In the run up to the 2021 Japanese general election, various organisations carried out opinion polling to gauge voting intention. Results of such polls are displayed in this article. The date range for these opinion polls is from the previous general election, held on 22 October 2017 to 31 October 2021.

Graphical summary The charts below depict party identification polling for the next Japanese general election using a 15-poll moving average.

Party identification 2021 Fieldwork date Polling firm LDP CDP Kōmeitō JCP Ishin DPFP SDP Reiwa N-Koku Others No party / Lead31 Oct 20212021 general election34.720.012.47.314.04.51.83.91.41.7style="background:#E9E9E9;" style="background:#E9E9E9;" 14.723–24 Octgo2senkyo32.214.86.14.96.91.11.00.60.332.2Tied22-24 OctNHK38.68.04.32.93.50.80.70.80.20.231.48.57.219–20 OctMainichi Shimbun411446611211231819–20 OctAsahi Shimbun347433100013413Tied16–17 OctKyodo News49.110.43.14.74.318.830.316–17 Octgo2senkyo31.611.84.75.64.01.01.20.30.339.47.816–17 OctANN49.912.14.14.42.31.20.60.60.40.823.626.315–17 OctNHK38.86.63.92.82.31.00.60.60.10.236.26.92.614–15 OctYomiuri Shimbun406333110038529–10 OctGreen Ship 42.9213.734.825.624.9623.2319.79–10 OctFNN-Sankei45.36.42.42.52.60.50.50.30.10.237.12.18.29–10 OctJNN 41.55.73.12.32.50.70.50.300.438.64.42.98–10 OctNHK41.26.14.12.71.80.70.60.20.10.236.16.25.14–5 OctAsahi Shimbun37533200000401034–5 OctYomiuri Shimbun437332100036474–5 OctNikkei-TV Tokyo51845312724 4 Oct Fumio Kishida assumes office as the Prime Minister and President of the LDP.23–25 SepNikkei478333113041718–19 SepANN49.49.94.24.13.11.20.30.40.00.726.722.718–19 SepFNN-Sankei43.56.93.22.11.60.30.30.70.00.434.56.5918 SepMainichi Shimbun37104451234310–13 SepJiji Press 26.53.05.02.21.700.20.20.259.032.511–12 SepAsahi Shimbun37533100000438610–12 SepNHK37.65.53.62.91.10.20.60.40.20.340.27.42.69-11 SepNikkei4882331010313174–5 SepYomiuri Shimbun3673320004357 3 Sep Yoshihide Suga announces he will not seek re-election as President of the LDP.28 AugMainichi Shimbun261035812421621–22 AugFNN-Sankei35.66.63.52.43.00.60.40.70.30.244.64.29.021–22 AugANN46.68.12.94.12.60.50.50.20.10.833.613.014–15 Auggo2senkyo29.111.14.15.63.50.50.60.90.044.515.47–9 AugYomiuri-NNN325332000049177–9 AugNHK33.46.43.73.31.70.80.50.20.20.342.86.49.46–9 AugJiji Press 23.73.94.51.32.00.30.20.20.061.437.77–8 AugAsahi Shimbun32623110000478 157–8 AugJNN32.45.43.52.12.80.60.20.600.248.73.516.323–25 JulNikkei3894441353 317–18 JulANN42.38.83.92.62.70.50.40.30.20.837.5 4.817–18 JulFNN-Sankei36.38.02.43.72.20.70.70.30.00.441.04.24.717 JulMainichi Shimbun28104761110239119–12 JulJiji Press 21.44.52.51.82.00.50.20.30.163.942.510–11 Julgo2senkyo28.612.04.57.13.21.11.10.40.141.8 13.29-11 JulYomiuri-NNN36543210000435 79-11 JulNHK34.96.03.33.32.10.80.30.20.841.96.3 7.03–4 JulJNN33.66.13.53.42.10.60.40.400.346.13.612.525–27 JunNikkei43 8 3 4 4 1 1 0 0 31 4 1219–20 JunANN 41.88.43.33.63.01.50.41.00.01.036.0 5.819–20 JunFNN-Sankei37.08.22.52.02.80.90.50.00.00.243.22.5 6.219–20 JunAsahi Shimbun31643210000458 1419 JunMainichi Shimbun30104661240rowspan=3 1011–14 JunJiji Press 22.82.93.71.71.20.50.20.20.163.240.412–13 Jungo2senkyo25.413.94.85.92.90.70.90.60.144.719.311–13 JunNHK35.86.43.52.82.10.50.30.10.5040.67.4 4.85–6 JunJNN34.35.83.52.32.70.50.20.70.20.3 43.95.5 10.44–6 JunYomiuri-NNN3353320100484 1528–30 May Nikkei 4284340010335 915–16 May go2senkyo26.214.34.17.33.61.20.71.40.440.7 14.515–16 May FNN-Sankei35.37.73.11.930.80.30.30.144.92.2 9.615–16 May ANN 44.912.22.63.72.81.00.60.20.51.230.3 14.615–16 May Asahi Shimbun 30732210000478 1715–16 MayKyodo News 41.98.64.53.44.61.20.410.732.1 9.88–9 MayJNN37.26.03.82.22.01.100.10.11.042.44.3 5.27–10 MayJiji Press 21.44.42.61.51.90.50.20.20.264.8 43.47–9 MayYomiuri-NNN3772221001444 77–9 MayNHK33.75.82.93.11.60.60.20.30.20.543.87.4 10.123–25 AprNikkei 47933411100293 1818 AprMainichi Shimbun31114481021136 517–18 AprFNN-Sankei 39.25.53.22.93.30.70.20.40.20.238.74.2 0.517–18 AprANN 45.19.03.43.43.00.51.010.11.632.4 12.79–12 Apr Jiji Press 22.54.23.81.81.60.30.20.3062.2 39.73 Mar – 12 AprAsahi Shimbun 3884251010410 310–11 Apr Asahi Shimbun 35623210000438 89-11 AprNHK 37.46.34.12.71.50.70.30.30.739.76.4 2.33–4 AprJNN35.64.93.12.61.40.50.30.50.10.547.03.6 11.42–4 Apr Yomiuri-NNN 39532200001434 426–28 MarNikkei 431144410000294 1420–21 MarAsahi Shimbun 33532211000467 1320–21 Mar ANN 43.710.53.94.52.21.20.30.10.41.3 31.9 11.813–14 MarFNN-Sankei 40.16.54.42.12.51.10.20.20.30.939.93 0.26–7 MarJNN38.34.82.02.43.10.90.30.50.40.3 41.45.5 3.15–8 Mar Jiji Press 234.83.51.72.40.40.20.20.162.4 39.45–7 MarNHK 35.64.53.23.12.10.80.30.20.20.240.19.5 4.55–7 Mar Yomiuri-NNN4063230110423 226–28 FebNikkei 451125311274 1820–21 FebFNN-Sankei38.682.62.33.910.10.60.20.839.72.1 1.113–14 Feb Asahi Shimbun3374321000446 1113–14 FebANN 45.211.83.52.52.90.60.60.201.431.3 13.96–7 FebJNN36.76.23.72.43.10.70.30.40.30.6 42.33.2 5.65–7 Feb NHK35.16.8332.60.90.60.40.242.35.1 7.25–7 FebYomiuri-NNN 37542111000425 54–7 Feb Jiji Press 25.53.82.41.62.10.60.40.30.261.2 35.729–31 JanNikkei 4495531302 1423–24 JanFNN-Sankei 39.18.93.62.540.90.30.90.50.438.50.3 0.616–17 Jan ANN 45.77.94.43.12.51.70.70.30.44.129.2 16.515–17 JanYomiuri-NNN 37532110001463 99-11 Jan NHK 37.86.632.91.10.50.50.50.20.540.56 2.78–11 JanJiji Press 23.73.13.91.71.60.50.80.20.162.8 39.19–10 JanJNN34.25.93.22.42.00.80.20.30.61.0 46.23.3 12.09–10 Jan Kyodo News 41.27.83.93.34.30.80.11.10.434.6 6.622 Oct 20172017 general election33.319.912.57.96.117.40.8style="background:#E9E9E9;" style="background:#E9E9E9;" 1.3style="background:#E9E9E9;" style="background:#E9E9E9;" 13.4

2020