Tokyo's Diet electoral districts

Last updated August 24, 2025

Tokyo's House of Representatives districts since 2017^[1]

All seats

Central Tokyo seats

Tokyo currently sends 53 elected members to the Diet of Japan, 42 to the House of Representatives and 11 to the House of Councillors.

House of Representatives

The current House of Representatives Tokyo delegation consists of 42 representatives in total. The parties that these members belong to is - 21 members of the LDP, 12 CDP, 3 Komeito, 2 Ishin, 2 JCP, 1 Reiwa and 1 independent.

These delegates are made up of 25 members elected in district seats, and 17 members elected via the proportional representation method.

District seats

District	Representative	Party	Incumbency
1st	Banri Kaieda	Constitutional Democratic Party of Japan	27 October 2024 – present
2nd	Kiyoto Tsuji	Liberal Democratic	16 December 2012 – present
3rd	Hirotaka Ishihara	Liberal Democratic	27 October 2024 – present
4th	Masaaki Taira	Liberal Democratic	16 December 2012 – present
5th	Yoshio Tezuka	Constitutional Democratic	31 October 2021 – present
6th	Takayuki Ochiai	Constitutional Democratic	22 October 2017 – present
7th	Akihiro Matsuo	Constitutional Democratic	27 October 2024 – present
8th	Harumi Yoshida	Constitutional Democratic	31 October 2021 – present
9th	Issei Yamagishi (CD-Nerima)	Constitutional Democratic	31 October 2021 – present
10th	Hayato Suzuki	Liberal Democratic	22 October 2017 – present
11th	Yukihiko Akutsu	CDP	27 October 2024 – present
12th	Kei Takagi	LDP	27 October 2024 – present
13th	Shin Tsuchida	Liberal Democratic	31 October 2021 – present
14th	Midori Matsushima	Liberal Democratic	16 December 2012 – present
15th	Natsumi Sakai	Constitutional Democratic	28 April 2024 – present
16th	Yōhei Ōnishi	Liberal Democratic	27 October 2024 – present
17th	Katsuei Hirasawa	Liberal Democratic	20 October 1996 – present
18th	Naoto Kan	Constitutional Democratic	22 October 2017 – present
19th	Yoshinori Suematsu	Constitutional Democratic	31 October 2021 – present
20th	Seiji Kihara	Liberal Democratic	16 December 2012 – present
21st	Kiyoshi Odawara	Liberal Democratic	31 October 2021 – present
22nd	Tatsuya Itō	Liberal Democratic	16 December 2012 – present
23rd	Masanobu Ogura	Liberal Democratic	16 December 2012 – present
24th	Kōichi Hagiuda	Liberal Democratic	16 December 2012 – present
25th	Shinji Inoue	Liberal Democratic	9 November 2003 – present

PR seats

Alongside Hokkaido, Tokyo is the only other prefecture-level division with its own proportional representation block. The PR block consists of 17 members.

Representative	Party	District contested	Incumbency
Kei Takagi	Liberal Democratic	None	22 October 2017 – present
Miki Yamada		Tokyo-19th	31 October 2021 – present
Takao Ochi		Tokyo-6th	22 October 2017 – present
Kenji Wakamiya		Tokyo-5th	31 October 2021 – present
Akihisa Nagashima		Tokyo-18th	31 October 2021 – present
Hirotaka Ishihara		Tokyo-3rd	31 October 2021 – present
Shunsuke Ito	Constitutional Democratic	Tokyo-23rd	22 October 2017 – present
Yosuke Suzuki		Tokyo-10th	31 October 2021 – present
Banri Kaieda		Tokyo-1st	31 October 2021 – present
Masako Ōkawara		Tokyo-21st	31 October 2021 – present
Tsukasa Abe	Ishin	Tokyo-12th	31 October 2021 – present
Taisuke Ono	Ishin	Tokyo-1st	31 October 2021 – present
Yōsuke Takagi	Komeito	None	25 June 2000 – present
Koichi Kasai	Komeito	None	31 October 2021 – present
Akira Kasai	Communist	None	11 September 2005 – present
Tōru Miyamoto	Communist	Tokyo-20th	14 December 2014 – present
Mari Kushibuchi	Reiwa	Tokyo-22nd	28 April 2022 – present

House of Councillors

The current House of Councillors Tokyo delegation consists of 4 members of the LDP, 2 JCP, 2 Komeito, 1 CDP, 1 Ishin, and 1 Reiwa. The members are elected from the Tokyo at-large district.

Class	#	Councillors	Party	Term ends	Incumbency
2019	1	Tamayo Marukawa	Liberal Democratic	28 July 2025	29 July 2007 – present
	2	Natsuo Yamaguchi	Komeito	28 July 2025	29 July 2001 – present
	3	Yoshiko Kira	Communist	28 July 2025	29 July 2013 – present
	4	Ayaka Shiomura	Constitutional Democratic	28 July 2025	29 July 2019 – present
	5	Shun Otokita	Ishin	28 July 2025	29 July 2019 – present
	6	Keizō Takemi	Liberal Democratic	28 July 2025	29 July 2013 – present
2022	1	Kentaro Asahi	Liberal Democratic	25 July 2028	26 July 2016 – present
	2	Toshiko Takeya	Komeito	25 July 2028	26 July 2010 – present
	3	Taku Yamazoe	Communist	25 July 2028	26 July 2016 – present
	4	Vacant
	5	Akiko Ikuina	Liberal Democratic	25 July 2028	26 July 2022 – present
	6	Taro Yamamoto	Reiwa	25 July 2028	26 July 2022 – present

References

↑ "東京都" (PDF). Ministry of Internal Affairs and Communications . Retrieved 3 February 2018.

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[1] "東京都" (PDF). Ministry of Internal Affairs and Communications . Retrieved 3 February 2018.

[1]

v t e First-past-the-post (FPTP) districts and proportional representation (PR) "blocks" for the Japanese House of Representatives of the National Diet (1996–present)
Speaker of the House of Representatives of Japan : Fukushiro Nukaga, Ibaraki 2nd Vice Speaker of the House of Representatives of Japan : Banri Kaieda, Tokyo PR
Hokkaidō	Block 8 seats Hokkaidō 1 2 3 4 5 6 7 8 9 10 11 12
Tōhoku	Block 12 seats Aomori 1 2 3 Iwate 1 2 3 Miyagi 1 2 3 4 5 Akita 1 2 3 Yamagata 1 2 3 Fukushima 1 2 3 4
Kita- (North) Kantō	Block 19 seats Ibaraki 1 2 3 4 5 6 7 Tochigi 1 2 3 4 5 Gunma 1 2 3 4 5 Saitama 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Minami- (South) Kantō	Block 23 seats Chiba 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Kanagawa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Yamanashi 1 2
Tokyo	Block 19 seats Tokyo 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Hokuriku-Shin'etsu	Block 10 seats Niigata 1 2 3 4 5 Toyama 1 2 3 Ishikawa 1 2 3 Fukui 1 2 Nagano 1 2 3 4 5
Tōkai	Block 21 seats Gifu 1 2 3 4 5 Shizuoka 1 2 3 4 5 6 7 8 Aichi 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Mie 1 2 3 4
Kinki	Block 28 seats Shiga 1 2 3 Kyoto 1 2 3 4 5 6 Osaka 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Hyōgo 1 2 3 4 5 6 7 8 9 10 11 12 Nara 1 2 3 Wakayama 1 2
Chūgoku	Block 10 seats Tottori 1 2 Shimane 1 2 Okayama 1 2 3 4 Hiroshima 1 2 3 4 5 6 Yamaguchi 1 2 3
Shikoku	Block 6 seats Tokushima 1 2 Kagawa 1 2 3 Ehime 1 2 3 Kōchi 1 2
Kyūshū	Block 20 seats Fukuoka 1 2 3 4 5 6 7 8 9 10 11 Saga 1 2 Nagasaki 1 2 3 Kumamoto 1 2 3 4 Ōita 1 2 3 Miyazaki 1 2 3 Kagoshima 1 2 3 4 Okinawa 1 2 3 4
Former districts	Abolished in 2002 Hokkaido 13 Yamagata 4 Shizuoka 9 Shimane 3 Oita 4 Abolished in 2013 Fukui 3 Yamanashi 3 Tokushima 3 Kochi 3 Saga 3 Abolished in 2017 Aomori 4 Iwate 4 Mie 5 Nara 4 Kumamoto 5 Kagoshima 5 Abolished in 2022 Miyagi 6 Fukushima 5 Niigata 6 Shiga 4 Wakayama 3 Okayama 5 Hiroshima 7 Yamaguchi 4 Ehime 4 Nagasaki 4