Opinion polling for the 2020 South Korean legislative election

In the run up to the 2020 South Korean legislative election, various organisations carried out opinion polling to gauge voting intention in South Korea. Results of such polls are displayed in this article.

Opinion polls

Campaign period

Constituency votes Polling firm Fieldwork date Samplesize DP UFP MP JP ORP MP PNP KEP Others Lead Gallup 7 - 8 Apr 2020 1,000 – 44 23 0.7 6 0.7 0.6 0.3 - 1 21 Realmeter 6 - 8 Apr 2020 1,509 – 42.6 30.2 2.6 4.9 1.1 1.6 2.0 1.7 1.5 12.4 Realmeter 30 Mar - 3 Apr 2020 2,521 – 43.2 28.8 2.2 5.4 1.4 1.4 1.7 1.3 1.6 14.4 Gallup 31 Mar - 2 Apr 2020 1,002 – 41 23 0.1 4 0.5 0.3 0.3 - 1 18 C&I 28-30 Mar 2020 1,000 – 44.7 33.3 1.3 4.5 1.6 2 1.9 - 3.7 11.4 Research&Research 28-29 Mar 2020 1,001 – 38 25.3 0.9 3.4 2 1 - - 4.2 12.7

Proportional votes Polling firm Fieldwork date Samplesize PlP FKP MP JP ORP MP PP PNP ODP KEP Others Lead Gallup 7 - 8 Apr 2020 1,000 – 23 22 2.6 13 1 - 6 - 8 - 2 1 Realmeter 6 - 8 Apr 2020 1,509 – 24.2 27.8 3 8.1 1 1.4 5.3 2.4 12.3 1.7 2.7 3.6 Ipsos 4 - 6 Apr 2020 1,004 – 23.2 24.2 1.2 12.5 1.5 - 7.4 - 8.6 - - 1 Realmeter 30 Mar - 3 Apr 2020 2,521 – 21.7 25.0 2.8 8.5 1.9 1.6 4.7 2.1 14.4 1.6 3.2 3.3 Gallup 31 Mar - 2 Apr 2020 1,002 – 21 23 2 11 1 - 5 - 10 - 2 2 Realmeter 30 Mar - 1 Apr 2020 1,514 – 20.8 25.1 2.9 8.2 2 1.2 5.1 1.8 14.3 2.0 3.2 4.3 C&I 28-30 Mar 2020 1,000 – 22.5 31.9 2.4 7.7 2.2 1.8 5.3 1.6 15.5 - 3.4 9.4 Research&Research 28-29 Mar 2020 1,001 – 16.5 21.8 0.9 8.5 1.3 - 3.4 - 9 - 1.1 5.3 Realmeter 23-27 Mar 2020 2,531 – 29.8 27.4 2.2 5.9 2 1.2 4.3 2.3 11.7 - 2.5 2.4

Pre-campaign period 2020 Date(s) Conducted Polling firm DP UFP MP JP ORP MP PP PNP ODP Others Undecided Lead24-26 March Gallup Korea 37 22 0 5 1 4 2 2 27 1523-27 March Realmeter 44.6 30.0 1.8 4.6 1.8 1.0 3.3 1.6 2.8 8.4 14.6 Date(s) Conducted Polling firm DP UFP MP JP LRP MP PP PNP ODP Others Undecided Lead17-19 March Gallup Korea 38 23 1 4 1 4 1 1 28 1516-20 March Realmeter 42.1 33.6 1.4 3.7 1.4 1.3 4.0 2.1 1.9 8.6 8.510-12 March Gallup Korea 39 22 0 6 1 3 1 28 179-13 March Realmeter 41.5 32.1 2.1 4.3 2.4 1.2 3.9 1.6 10.9 9.4 Date(s) Conducted Polling firm DP UFP MP JP ORP MP PP Others Undecided Lead3-5 March Gallup Korea 36 22 1 6 2 2 31 142-6 March Realmeter 41.7 31.2 4.1 4.9 1.6 0.8 4.7 1.3 9.7 10.525-27 February Gallup Korea 37 21 1 6 2 1 33 1625-28 February Realmeter 41.0 31.0 4.1 4.3 1.6 1.0 1.7 1.7 13.6 10.0 Date(s) Conducted Polling firm DP UFP Bareunmirae NA JP PDP ORP MP PP Others Undecided Lead18-20 February Gallup Korea 36 23 4 7 2 1 27 1317-21 February Realmeter 40.5 33.7 3.0 1.3 4.1 2.2 1.5 1.0 2.3 0.9 9.5 6.8 Date(s) Conducted Polling firm DP LKP Bareunmirae NCP NA JP PDP ORP MP Others Undecided Lead11-13 February Gallup Korea 37 21 3 3 5 4 1 27 1610-14 February Realmeter 39.9 32.0 2.6 3.9 0.9 4.8 1.5 1.2 1.3 0.8 11.1 7.9

2019 Date(s) Conducted Polling firm Democratic Liberty Korea Bareunmirae Democracy and Peace Justice Others Lead19–21 MarchGallup Korea37 21 7 1 9 1 1618–20 MarchRealmeter39.9 31.9 4.9 2.3 7.3 1.5 8.011–15 MarchRealmeter36.6 31.7 5.9 2.1 6.9 1.7 4.912–14 MarchGallup Korea39 22 7 1 7 1 174–8 MarchRealmeter37.2 30.4 6.2 2.1 7 1.6 6.85–7 MarchGallup Korea39 20 7 1 8 0 1926–28 FebruaryGallup Korea38 20 7 1 8 0 1825–28 FebruaryRealmeter38.3 28.8 7.3 2.7 6.9 1.8 9.519–21 FebruaryGallup Korea40 19 6 1 9 1 2118–22 FebruaryRealmeter40.4 26.8 6.6 3.2 7.1 1.5 13.612–14 FebruaryGallup Korea40 19 8 1 8 1 2111–15 FebruaryRealmeter40.3 25.2 6 2.8 7 1.6 15.17–8 FebruaryRealmeter38.9 28.9 6.8 2.9 6.2 1.9 1029–31 JanuaryGallup Korea39 21 6 1 9 0 1828 January – 1 FebruaryRealmeter38.2 27.4 6.3 2.5 7.2 2.3 10.821–25 JanuaryRealmeter38.7 26.7 5.5 3.1 8.1 2 1215–17 JanuaryGallup Korea40 16 8 1 8 0 2414–18 JanuaryRealmeter39.8 24.3 6.3 2.7 7.5 2 15.58–10 JanuaryGallup Korea40 16 7 1 9 0 247–11 JanuaryRealmeter40.1 23.9 6.4 2.2 9.1 2.2 16.2

2018 Date(s) Conducted Polling firm Democratic Liberty Korea Bareunmirae Democracy and Peace Justice Others Lead15–17 OctoberRealmeter42.3 20 6.6 3.1 9.8 2.2 22.32–4 OctoberGallup Korea 48 11 7 1 9 1 3728–30 SeptemberResearchView 48 18 7 2 8 2 3023 September R&Search 42.5 17.7 7.1 3 9.1 2.8 24.811–13 SeptemberGallup Korea 40 11 8 0.5 12 0 283–4 SeptemberResearch&Research 41.3 12.6 7 0.5 10 2.4 28.727–31 AugustRealmeter 41.4 18.8 6.6 2.8 11.8 2.1 22.621–23 AugustGallup Korea 42 11 5 1 15 1 2713–17 AugustRealmeter 39.6 19.9 7.3 2.4 13.3 1.7 19.74–5 AugustResearchView 41.9 15.8 6.6 1.2 17 2.4 24.931 July – 2 AugustGallup Korea 41 11 5 1 15 0 2623–27 JulyRealmeter 44 18.6 7 2.9 12.5 1.6 25.410–12 JulyGallup Korea 49 10 6 0.3 10 0 399–11 JulyRealmeter 44.3 16.8 6.3 2.8 12.4 2.6 27.52–6 JulyRealmeter 47.5 18.3 5.8 2.9 10.4 2.6 29.230 June – 1 JulyResearchView 48 20 5 4 12 4 2826–28 JuneGallup Korea 52 10 5 1 9 1 4225–27 JuneRealmeter 47.8 18.3 5.3 2.3 10.1 2.6 29.518–20 JuneRealmeter 53.6 17.4 5.2 2.7 7.9 1.9 36.213 June2018 local elections28 May – 1 JuneRealmeter 52.2 19.8 5.6 2.9 6.3 1.9 32.423–24 MayGallup Korea53 13 5 1 4 0 4014–18 MayRealmeter 54.2 18.7 5.7 3.4 5.8 1.5 35.55–6 MayResearchView 55 20 7 2 6 2 3528–29 AprilKSOI 58.8 11 6.8 0.6 4.2 2 47.89–13 AprilRealmeter 50.4 21.9 5.7 3.3 4.2 1.9 28.526–30 MarchRealmeter 51.3 20.7 6.8 2.4 5.2 2.2 30.620–22 MarchGallup Korea 47 14 6 1 5 0 3326 February – 2 MarchRealmeter 50 19.7 6.8 3 4.5 2.6 30.320–22 FebruaryGallup Korea 48 11 8 1 6 1 3711–14 FebruaryKantar Public 47.9 14.9 8.1 1.6 5.6 1.3 335–9 FebruaryRealmeter 44.4 19.1 11 4.2 7 2.1 25.3

2016 to 2017 Date(s) Conducted Polling firm Democratic Liberty Korea People Bareun Justice Others Lead18–22 DecemberRealmeter52.0 17.8 4.9 5.7 5.2 1.6 34.25–7 DecemberGallup Korea 46 11 5 8 5 0 3518–19 NovemberResearch & Research 49.0 11.8 5.5 6.3 5.4 0.8 37.2Realmeter 50.9 17.5 6.6 4.4 5.7 2.3 33.413–14 OctoberKSOI 49.7 12.2 6.9 5.2 5.6 1.7 37.518–20 SeptemberRealmeter 49.8 17.0 6.0 6.3 4.7 2.8 32.828–30 AugustRealmeter 52.2 16.8 6.2 6.5 6.0 1.7 35.44–6 JulyGallup Korea 50 14 4 8 6 0 3610–12 MayRealmeter 44.7 13.0 8.8 8.3 9.6 1.3 31.79 May2017 presidential election26 AprilResearch & Research38.8 12.9 20.3 5.7 6.3 0.3 18.511–13 AprilGallup Korea 41 9 24 4 4 0 1714 MarchHankook Research 39.4 10.5 9.3 4.8 5.2 2.9 28.910 MarchImpeachment of Park Geun-hye1–2 FebruaryRealmeter36.4 11.6 12.1 7.9 4.8 2.7 24.828–30 JanuaryJoWon C&I 36.9 12.3 11.9 8.8 5.0 3.0 24.610–12 JanuaryGallup Korea 41 12 10 7 3 0 2920162 November2016 South Korean political scandal begins24–26 OctoberRealmeter 30.5 26.5 14.4 – 4.5 3.9 4.026–30 SeptemberRealmeter 28.8 33.0 13.9 – 4.5 3.6 4.227–28 AugustResearchView 30.6 27.6 14.3 – 7.4 0.7 3.031 July – 1 AugustR&Search 23.0 33.5 11.8 – 5.6 – 10.528–30 JuneGallup Korea 23 30 14 – 6 0 730 May – 1 JuneRealmeter 29.8 30.1 17.7 – 7.6 2.9 0.319–21 AprGallup Korea 24 30 25 – 7 0 513 April 20162016 elections ()25.533.526.7-7.26.9 8.0 General notes Gallup Korea provides poll results only to the nearest whole number.