Aichi 1st district

Aichi 1st district
Aichi 1st district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of Aichi Prefecture single-member districts
Prefecture	Aichi
Proportional District	Tokai
Electorate	406,526
Current constituency
Created	1994
Seats	One
Party	Genzei-Yukoku
Representative	Takashi Kawamura
Municipalities	Higashi-ku, Kita-ku, Nishi-ku, and Naka-ku of Nagoya City

PrefectureAichi

Proportional DistrictTokai

Electorate406,526^[1]

Created1994

Aichi 1st district (愛知県第1区, Aichi-ken dai-ikku or simply 愛知1区, Aichi-ken ikku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Aichi Prefecture.

[1]

Election	Representative
1996^[4]	Takashi Kawamura	New Frontier
		Liberal
		Independent
2000^[5]		Democratic
2003^[6]
2005^[7]
Vacant (April 2009 - August 2009)
2009^[8]	Yuko Sato	Democratic
		Genzei Nippon
		Tax Cuts Japan
		Tomorrow
2012^[9]	Hiromichi Kumada	Liberal Democratic
2014^[10]
2017^[11]
2021^[12]
2024	Takashi Kawamura	Conservative
2026	Takashi Kawamura	Tax Cuts–Yukoku

Party		Candidate	Votes	%	±%
	Genzei–Yukoku	Takashi Kawamura (incumbent)	94,339	42.5	4.1
	LDP	Hiromichi Kumada (elected in Tōkai PR block)	72,144	35.2	11.4
	Centrist Reform	Tsunehiko Yoshida [ja]	40,038	18.1	5.5
	Sanseitō	Akane Konda	15,283	6.9
Registered electors			413,156
Turnout				54.50	3.69
	Genzei–Yukoku hold

Party		Candidate	Votes	%	±%
	Conservative	Takashi Kawamura	95,613	46.62	*New*
	Constitutional Democratic	Tsunehiko Yoshida [ja] (PR seat incumbent)	48,304	23.55
	Liberal Democratic	Hiromichi Kumada (incumbent)	43,381	21.15
	Ishin	Kōichi Yamamoto	17,810	8.68	New
Majority			47,309	23.07
Registered electors			409,375
Turnout				50.81	1.32
	CPJ gain from LDP

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito)	Hiromichi Kumada (incumbent)	94,107	48.81
	CDP	Tsunehiko Yoshida (PR seat incumbent) (won PR seat)	91,707	47.57	New
	Anti-NHK	Setsuko Kadota	6,988	3.62	New
Majority			2,400	1.24
Registered electors			400,338
Turnout				49.49	2.04
	LDP hold

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito)	Hiromichi Kumada (incumbent)	74,298	41.11
	CDP	Tsunehiko Yoshida (won PR seat)	57,780	31.97	New
	Kibō no Tō (endorsed by Genzei Nippon)	Yuko Sato	48,633	26.91	New
Majority			16,518	9.14
Registered electors			388,992
Turnout				47.45	0.24
	LDP hold

Aichi 1st district

since 1994

List of representatives

Election results

2026

2024

2021

2017

2014

2012

2009

2005

2003

2000

1996

References

Related Articles

Timelines

Top Qs

Fact Checks

Aichi 1st district
Parliamentary constituency for the Japanese House of Representatives

Numbered map of Aichi Prefecture single-member districts
Prefecture	Aichi
Proportional District	Tokai
Electorate	406,526^[1]
Current constituency
Created	1994
Seats	One
Party	Genzei-Yukoku
Representative	Takashi Kawamura
Municipalities	Higashi-ku, Kita-ku, Nishi-ku, and Naka-ku of Nagoya City

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito, NRP)	Hiromichi Kumada (incumbent)	73,003	42.39
	Democratic	Tsunehiko Yoshida [ja]	49,230	28.59
	Communist	Hiromitsu Ohno	20,143	11.70
	Genzei Nippon	Ichiro Hirosawa	18,343	10.65	New
	Future Generations	Sozaburo Mitamayama	6,422	3.73	New
	Social Democratic	Ryohei Hirayama	5,076	2.95	N/A
Majority			23,773	13.80
Registered electors			377,177
Turnout				47.21	5.59
	LDP hold

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito)	Hiromichi Kumada	77,215	40.73
	Tomorrow (endorsed by Daichi)	Yuko Sato (incumbent)	60,293	31.80	New
	Democratic (endorsed by PNP)	Tsunehiko Yoshida [ja]	36,578	19.29
	Communist	Soramitsu Ohno	15,512	8.18
Majority			16,922	8.93
Registered electors			373,297
Turnout				52.69	9.31
	LDP gain from Tomorrow

Party		Candidate	Votes	%	±%
	Democratic	Yuko Sato	122,348	54.39
	Liberal Democratic	Yōsuke Shinoda (PR seat incumbent)	78,691	34.98
	Communist	Emi Kimura	14,485	6.44
	Social Democratic	Ryohei Hirayama	6,082	2.70
	Happiness Realization	Seiji Kawada	3,352	1.49	New
Majority			43,657	19.41
Registered electors			369,526
Turnout				62.00	2.31
	Democratic hold

Party		Candidate	Votes	%	±%
	Democratic	Takashi Kawamura (incumbent)	105,449	49.96
	Liberal Democratic	Yōsuke Shinoda (won PR seat)	82,486	39.08
	Communist	Emi Kimura	15,585	7.38
	Social Democratic	Masakazu Kobayashi	7,560	3.58	New
Majority			22,963	10.88
Registered electors			360,007
Turnout				59.69	7.69
	Democratic hold

Party		Candidate	Votes	%	±%
	Democratic	Takashi Kawamura (incumbent)	97,617	54.20
	Liberal Democratic	Takehiko Tanida [ja] (PR seat incumbent)	64,968	36.07	N/A
	Communist	Emi Kimura	17,510	9.72
Majority			32,649	18.13
Registered electors			355,527
Turnout				52.00
	Democratic hold

Party		Candidate	Votes	%	±%
	Democratic	Takashi Kawamura (incumbent)	79,817	42.08	New
	Komeito (endorsed by LDP, NCP)	Yoneo Hirata [ja] (PR seat incumbent)	53,841	28.39	New
	Independent	Masayuki Miyata	27,689	14.60	New
	Communist	Yukiko Shintani	24,523	12.93
	Liberal	Akihiko Ishikawa	2,036	1.07	New
	Liberal League	Masako Ito	1,770	0.93	New
Majority			25,976	13.69
Turnout
	Democratic hold

Party		Candidate	Votes	%	±%
	New Frontier	Takashi Kawamura	66,876	40.03	New
	Liberal Democratic	Norio Imaeda [ja]	42,969	25.72	New
	Democratic	Taisuke Sato	33,503	20.06	New
	Communist	Mihoko Iwanaka	22,209	13.29	New
	Culture Forum	Masako Ito	616	0.37	New
	People's Party	Hiroshi Yamada	566	0.34	New
	Independent	Mitsuyuki Asano	312	0.19	New
Majority			23,907	14.31
Turnout
	New Frontier win (new seat)

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