1.3%Lee Kwang-jae 1.8%Yang Seung-jo 0.8%Won Hui-ryong 0.5%Others 0.9% | 4.1% | 2.3% |
| For more information, visit the National Election Survey Deliberation Committee ||||||||||||||||||

### Hypothetical polling
#### Lee Jae-myung vs. Yoon Suk Yeol

| Polling firm / Client | Polling firm / Client | Fieldwork date | Sample size | Margin of error | Lee Jae-myung | Yoon Suk Yeol | Others/ Undecided | Lead |
| RnSearch | Gyeonggi Shinmun | 3–4 Sep | 1,017 | ±3.1%p | 34.3% | 37.0% | 28.7% | 2.7% |
| National Barometer Survey | National Barometer Survey | 30 Aug – 1 Sep | 1,012 | ±3.1%p | 42% | 35% | 23% | 7% |
| RnSearch | Gyeonggi Shinmun | 25–26 Aug | 1,010 | ±3.1%p | 34.1% | 38.8% | 27.0% | 4.7% |
| National Barometer Survey | National Barometer Survey | 23–25 Aug | 1,004 | ±3.1%p | 40% | 34% | 27% | 6% |
| Realmeter | Oh My News | 23–24 Aug | 2,015 | ±2.2%p | 36.3% | 42.5% | 21.2% | 6.2% |
| Jowon C&I | Straight News | 21–23 Aug | 1,004 | ±3.1%p | 35.6% | 41.7% | 22.6% | 6.1% |
| Hangil Research | Polinews | 21–23 Aug | 1,004 | ±3.1%p | 37.0% | 42.6% | 20.5% | 5.6% |
| Realmeter | JTBC | 21–22 Aug | 1,004 | ±3.1%p | 39.4% | 42.6% | 18.0% | 3.2% |
| Gallup Korea | Gallup Korea | 17–19 Aug | 1,001 | ±3.1%p | 46% | 34% | 19% | 12% |
| National Barometer Survey | National Barometer Survey | 16–18 Aug | 1,010 | ±3.1%p | 43% | 35% | 23% | 8% |
| Korea Research International | MBC News | 16–17 Aug | 1,002 | ±3.1%p | 44.7% | 35.3% | 19.9% | 9.4% |
| Next Research | SBS News | 13–14 Aug | 1,004 | ±3.1%p | 36.9% | 35.4% | 27.6% | 1.5% |
| Hankook Research | KBS News | 12–14 Aug | 1,000 | ±3.1%p | 44.2% | 36.9% | 18.9% | 7.3% |
| National Barometer Survey | National Barometer Survey | 9–11 Aug | 1,017 | ±3.1%p | 41% | 33% | 27% | 8% |
| PNR | New Daily | 10 Aug | 1,011 | ±3.1%p | 35.4% | 42.4% | 22.2% | 7% |
| Realmeter | Oh My News | 9–10 Aug | 2,031 | ±2.2%p | 35.9% | 42.1% | 22.0% | 6.2% |
| Jowon C&I | Straight News | 7–9 Aug | 1,003 | ±3.1%p | 38.1% | 38.4% | 23.6% | 0.3% |
| WinG Korea | Asia Business | 7–8 Aug | 1,006 | ±3.1%p | 41.8% | 41.3% | 16.9% | 0.5% |
| National Barometer Survey | National Barometer Survey | 2–4 Aug | 1,003 | ±3.1%p | 42% | 35% | 23% | 7% |
| Jowon C&I | Ilyo Shinmun | 1–3 Aug | 1,000 | ±3.1%p | 35.7% | 42.5% | 21.9% | 6.8% |
| Realmeter | News the One | 28–29 Jul | 1,003 | ±3.1%p | 36.1% | 46.6% | 17.3% | 10.5% |
| RnSearch | MBN/Maeil Business | 26–28 Jul | 1,102 | ±3%p | 34.6% | 38.3% | 27.2% | 3.7% |
| Jowon C&I | Straight News | 24–26 Jul | 1,001 | ±3.1%p | 38% | 40.2% | 21.8% | 2.2% |
| Hangil Research | Kukinews | 24–26 Jul | 1,006 | ±3.1%p | 36.9% | 41.1% | 21.9% | 4.2% |
| National Barometer Survey | National Barometer Survey | 19–21 Jul | 1,003 | ±3.1%p | 46% | 33% | 20% | 13% |
| KRi | MBC News | 17–18 Jul | 1,015 | ±3.1%p | 43% | 41% | 16% | 2% |
| Realmeter | JTBC | 17–18 Jul | 1,000 | ±3.1%p | 44% | 34.9% | 18.6% | 9.1% |
| Realmeter | Seoul Shinmun | 12–14 Jul | 1,208 | ±2.83%p | 48.9% | 43% | 8.1% | 5.9% |
| RnSearch | MBN/Maeil Business | 12–14 Jul | 1,060 | ±3%p | 33.7% | 37.9% | 28.4% | 4.2% |
| Realmeter | Oh My News | 12–13 Jul | 2,036 | ±2.2%p | 38.6% | 39.4% | 22% | 0.8% |
| NEXT | SBS News | 12–13 Jul | 1,001 | ±3.1%p | 36.9% | 34% | 29.1% | 2.9% |
| Hangil Research | Kukinews | 10–12 Jul | 1,001 | ±3.1%p | 43.9% | 36% | 20.1% | 7.9% |
| WinG Korea | Asia Business | 10–11 Jul | 1,011 | ±3.1%p | 41.5% | 42.2% | 16.3% | 0.7% |
| National Barometer Survey | National Barometer Survey | 5–7 Jul | 1,005 | ±3.1%p | 43% | 33% | 24% | 9% |
| Realmeter | JTBC | 3–4 Jul | 1,015 | ±3.1%p | 39.4% | 43.6% | 17% | 4.2% |
| PNR | Money Today/Mirae Hankook | 3 Jul | 1,001 | ±3.1%p | 41.8% | 49.8% | 9.4% | 8% |
| RnSearch | MBN/Maeil Business | 28–30 Jun | 1,000 | ±3%p | 34.7% | 41.4% | 24.9% | 6.7% |
| Jowon C&I | Ilyo Shinmun | 27–29 Jun | 1,000 | ±3.1%p | 33.1% | 44.9% | 22.1% | 11.8% |
| WinG Korea | Asia Business | 26–27 Jun | 1,009 | ±3.1%p | 40.5% | 48.7% | 10.8% | 8.2% |
| PNR | Money Today/Mirae Hankook | 26 Jun | 1,002 | ±3.1%p | 40.5% | 50.5% | 9% | 10% |
| Realmeter | Oh My News | 21–22 Jun | 2,014 | ±2.2%p | 35.1% | 47.7% | 17.3% | 12.6% |
| For more information, visit the National Election Survey Deliberation Committee |||||||||