The or in official usage the "Hokkaidō electoral district" (北海道選挙区, Hokkaidō senkyo-ku) is one of eleven proportional representation (PR) blocks for the House of Representatives in the Diet of Japan. It consists of Hokkaidō and is one of two PR blocks that covers only one prefecture, the other being Tokyo. Following the introduction of proportional voting, it elected nine representatives in the election of 1996. Since 2000, the Hokkaidō PR block has been represented by eight representatives.
Results timeline Vote share Party 1996 2000 2003 2005 2009 2012 2014 2017 2021 2024 2026 LDP 28.20 25.56 31.03 29.14 24.24 26.44 29.79 28.81 33.60 26.78 37.01 DPJ 31.80 31.24 40.82 33.79 40.55 18.23 27.56 NFP 21.05 JCP 15.11 12.69 8.97 7.48 7.26 6.99 12.09 8.51 8.06 7.09 5.44 Komeito 12.80 13.97 11.42 10.67 11.04 12.30 11.03 11.46 10.58 SDP 8.87 5.21 4.73 3.42 1.85 2.14 1.38 1.61 1.30 1.29 LP 8.21 Daichi 13.44 13.03 13.25 8.37 Ishin 12.75 9.89 2.76 8.38 4.05 3.81 Your 5.94 TPJ 3.13 CDP 26.38 26.58 29.01 KnT 12.25 Reiwa 3.97 7.42 3.09 DPFP 2.87 8.03 8.88 CPJ 2.59 2.44 Sanseitō 2.38 6.63 CRA 24.60 Mirai 5.46 Others 3.84 0.63 0.83 0.40 6.22 0.52 3.47 0.77 1.33 Turnout 65.52 62.93 71.01 73.63 58.72 56.34 60.29 58.78 56.15 57.92
Seat distribution Election Distribution Seats 1996 9 2000 8 2003 8 2005 8 2009 8 2012 8 2014 8 2017 8 2021 8 2024 8 2026 8
List of members 1996 2000 2003 2005 2009 1 Seiichi Ikehata DP DPJ DPJ Seiji Osaka DPJ Hiroko Nakano DPJ 2 Muneo Suzuki LDP Muneo Suzuki LDP Eiko Kaneta LDP Yukari Iijima LDP Tsutomu Takebe LDP 3 NFP Seiichi Kaneta DPJ DPJ Satoshi Arai Tomohiro Ishikawa DPJ Maya Yamazaki DPJ 4 DP Kaori Maruya Komei Gaku Ishizaki LDP Hiroshi Imazu LDP Tatsumaru Yamaoka DPJ 5 JCP JCP Kaori Maruya Komei Muneo Suzuki Daichi Muneo Suzuki Daichi 6 Takamori Yoshikawa LDP LDP Hiroko Nakano DPJ Kaori Maruya Komei Nobutaka Machimura Hiroshi Imazu LDP 7 Seiichi Kaneta DP Wakio Mitsui DPJ LDP Kenko Matsuki DPJ Hisashi Inatsu Komei 8 Kaori Maruya NFP SDP Kenko Matsuki DPJ Takamori Yoshikawa LDP DPJ 9 LDP Abolished 2012 2014 2017 2021 2024 1 Kōichi Watanabe LDP Kōichi Watanabe LDP Kōichi Watanabe LDP Takako Suzuki LDP Naoko Shinoda CDP 2 Takahiro Yokomichi DPJ Takako Suzuki DPJ Hiroshi Kamiya CDP Kureha Otsuki CDP Yoshitaka Itō LDP 3 Tomohiro Ishikawa Takako Suzuki Daichi Hiroshi Imazu LDP Takako Suzuki LDP Kōichi Watanabe LDP CDP 4 LDP Satoshi Arai DPJ Maki Ikeda CDP Yutaka Arai CDP Hiroyuki Nakamura LDP 5 JRP Hidemichi Satō Komei Tatsumaru Yamaoka KnT Hidemichi Satō Komei Hidemichi Satō Komei 6 Hidemichi Satō Komei Kazuya Hatayama JCP Hidemichi Satō Komei Manabu Horii Yūsuke Takahashi LDP CDP 7 Satoshi Arai DPJ LDP LDP Hiroshi Kamiya CDP Jun Mukōyama LDP 8 LDP Kenko Matsuki JIP Hiranao Honda Maya Yamazaki CDP Yūko Nakagawa LDP Hidetake Usuki DPFP 2026 1 Yoshitaka Itō LDP 2 Hidemichi Satō CRA 3 Kōichi Watanabe LDP 4 Nagisa Muraki LDP 5 Tomoko Ukishima CRA 6 Yuri Yoshida LDP 7 Hidetake Usuki DPFP 8 Tatsumaru Yamaoka CRA
Election results 2026 + 2026 results in the Hokkaido PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 911,742 37.01 10.23 4 1 Centrist Reform Alliance (CRA) 605,889 24.60 14.99 3 1 Democratic Party For the People (DPFP) 218,850 8.88 0.85 1 0 Sanseitō 163,329 6.63 4.25 0 0 Team Mirai 134,613 5.46 New 0 New Japanese Communist Party (JCP) 134,084 5.44 1.65 0 0 Japan Innovation Party (Ishin) 93,967 3.81 0.24 0 0 Reiwa Shinsengumi (Reiwa) 76,099 3.09 4.33 0 0 Conservative Party of Japan (CPJ) 60,119 2.44 0.15 0 0 Tax Cuts Japan and Yukoku Alliance (Genyu) 32,878 1.33 New 0 New Social Democratic Party (SDP) 31,753 1.29 0.01 0 0 Total 2,463,323 100.00 8 Invalid votes 39,650 1.58 Turnout 2,502,973 57.92 1.77 Registered voters 4,321,464
2024 + 2024 results in the Hokkaido PR block Party Votes Swing % Seats +/– Constitutional Democratic Party of Japan (CDP) 694,578 29.01 2.43 3 0 Liberal Democratic Party (LDP) 641,127 26.78 6.82 3 1 Komeito 253,344 10.58 0.88 1 0 Democratic Party For the People (DPFP) 192,303 8.03 5.16 1 1 Reiwa Shinsengumi (Reiwa) 177,620 7.42 3.45 0 0 Japanese Communist Party (JCP) 169,799 7.09 0.97 0 0 Japan Innovation Party (Ishin) 96,954 4.05 4.33 0 0 Conservative Party of Japan (CPJ) 61,903 2.59 New 0 New Sanseitō 57,002 2.38 New 0 New Social Democratic Party (SDP) 31,134 1.30 0.31 0 0 Consideration the Euthanasia System 18,455 0.77 1.03 0 0 Total 2,394,219 100.00 8 Invalid votes 60,780 2.48 Turnout 2,454,999 56.15 2.64 Registered voters 4,372,575
2021 + 2021 results in the Hokkaido PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 863,300 33.60 4.79 4 1 Constitutional Democratic Party of Japan (CDP) 682,912 26.58 0.20 3 0 Komeito 294,371 11.46 0.43 1 0 Japan Innovation Party (Ishin) 215,344 8.38 5.62 0 0 Japanese Communist Party (JCP) 207,189 8.06 0.45 0 0 Reiwa Shinsengumi (Reiwa) 102,086 3.97 New 0 New Democratic Party For the People (DPFP) 73,621 2.87 New 0 New No Party Support 46,142 1.80 New 0 New NHK Party 42,916 1.67 New 0 New Social Democratic Party (SDP) 41,248 1.61 0.23 0 0 Total 2,569,129 100.00 8 Invalid votes 66,706 2.53 Turnout 2,635,835 58.78 1.51 Registered voters 4,484,166
2017 + 2017 results in the Hokkaido PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 779,903 28.81 0.98 3 0 Constitutional Democratic Party of Japan (CDP) 714,032 26.38 New 3 New Kibō no Tō 331,463 12.25 New 1 New Komeito 298,573 11.03 1.27 1 0 Japanese Communist Party (JCP) 230,316 8.51 3.58 0 1 Japan Innovation Party (Ishin) 74,701 2.76 New 0 New Social Democratic Party (SDP) 37,374 1.38 0.76 0 0 New Party Daichi 226,552 8.37 New 0 New Happiness Realization Party (HRP) 13,983 0.52 0.03 0 0 Total 2,706,897 100.00 8 Invalid votes 57,224 2.07 Turnout 2,764,121 60.29 3.95 Registered voters 4,584,480
2014 + 2014 results in the Hokkaido PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 744,748 29.79 3.35 3 0 Democratic Party of Japan (DPJ) 688,922 27.56 9.33 2 0 Komeito 307,534 12.30 1.26 1 0 Japanese Communist Party (JCP) 302,251 12.09 5.10 1 1 Japan Innovation Party (JIP) 247,342 9.89 2.86 1 0 Social Democratic Party (SDP) 53,604 2.14 0.29 0 0 No Party Support 104,854 4.19 New 0 New Party for Future Generations 38,342 1.53 New 0 New Happiness Realization Party (HRP) 12,267 0.49 0.09 0 0 Total 2,499,864 100.00 8 Invalid votes 62,292 2.43 Turnout 2,562,156 56.34 2.38 Registered voters 4,547,668
2012 + 2012 results in the Hokkaido PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 692,304 26.44 2.20 3 1 Democratic Party of Japan (DPJ) 477,356 18.23 22.32 2 2 New Party Daichi 346,858 13.25 0.22 1 0 Japan Restoration Party (JRP) 333,760 12.75 New 1 New Komeito 289,011 11.04 0.37 1 0 Japanese Communist Party (JCP) 182,968 6.99 0.27 0 0 Your Party 155,522 5.94 New 0 New Tomorrow Party of Japan (TPJ) 81,838 3.13 New 0 New Social Democratic Party (SDP) 48,351 1.85 1.56 0 0 Happiness Realization Party (HRP) 10,506 0.40 0.21 0 0 Total 2,618,474 100.00 8 Invalid votes 68,557 2.55 Turnout 2,687,031 58.72 14.91 Registered voters 4,575,652
2009 + 2009 results in the Hokkaido PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 1,348,318 40.55 6.76 4 1 Liberal Democratic Party (LDP) 805,895 24.24 4.90 2 1 New Party Daichi 433,122 13.03 0.41 1 0 Komeito 354,886 10.67 0.75 1 0 Japanese Communist Party (JCP) 241,345 7.26 0.22 0 0 Social Democratic Party (SDP) 113,562 3.42 1.31 0 0 Happiness Realization Party (HRP) 20,276 0.61 New 0 New New Party Essence 7,399 0.22 New 0 New Total 3,324,803 100.00 8 Invalid votes 66,400 1.96 Turnout 3,391,203 73.63 2.62 Registered voters 4,605,761
2005 + 2005 results in the Hokkaido PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 1,090,727 33.79 7.02 3 1 Liberal Democratic Party (LDP) 940,705 29.14 1.89 3 0 New Party Daichi 433,938 13.44 New 1 New Komeito 368,552 11.42 2.55 1 0 Japanese Communist Party (JCP) 241,371 7.48 1.49 0 0 Social Democratic Party (SDP) 152,646 4.73 0.48 0 0 Total 3,227,939 100.00 8 Invalid votes 68,607 2.08 Turnout 3,296,546 71.01 8.08 Registered voters 4,642,310
2003 + 2003 results in the Hokkaido PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 1,153,471 40.82 9.58 4 1 Liberal Democratic Party (LDP) 876,653 31.03 5.47 3 1 Komeito 394,843 13.97 1.17 1 0 Japanese Communist Party (JCP) 253,442 8.97 3.72 0 1 Social Democratic Party (SDP) 147,146 5.21 3.66 0 1 Total 2,825,555 100.00 8 Invalid votes 88,424 3.03 Turnout 2,913,979 62.93 2.59 Registered voters 4,630,154
2000 + 2000 results in the Hokkaido PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 898,678 31.24 0.56 3 0 Liberal Democratic Party (LDP) 735,318 25.56 2.64 2 1 Komeito 368,198 12.80 New 1 New Japanese Communist Party (JCP) 365,061 12.69 2.42 1 0 Social Democratic Party (SDP) 255,319 8.87 New 1 New Liberal Party (LP) 236,301 8.21 New 0 New Liberal League (LL) 17,987 0.63 New 0 New Total 2,876,862 100.00 8 1 Invalid votes 122,134 4.07 Turnout 2,998,996 65.52 Registered voters 4,577,169
1996 + 1996 results in the Hokkaido PR block Party Votes % Seats Democratic Party (DP) 835,042 31.80 3 Liberal Democratic Party (LDP) 740,677 28.20 3 New Frontier Party (NFP) 552,847 21.05 2 Japanese Communist Party (JCP) 396,923 15.11 1 New Socialist Party (NSP) 100,807 3.84 0 Total 2,626,296 100.00 9
References
Election Resources Heartbeats Corp., The Senkyo: Results of general and by-elections for the House of Representatives since 1890
Notes