Opinion polling for the 2020 South Korean legislative election

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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[edit]

Campaign period[edit]

Constituency votes[edit]

Polling firm Fieldwork date Sample
size
Resp. 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[edit]

Polling firm Fieldwork date Sample
size
Resp. 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[edit]

2020[edit]

Date(s) Conducted Polling firm DP UFP MP JP ORP MP PP PNP ODP Others Undecided Lead
24-26 March Gallup Korea 37 22 0 5 1 4 2 2 27 15
23-27 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 Lead
17-19 March Gallup Korea 38 23 1 4 1 4 1 1 28 15
16-20 March Realmeter 42.1 33.6 1.4 3.7 1.4 1.3 4.0 2.1 1.9 8.6 8.5
10-12 March Gallup Korea 39 22 0 6 1 3 1 28 17
9-13 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 Lead
3-5 March Gallup Korea 36 22 1 6 2 2 31 14
2-6 March Realmeter 41.7 31.2 4.1 4.9 1.6 0.8 4.7 1.3 9.7 10.5
25-27 February Gallup Korea 37 21 1 6 2 1 33 16
25-28 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 Lead
18-20 February Gallup Korea 36 23 4 7 2 1 27 13
17-21 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 Lead
11-13 February Gallup Korea 37 21 3 3 5 4 1 27 16
10-14 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[edit]

Date(s) Conducted Polling firm Democratic Liberty Korea Bareunmirae Democracy and Peace Justice Others Lead
19–21 March Gallup Korea 37 21 7 1 9 1 16
18–20 March Realmeter 39.9 31.9 4.9 2.3 7.3 1.5 8.0
11–15 March Realmeter 36.6 31.7 5.9 2.1 6.9 1.7 4.9
12–14 March Gallup Korea 39 22 7 1 7 1 17
4–8 March Realmeter 37.2 30.4 6.2 2.1 7 1.6 6.8
5–7 March Gallup Korea 39 20 7 1 8 0 19
26–28 February Gallup Korea 38 20 7 1 8 0 18
25–28 February Realmeter 38.3 28.8 7.3 2.7 6.9 1.8 9.5
19–21 February Gallup Korea 40 19 6 1 9 1 21
18–22 February Realmeter 40.4 26.8 6.6 3.2 7.1 1.5 13.6
12–14 February Gallup Korea 40 19 8 1 8 1 21
11–15 February Realmeter 40.3 25.2 6 2.8 7 1.6 15.1
7–8 February Realmeter 38.9 28.9 6.8 2.9 6.2 1.9 10
29–31 January Gallup Korea 39 21 6 1 9 0 18
28 January – 1 February Realmeter 38.2 27.4 6.3 2.5 7.2 2.3 10.8
21–25 January Realmeter 38.7 26.7 5.5 3.1 8.1 2 12
15–17 January Gallup Korea 40 16 8 1 8 0 24
14–18 January Realmeter 39.8 24.3 6.3 2.7 7.5 2 15.5
8–10 January Gallup Korea 40 16 7 1 9 0 24
7–11 January Realmeter 40.1 23.9 6.4 2.2 9.1 2.2 16.2

2018[edit]

Date(s) Conducted Polling firm Democratic Liberty Korea Bareunmirae Democracy and Peace Justice Others Lead
15–17 October Realmeter 42.3 20 6.6 3.1 9.8 2.2 22.3
2–4 October Gallup Korea 48 11 7 1 9 1 37
28–30 September ResearchView 48 18 7 2 8 2 30
23 September R&Search 42.5 17.7 7.1 3 9.1 2.8 24.8
11–13 September Gallup Korea 40 11 8 0.5 12 0 28
3–4 September Research&Research 41.3 12.6 7 0.5 10 2.4 28.7
27–31 August Realmeter 41.4 18.8 6.6 2.8 11.8 2.1 22.6
21–23 August Gallup Korea 42 11 5 1 15 1 27
13–17 August Realmeter 39.6 19.9 7.3 2.4 13.3 1.7 19.7
4–5 August ResearchView 41.9 15.8 6.6 1.2 17 2.4 24.9
31 July – 2 August Gallup Korea 41 11 5 1 15 0 26
23–27 July Realmeter 44 18.6 7 2.9 12.5 1.6 25.4
10–12 July Gallup Korea 49 10 6 0.3 10 0 39
9–11 July Realmeter 44.3 16.8 6.3 2.8 12.4 2.6 27.5
2–6 July Realmeter 47.5 18.3 5.8 2.9 10.4 2.6 29.2
30 June – 1 July ResearchView 48 20 5 4 12 4 28
26–28 June Gallup Korea 52 10 5 1 9 1 42
25–27 June Realmeter 47.8 18.3 5.3 2.3 10.1 2.6 29.5
18–20 June Realmeter 53.6 17.4 5.2 2.7 7.9 1.9 36.2
13 June 2018 local elections
28 May – 1 June Realmeter 52.2 19.8 5.6 2.9 6.3 1.9 32.4
23–24 May Gallup Korea 53 13 5 1 4 0 40
14–18 May Realmeter 54.2 18.7 5.7 3.4 5.8 1.5 35.5
5–6 May ResearchView 55 20 7 2 6 2 35
28–29 April KSOI 58.8 11 6.8 0.6 4.2 2 47.8
9–13 April Realmeter 50.4 21.9 5.7 3.3 4.2 1.9 28.5
26–30 March Realmeter 51.3 20.7 6.8 2.4 5.2 2.2 30.6
20–22 March Gallup Korea 47 14 6 1 5 0 33
26 February – 2 March Realmeter 50 19.7 6.8 3 4.5 2.6 30.3
20–22 February Gallup Korea 48 11 8 1 6 1 37
11–14 February Kantar Public 47.9 14.9 8.1 1.6 5.6 1.3 33
5–9 February Realmeter 44.4 19.1 11 4.2 7 2.1 25.3

2016 to 2017[edit]

Date(s) Conducted Polling firm Democratic Liberty Korea People Bareun Justice Others Lead
18–22 December Realmeter 52.0 17.8 4.9 5.7 5.2 1.6 34.2
5–7 December Gallup Korea 46 11 5 8 5 0 35
18–19 November Research & Research 49.0 11.8 5.5 6.3 5.4 0.8 37.2
30 October – 1 November Realmeter 50.9 17.5 6.6 4.4 5.7 2.3 33.4
13–14 October KSOI 49.7 12.2 6.9 5.2 5.6 1.7 37.5
18–20 September Realmeter 49.8 17.0 6.0 6.3 4.7 2.8 32.8
28–30 August Realmeter 52.2 16.8 6.2 6.5 6.0 1.7 35.4
4–6 July Gallup Korea 50 14 4 8 6 0 36
10–12 May Realmeter 44.7 13.0 8.8 8.3 9.6 1.3 31.7
9 May 2017 presidential election
26 April Research & Research 38.8 12.9 20.3 5.7 6.3 0.3 18.5
11–13 April Gallup Korea 41 9 24 4 4 0 17
14 March Hankook Research 39.4 10.5 9.3 4.8 5.2 2.9 28.9
10 March Impeachment of Park Geun-hye
1–2 February Realmeter 36.4 11.6 12.1 7.9 4.8 2.7 24.8
28–30 January JoWon C&I 36.9 12.3 11.9 8.8 5.0 3.0 24.6
10–12 January Gallup Korea 41 12 10 7 3 0 29
2016
2 November 2016 South Korean political scandal begins
24–26 October Realmeter 30.5 26.5 14.4 4.5 3.9 4.0
26–30 September Realmeter 28.8 33.0 13.9 4.5 3.6 4.2
27–28 August ResearchView 30.6 27.6 14.3 7.4 0.7 3.0
31 July – 1 August R&Search 23.0 33.5 11.8 5.6 10.5
28–30 June Gallup Korea 23 30 14 6 0 7
30 May – 1 June Realmeter 29.8 30.1 17.7 7.6 2.9 0.3
19–21 Apr Gallup Korea 24 30 25 7 0 5
13 April 2016 2016 elections (PR) 25.5 33.5 26.7 - 7.2 6.9 8.0
General notes
  • Gallup Korea provides poll results only to the nearest whole number.