Aichi's Diet electoral districts

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

All seats

Aichi Prefecture currently sends 34 elected members to the Diet of Japan, 26 to the House of Representatives and 8 to the House of Councillors.

[1]

District	Representative	Party	Incumbency
1st	Takashi Kawamura	Genzei-Yukoku	28 October 2024 – present
2nd	Motohisa Furukawa	DPP	21 October 1996 – present
3rd	Yoshihiko Mizuno	LDP	9 February 2026 – present
4th	Shōzō Kudō	LDP	17 December 2012 – present
5th	Yasuhiro Okamoto	LDP	9 February 2026 – present
6th	Hideki Niwa	LDP	24 April 2011 – present
7th	Saria Hino	DPP	28 October 2024 – present
8th	Tadahiko Itō	LDP	17 December 2012 – present
9th	Yasumasa Nagasaka	LDP	17 December 2012 – present
10th	Shinji Wakayama	LDP	28 October 2024 – present
11th	Midori Tanno	DPP	28 October 2024 – present
12th	Shuhei Aoyama	LDP	9 February 2026 – present
13th	Taku Ishii	LDP	9 February 2026 – present
14th	Soichiro Imaeda	LDP	17 December 2012 – present
15th	Yukinori Nemoto	LDP	17 December 2012 – present
16th	Shizuo Yamashita	LDP	9 February 2026 – present

Party	Representative	District contested	Incumbency
LDP	Junji Suzuki	Aichi 7th	9 February 2026 – present
	Hiromichi Kumada	Aichi 1st	9 February 2026 – present
	Hideki Tsuji	Aichi 2nd	9 February 2026 – present
	Tadamori Fujisawa	Aichi 11th	9 February 2026 – present
	Takamoto Nakagawa	None	9 February 2026 – present
CRA	Akiyoshi Inukai	None	9 February 2026 – present
CRA	Kazuhiko Shigetoku	Aichi 12th	17 December 2012 – present
DPP	Toru Fukuta	Aichi 16th	28 October 2024 – present
Sanseitō	Airi Watanabe	Aichi 5th	9 February 2026 – present
Ishin	Kenichiro Seki	Aichi 15th	9 February 2026 – present

Class	#	Councillors	Party	Term ends	Incumbency
2022	1	Masahito Fujikawa	LDP	25 July 2028	26 July 2010 – present
	2	Ryūji Satomi	Komeito	25 July 2028	26 July 2016 – present
	3	Yoshitaka Saitō	CDP	25 July 2028	26 July 2010 – present
	4	Takae Itō	DPP	25 July 2028	26 July 2016 – present
2025	1	Koichi Mizuno	DPP	28 July 2031	29 July 2025 – present
	2	Maiko Tajima	CDP	28 July 2031	29 July 2019 – present
	3	Junko Sugimoto	Sanseitō	28 July 2031	29 July 2025 – present
	4	Yasuyuki Sakai	LDP	28 July 2031	29 July 2013 – present

v t e Aichi's electoral districts for the Diet of Japan
FPTP "small" districts (1996–present) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PR part of the Tōkai PR block (21 seats) House of Councillors At-large (15→16 Representatives, 6→8 Councillors)
SNTV "medium-sized" districts (1947–1993) 1 2 3 4 5 6 (19→22 Representatives, 6 Councillors)
Limited voting "large" districts (1946) 1 2 (18 Representatives)
SNTV "medium-sized" districts (1928–1942) 1 2 3 4 5 (17 Representatives)
FPTP/SNTV "small" districts (1920–1924) 1 2 3 4 5 6 7 8 9 10 11 12 13 (17 Representatives)
SNTV "large" districts (1902–1917) Nagoya city counties (gunbu) (13 Representatives)
FPTP/bloc voting "small" districts (1890–1898) 1 2 3 4 5 6 7 8 9 10 11 (11 Representatives)

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: Eisuke Mori, Chiba 11th Vice Speaker of the House of Representatives of Japan: Keiichi Ishii, Northern Kanto 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

Aichi's Diet electoral districts

Constituency seats

PR seats

House of Councillors

References

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