The is one of eleven proportional representation (PR) blocks for the House of Representatives in the Diet of Japan. It consists of the Tōhoku region, namely the prefectures of Aomori, Iwate, Miyagi, Akita, Yamagata and Fukushima. Upon the introduction of proportional voting at the 1996 general election, the block elected 16 Representatives to the House. The block's representation was reduced to 14 Representatives at the 2000 general election, and to 13 in the 2017 election.MIC: 2017 changes to House of Representatives electoral districts

Results timeline Vote share Party 1996 2000 2003 2005 2009 2012 2014 2017 2021 2024 2026 LDP 35.27 31.96 37.63 36.55 27.87 28.55 32.94 35.49 39.51 31.45 41.16 NFP 33.15 DPJ 11.10 21.19 37.43 33.60 45.48 18.57 22.48 JCP 9.58 8.09 6.57 6.25 5.89 5.92 9.89 7.39 7.11 5.91 4.05 SDP 8.27 10.70 6.51 6.97 5.92 3.70 3.43 2.51 2.46 2.10 1.43 LP 16.27 Komeito 9.81 11.85 11.93 9.65 9.18 11.22 11.03 11.08 9.72 PNP 4.71 Your 4.51 7.06 Ishin 16.71 13.00 3.04 6.28 4.38 4.21 TPJ 9.02 PLP 4.72 KnT 21.72 CDP 18.11 24.06 26.26 DPFP 4.75 10.50 9.94 Reiwa 3.48 7.19 3.10 Sanseitō 2.50 7.11 CRA 21.16 Mirai 5.97 CPJ 1.86 Others 3.84 1.99 0.68 1.30 2.32 1.61 1.28 Turnout 66.39 63.96 68.91 71.21 58.92 52.55 57.04 57.84 54.81 56.75

Seat distribution Election Distribution Seats 1996 16 2000 14 2003 14 2005 14 2009 14 2012 14 2014 14 2017 13 2021 13 2024 12 2026 12

List of representatives Elected RepresentativesTenure Rep.Party Zenmei MatsumotoJCP Chizuko TakahashiJCP Akinori EtoLDP Jun TsushimaLDP Akinori EtoLDP Rep.Party Kenjirō HatakeyamaSDP Tetsuo KannoSDP Kiyohiro YamamotoSDP Tetsuo KannoSDP Hideo YoshiizumiSDP Kōji HataTPJ -> PLP Emi KanekoDPJ -> DP Manabu Terata KnT -> Ind. -> CDP Akiko Okamoto CDP Yuki Baba CDP Rep.Party Ichirō Hino (died 2003)DPJ Masayo TanabuDPJ Kiyohito HashimotoDPJ Masayo TanabuDPJ Kazuko KōriDPJ -> DP Akiko Okamoto CDP Kenya Akiba LDP Chisato Morishita LDP Rep.Party Kenji KodamaDPJ Takao SatōDPJ Yōsuke KondōDPJ Noriko NakanowatamiDPJ Yōsuke KondōDPJ -> DP Yoshitami KameokaLDP Ichirō KankeLDP Manabu TerataCDP Rep.Party Yasusuke KontaNFP -> DPJ Yasasuke KontaDPJ Izumi YoshidaDPJ Kazuo TakamatsuDPJ Izumi YoshidaDPJ Manabu TerataDPJ -> DP Takashi FujiwaraLDP Manabu TerataCDP Daijiro KikuchiDPP Rep.Party Kijūrō SugaharaNFP -> Lib. Kijūrō Sugahara (resigned 2001)Lib. Kentarō IshiharaLib. Michihiko KanoDPJ Kazuko KōriDPJ Kazuyuki YamaguchiDPJ Shinji OgumaJRP -> JIP Sekio MasutaJIP -> DP Shinji Oguma KnT -> DPP -> CDP Kenichi Shōji Komeito Junji Fukuhara LDP Rep.Party Tatsuo SasayamaNFP -> Lib. Kentarō KudōLib. Teruhiko MashikoDPJ Hokuto YokoyamaDPJ Kyōichi TsushimaDPJ Toshihide MuraokaJRP -> JIP Toshihide MuraokaJIP -> Vision of Reform -> DP Yoshihisa Inoue Komeito Junji Fukuhara LDP Kenichi Shōji Komeito Rep.Party Yoshihisa InoueNFP -> Komeito Yoshihisa InoueKomeito Makoto YamazakiCDP Ichirō OzawaCDP Sekio MasutaCDP Rep.Party Kōdō KohataNFP -> DPJ Yoshinobu TakahashiLib. Masashi NakanoLDP Miki Wajima (resigned in 2012)DPJ Ippu WatanabeDPJ Hiroki HayashiYP -> Unity Party -> JIP Yūichi MayamaKomeito Hinako TakahashiLDP Katsutoshi KanedaLDP Nobuhide MinorikawaLDP Rep.Party Kōki HaginoNFP -> LDP Kōki HaginoLDP Atsushi WatanabeLDP Chōuemon KikuchiDPJ Sachiko KannoLDP Ichirō KankeLDP Chizuko TakahashiJCP Wakako SawaraReiwa Rep.Party Hidefumi Minorikawa (died 2003)LDP Kyōichi TsushimaLDP Tatsuo SatōLDP Katsutoshi KanedaLDP Miyo ŌkuboLDP Shigeaki KatsunamaLDP Takashi Midorikawa KnT -> DPP -> CDP Kentarō UesugiLDP Yuki SaitoCDP Rep.Party Ichio KumagaiLDP Tokuichirō TamazawaLDP Kenya AkibaLDP Hinako TakahashiLDP Kentarō UesugiLDP Atsushi HayasakaIshin Taku NemotoLDP Rep.Party Kōji FutadaLDP Hiroyuki AraiLDP Kōji FutadaLDP Masayoshi YoshinoLDP Hidenori HashimotoLDP Yukihiko AkutsuCDP Yuki BabaCDP Seat abolished Rep.Party Toshiaki EndōLDP Kōji SakamotoLDP Masayoshi YoshinoLDP Kōji SakamotoLDP Toshiaki EndōLDP Takashi FujiwaraLDP Seat abolished Rep.Party Tokuichirō TamazawaLDP Seat abolished Rep.Party Yoshiyuki HozumiLDP Seat abolished

Election results 2026 + 2026 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,612,576 41.16 9.71 6 1 Centrist Reform Alliance (CRA) 828,883 21.16 14.82 3 2 Democratic Party For the People (DPFP) 389,503 9.94 0.56 1 0 Sanseitō 278,410 7.11 4.61 1 1 Team Mirai 234,050 5.97 New 1 New Japan Innovation Party (Ishin) 165,104 4.21 0.17 0 0 Japanese Communist Party (JCP) 158,466 4.05 1.86 0 0 Reiwa Shinsengumi (Reiwa) 121,631 3.10 4.09 0 1 Conservative Party of Japan (CPJ) 72,889 1.86 New 0 New Social Democratic Party (SDP) 55,999 1.43 0.67 0 0 Total 3,917,511 100.00 12 Invalid votes 70,440 1.77 Turnout 3,987,951 56.75 1.94 Registered voters 7,027,029

2024 + 2024 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,188,975 31.45 8.06 5 1 Constitutional Democratic Party of Japan (CDP) 993,007 26.26 2.20 4 0 Democratic Party For the People (DPFP) 396,991 10.50 5.75 1 1 Komeito 367,341 9.72 1.36 1 0 Reiwa Shinsengumi (Reiwa) 271,855 7.19 3.71 1 1 Japanese Communist Party (JCP) 223,409 5.91 1.20 0 1 Japan Innovation Party (Ishin) 165,697 4.38 1.90 0 1 Sanseitō 94,354 2.50 New 0 New Social Democratic Party (SDP) 79,484 2.10 0.36 0 0 Total 3,781,113 100.00 12 1 Invalid votes 127,427 3.37 Turnout 3,908,540 54.81 3.03 Registered voters 7,131,539

2021 + 2021 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,628,233 39.51 4.02 6 1 Constitutional Democratic Party of Japan (CDP) 991,505 24.06 5.95 4 1 Komeito 456,387 11.08 0.05 1 0 Japanese Communist Party (JCP) 292,830 7.11 0.28 1 0 Japan Innovation Party (Ishin) 258,690 6.28 3.24 1 1 Democratic Party For the People (DPFP) 195,754 4.75 New 0 New Reiwa Shinsengumi (Reiwa) 143,265 3.48 New 0 New Social Democratic Party (SDP) 101,442 2.46 0.05 0 0 NHK Party 52,664 1.28 New 0 New Total 4,120,770 100.00 13 Invalid votes 138,904 3.26 Turnout 4,259,674 57.84 0.80 Registered voters 7,364,980

2017 + 2017 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,453,871 35.49 1.65 5 0 Kibō no Tō 912,819 21.72 New 3 New Constitutional Democratic Party of Japan (CDP) 761,117 18.11 New 3 New Komeito 463,740 11.03 0.19 1 1 Japanese Communist Party (JCP) 310,559 7.39 2.50 1 0 Japan Innovation Party (Ishin) 127,674 3.04 New 0 New Social Democratic Party (SDP) 105,589 2.51 0.92 0 0 Party for Japanese Kokoro 44,960 1.07 0.78 0 0 Happiness Realization Party (HRP) 22,626 0.54 0.07 0 0 Total 4,202,955 100.00 13 1 Invalid votes 129,515 2.99 Turnout 4,332,470 57.04 4.49 Registered voters 7,595,912

2014 + 2014 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,265,372 32.94 4.39 5 0 Democratic Party of Japan (DPJ) 863,539 22.48 3.91 4 1 Japan Innovation Party (JIP) 499,437 13.00 3.71 2 0 Komeito 431,169 11.22 2.04 2 1 Japanese Communist Party (JCP) 379,811 9.89 3.97 1 0 People's Life Party (PLP) 181,487 4.72 New 0 New Social Democratic Party (SDP) 131,857 3.43 0.27 0 0 Party for Future Generations 71,026 1.85 New 0 New Happiness Realization Party (HRP) 18,201 0.47 0.13 0 0 Total 3,841,899 100.00 14 Invalid votes 130,359 3.28 Turnout 3,972,258 52.55 6.37 Registered voters 7,558,365

2012 + 2012 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,238,716 28.55 0.68 5 1 Democratic Party of Japan (DPJ) 805,709 18.57 26.91 3 4 Japan Restoration Party (JRP) 725,006 16.71 New 2 New Komeito 398,131 9.18 0.47 1 0 Tomorrow Party of Japan (TPJ) 391,216 9.02 New 1 New Your Party 306,102 7.06 2.55 1 1 Japanese Communist Party (JCP) 256,838 5.92 0.03 1 0 Social Democratic Party (SDP) 160,367 3.70 2.22 0 1 New Renaissance Party 41,587 0.96 New 0 New Happiness Realization Party (HRP) 14,825 0.34 0.34 0 0 Total 4,338,497 100.00 14 Invalid votes 148,075 3.30 Turnout 4,486,572 58.92 12.29 Registered voters 7,614,547

2009 + 2009 results in the Tohoku PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 2,433,836 45.48 11.88 7 2 Liberal Democratic Party (LDP) 1,491,761 27.87 8.68 4 2 Komeito 516,688 9.65 2.28 1 0 Social Democratic Party (SDP) 316,635 5.92 1.05 1 0 Japanese Communist Party (JCP) 315,201 5.89 0.36 1 0 Your Party 241,445 4.51 New 0 New Happiness Realization Party (HRP) 36,295 0.68 New 0 New Total 5,351,861 100.00 14 Invalid votes 162,523 2.95 Turnout 5,514,384 71.21 2.30 Registered voters 7,743,422

2005 + 2005 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,901,595 36.55 1.08 6 0 Democratic Party of Japan (DPJ) 1,748,165 33.60 3.83 5 0 Komeito 620,638 11.93 0.08 1 0 Social Democratic Party (SDP) 362,523 6.97 0.46 1 0 Japanese Communist Party (JCP) 325,176 6.25 0.32 1 0 People's New Party (PNP) 244,933 4.71 New 0 New Total 5,203,030 100.00 14 Invalid votes 199,489 3.69 Turnout 5,402,519 68.91 4.95 Registered voters 7,839,466

2003 + 2003 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,794,284 37.63 5.67 6 1 Democratic Party of Japan (DPJ) 1,784,768 37.43 16.24 5 2 Komeito 565,179 11.85 2.04 1 0 Japanese Communist Party (JCP) 313,290 6.57 1.52 1 0 Social Democratic Party (SDP) 310,187 6.51 4.19 1 0 Total 4,767,708 100.00 14 Invalid votes 244,942 4.89 Turnout 5,012,650 63.96 2.43 Registered voters 7,836,650

2000 + 2000 results in the Tohoku PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,545,028 31.96 3.31 5 1 Democratic Party of Japan (DPJ) 1,024,253 21.19 10.09 3 1 Liberal Party (LP) 786,751 16.27 New 3 New Social Democratic Party (SDP) 517,267 10.70 2.43 1 0 Komeito 474,238 9.81 New 1 New Japanese Communist Party (JCP) 391,055 8.09 1.49 1 0 Assembly of Independents 82,978 1.72 New 0 New Liberal League (LL) 13,196 0.27 0.57 0 0 Total 4,834,766 100.00 14 2 Invalid votes 327,077 6.34 Turnout 5,161,843 66.39 Registered voters 7,774,608

1996 + 1996 results in the Tohoku PR block Party Votes % Seats Liberal Democratic Party (LDP) 1,630,777 35.27 6 New Frontier Party (NFP) 1,532,987 33.15 6 Democratic Party (DP) 513,410 11.10 2 Japanese Communist Party (JCP) 442,790 9.58 1 Social Democratic Party (SDP) 382,271 8.27 1 New Socialist Party (NSP) 84,167 1.82 0 Liberal League (LL) 37,661 0.84 0 Total 4,624,063 100.00 16

References

Election Resources JANJAN, The Senkyo: Results of general and by-elections for the House of Representatives 1890–2010

Notes