Tokyo proportional representation block

The , or more formally the proportional representation tier , is one of eleven proportional representation (PR) "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists solely of the prefecture of Tokyo making it one of two blocks covering only one prefecture, the other being Hokkaido. Following the introduction of proportional voting Tokyo elected 19 representatives by PR in the 1996 general election, and 17 since the election of 2000 when the total number of PR seats was reduced from 200 to 180.

Results timeline Vote share Party 1996 2000 2003 2005 2009 2012 2014 2017 2021 2024 2026 LDP 26.97 19.49 32.51 40.24 25.47 24.87 32.06 30.47 31.02 23.63 33.10 NFP 24.59 DPJ 23.40 29.02 39.89 29.62 40.98 15.42 16.31 JCP 17.81 14.34 9.27 8.85 9.61 7.41 15.37 10.37 10.40 7.86 6.01 SDP 5.41 6.62 4.30 4.54 4.32 2.09 2.26 0.95 1.44 1.52 1.24 LP 13.62 Komeito 12.75 14.03 12.38 10.35 10.14 12.15 10.81 11.10 9.04 Nippon 4.38 1.45 Your 6.06 11.67 PNP 1.24 Ishin 19.86 14.16 3.32 13.32 8.15 5.67 TPJ 6.96 PLP 2.71 CDP 23.58 20.06 20.47 KnT 17.44 Reiwa 5.59 7.13 2.65 DPFP 4.75 14.91 11.02 Sanseitō 3.74 6.30 CPJ 3.18 3.09 CRA 16.51 Mirai 13.10 Others 1.81 4.16 0.51 1.68 4.99 3.04 2.32 0.38 1.32 Turnout 60.39 58.27 65.51 66.35 62.20 54.36 53.63 57.20 56.06 59.15

Seat distribution Election Distribution Seats 1996 19 2000 17 2003 17 2005 17 2009 17 2012 17 2014 17 2017 17 2021 17 2024 19 2026 19

List of representatives D'Hondt allocation order 1996 2000 2003 2005 2009 2012 2014 2017 2021 1 Takashi Fukaya Tetsundo Iwakuni Yukihiko Akutsu Kuniko Inoguchi Kumiko Hayakawa Kiyoshi Odawara Tsukasa Akimoto Takao Ochi Kei Takagi2 Masamitsu Jōjima Midori Matsushima Eita Yashiro Yoshinori Suematsu Ichiro Kamoshita Shintarō Ishihara Akihisa Nakajima Yoshio Tezuka Shunsuke Ito3 Eiko Ishige Masamitsu Jōjima Yukihisa Fujita Yamatada Tsuchiya Mitsuaki Takeda Banri Kaieda Fumiaki Matsumoto Jin Matsubara Yohei Matsumoto4 Tetsuzo Fuwa Tetsuzo Fuwa Kunio Hatoyama Kōichi Katō Eiko Ichige Tsukasa Akimoto Akira Kasai Miki Yamada Tsukasa Abe5 Hyosuke Kujiraoka Shōzō Azuma Yosuke Tagaki Kazuo Aichi Masaaki Taira Toshiaki Ōkuma Takayuki Ochiai Yoshinori Suematsu Yōsuke Takagi 6 Shōzō Azuma Akihiro Ōta Kazuo Inoue Yōsuke Takagi Yōsuke Takagi Yōsuke Takagi Yōsuke Takagi Yōsuke Takagi Akira Kasai 7 Sadao Yamahanadied 1999, replaced byOsamu Shibutani Kunio Hatoyama Tatsuya Itō Jun'ichirō Yasui Kōki Kobayashi Hirofumi Imamura Hayato Suzuki Akira Kasai Takao Ochi8 Ichirō Takahashi Muneaki Samejima Muneaki Samejima Yōko Komiyama Akira Kasai Fumiaki Matsumoto Jin Matsubara Kiyoshi Odawara Yosuke Suzuki9 Mutsumi Sasaki Kazuo Inoue Tomio Yamaguchi Akira Kasai Kaoru Yosano Jin Matsubara Megumi Maekawa Mito Kakizawa Kenji Wakamiya10 Otohiko Endō Tomio Yamaguchi Kaoru Yosano Kenji Wakamiya Kōichi Yoshida Akira Kasai Tōru Miyamoto Akihiro Hatsushika Banri Kaieda11 Banri Kaieda Yoshio Suzuki Hisashi Shimada Akihisa Nagashima Tomotarō Kawashima Ai Aoki Akihiro Hatsushika Fumiaki Matsumoto Taisuke Ono12 Kiyoshi Ozawa Nobuto Hosaka Michiyo Takagi Taku Ōtsuka Yuriko Koike Hiroshi Yamada Masaru Wakasaresigned 2016, replaced byTsuyoshi Tabata Takao Ando Akihisa Nagashima13 Akihiro Ōta Tatsuya Itō Hirosato Nakatsugawa Michiyo Takagi Mito Kakizawa Tsuneo Akaeda Michiyo Takaki Ikuo Yamahana Taro Yamamoto resigned, replaced by Mari Kushibuchi 14 Taketoshi Nakajima Yōsuke Takagi Ichirō Kamoshita Akira Nagatsuma Hirosato Nakatsugawa Hidehiro Mitani Naoto Kan Shunsuke Ito 15 Yukihisa Fujita Eiko Ishige Eiko Ishige Seiichiro Shimizu Michiyo Takagi Naoto Kan Tsuneo Akaeda Michiyo Takagi Toru Miyamoto 16 Nobuto Hosaka Ichirō Takahashi Takashi Kosugi Jin Matsubara Kōichirō Watanabe Michiyo Takagi Saori Ikeuchi Toru Miyamoto Hirotaka Ishihara17 Michio Ochi Hirosato Nakatsugawa Noboru Usami Nobuto Hosaka Isshū Sugawara Tsuyoshi Tabata Takatane Kiuchi Kei Tagaki Masako Ōkawara18 Keiichi Ishii19 Kōki Ishii

Election results 2026 + 2026 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 2,243,625 33.10 9.47 3 2 Centrist Reform Alliance (CRA) 1,119,155 16.51 13.00 5 2 Team Mirai 887,849 13.10 New 4 New Democratic Party For the People (DPFP) 746,660 11.02 3.89 3 0 Sanseitō 427,028 6.30 2.56 2 2 Japanese Communist Party (JCP) 407,146 6.01 1.85 1 0 Japan Innovation Party (Ishin) 384,487 5.67 2.48 1 1 Conservative Party of Japan (CPJ) 209,329 3.09 0.09 0 0 Reiwa Shinsengumi (Reiwa) 179,614 2.65 4.48 0 1 Tax Cuts Japan and Yukoku Alliance (Genyu) 89,161 1.32 New 0 New Social Democratic Party (SDP) 84,362 1.24 0.28 0 0 Total 6,778,416 100.00 19 Invalid votes 61,808 0.90 Turnout 6,840,224 59.15 3.09 Registered voters 11,563,998

2024 + 2024 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,498,632 23.63 7.39 5 1 Constitutional Democratic Party of Japan (CDP) 1,298,166 20.47 0.41 5 1 Democratic Party For the People (DPFP) 945,460 14.91 10.16 3 3 Komeito 573,191 9.04 2.06 2 0 Japan Innovation Party (Ishin) 516,610 8.15 5.18 2 0 Japanese Communist Party (JCP) 498,565 7.86 2.54 1 1 Reiwa Shinsengumi (Reiwa) 451,865 7.13 1.54 1 0 Sanseitō 237,271 3.74 New 0 New Conservative Party of Japan (CPJ) 201,770 3.18 New 0 New Social Democratic Party (SDP) 96,302 1.52 0.08 0 0 The Collaborative Party 23,784 0.38 1.06 0 0 Total 6,341,616 100.00 19 2 Invalid votes 123,185 1.91 Turnout 6,464,801 56.06 1.15 Registered voters 11,532,823

2021 + 2021 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 2,000,084 31.02 0.55 6 0 Constitutional Democratic Party of Japan (CDP) 1,293,281 20.06 3.52 4 0 Japan Innovation Party (Ishin) 858,877 13.32 10.00 2 2 Komeito 715,450 11.10 0.28 2 0 Japanese Communist Party (JCP) 670,340 10.40 0.02 2 0 Reiwa Shinsengumi (Reiwa) 360,387 5.59 New 1 New Democratic Party For the People (DPFP) 306,180 4.75 New 0 New Social Democratic Party (SDP) 92,995 1.44 0.49 0 0 NHK Party 92,353 1.43 New 0 New Japan First Party 33,661 0.52 New 0 New New Party Yamato 16,970 0.26 New 0 New Corona Countermeasures 6,620 0.10 New 0 New Total 6,447,198 100.00 17 Invalid votes 123,532 1.88 Turnout 6,570,730 57.20 3.57 Registered voters 11,486,835

2017 + 2017 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,816,184 30.47 1.60 6 0 Constitutional Democratic Party of Japan (CDP) 1,405,836 23.58 New 4 New Kibō no Tō 1,039,647 17.44 New 3 New Komeito 644,634 10.81 1.33 2 0 Japanese Communist Party (JCP) 618,332 10.37 5.00 2 1 Japan Innovation Party (Ishin) 198,127 3.32 New 0 New No Party Support 125,019 2.10 New 0 New Social Democratic Party (SDP) 56,732 0.95 1.30 0 0 Party for Japanese Kokoro 40,592 0.68 3.71 0 0 Happiness Realization Party (HRP) 15,872 0.27 0.04 0 0 Total 5,960,975 100.00 17 Invalid votes 86,808 1.44 Turnout 6,047,783 53.63 0.72 Registered voters 11,276,090

2014 + 2014 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,847,986 32.06 7.19 6 1 Democratic Party of Japan (DPJ) 939,795 16.31 0.89 3 0 Japanese Communist Party (JCP) 885,927 15.37 7.96 3 2 Japan Innovation Party (JIP) 816,047 14.16 5.70 3 0 Komeito 700,127 12.15 2.01 2 0 Party for Future Generations 253,107 4.39 New 0 New People's Life Party (PLP) 156,170 2.71 New 0 New Social Democratic Party (SDP) 129,992 2.26 0.16 0 0 Happiness Realization Party (HRP) 17,648 0.31 0.05 0 0 Total 5,763,396 100.00 17 Invalid votes 134,483 2.28 Turnout 5,897,879 54.36 7.85 Registered voters 10,850,600

2012 + 2012 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 1,626,057 24.87 0.60 5 0 Japan Restoration Party (JRP) 1,298,309 19.86 New 3 New Democratic Party of Japan (DPJ) 1,008,011 15.42 25.56 3 5 Your Party 762,730 11.67 5.61 2 1 Komeito 662,743 10.14 0.22 2 0 Japanese Communist Party (JCP) 484,365 7.41 2.20 1 0 Tomorrow Party of Japan (TPJ) 448,689 6.86 New 1 New Social Democratic Party (SDP) 136,889 2.09 2.22 0 0 New Renaissance Party (NRP) 93,194 1.43 New 0 New Happiness Realization Party (HRP) 16,620 0.25 0.26 0 0 Total 6,537,607 100.00 17 Invalid votes 131,025 1.96 Turnout 6,668,632 62.20 4.15 Registered voters 10,720,874

2009 + 2009 results in the Tokyo PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 2,839,081 40.98 11.36 8 2 Liberal Democratic Party (LDP) 1,764,696 25.47 14.76 5 2 Komeito 717,199 10.35 2.03 2 0 Japanese Communist Party (JCP) 665,462 9.61 0.76 1 0 Your Party 419,903 6.06 New 1 New Social Democratic Party (SDP) 299,032 4.32 0.22 0 1 New Party Nippon (Nippon) 100,381 1.45 2.93 0 0 People's New Party (PNP) 86,046 1.24 New 0 New Happiness Realization Party (HRP) 35,667 0.51 New 0 New Total 6,927,467 100.00 17 Invalid votes 106,620 1.52 Turnout 7,034,087 66.35 0.84 Registered voters 10,601,391

2005 + 2005 results in the Tokyo PR block Party Votes Swing % Seats +/– Liberal Democratic Party (LDP) 2,665,417 40.24 7.72 7 1 Democratic Party of Japan (DPJ) 1,962,225 29.62 10.27 6 2 Komeito 820,126 12.38 1.65 2 0 Japanese Communist Party (JCP) 586,017 8.85 1.56 1 0 Social Democratic Party (SDP) 300,782 4.54 0.24 1 1 New Party Nippon (Nippon) 290,027 4.38 New 0 New Total 6,624,594 100.00 17 Invalid votes 97,439 1.45 Turnout 6,722,033 65.51 7.24 Registered voters 10,260,943

2003 + 2003 results in the Tokyo PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 2,291,124 39.89 10.87 8 2 Liberal Democratic Party (LDP) 1,867,544 32.51 13.03 6 2 Komeito 805,640 14.03 1.28 2 0 Japanese Communist Party (JCP) 532,376 7.29 7.05 1 1 Social Democratic Party (SDP) 247,103 4.30 2.32 0 1 Total 5,743,787 100.00 17 Invalid votes 135,900 2.31 Turnout 5,879,687 58.27 2.12 Registered voters 10,090,583

2000 + 2000 results in the Tokyo PR block Party Votes Swing % Seats +/– Democratic Party of Japan (DPJ) 1,653,045 29.02 5.62 6 1 Liberal Democratic Party (LDP) 1,110,177 19.49 7.48 4 1 Japanese Communist Party (JCP) 817,045 14.34 3.47 2 1 Liberal Party (LP) 776,018 13.62 New 2 New Komeito 726,203 12.75 New 2 New Social Democratic Party (SDP) 377,230 6.62 1.22 1 0 Socialist Party 99,565 1.76 New 0 New Assembly of Independents 68,367 1.20 New 0 New Liberal League (LL) 39,755 0.70 0.20 0 0 New Conservative Party (NCP) 29,232 0.51 New 0 New Total 5,696,637 100.00 17 2 Invalid votes 198,668 3.37 Turnout 5,895,305 60.39 Registered voters 9,761,690

1996 + 1996 results in the Tokyo PR block Party Votes % Seats Liberal Democratic Party (LDP) 1,398,791 26.97 5 New Frontier Party (NFP) 1,275,432 24.59 5 Democratic Party (DP) 1,213,677 23.40 5 Japanese Communist Party (JCP) 923,764 17.81 3 Social Democratic Party (SDP) 280,391 5.41 1 New Socialist Party (NSP) 68,260 1.32 0 Liberal League (LL) 25,813 0.50 0 Total 5,186,128 100.00 19

References

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

Notes