Hiroshima 4th district

Hiroshima 4th district
Hiroshima 4th district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of the Hiroshima Prefecture single seats
Prefecture	Hiroshima
Proportional District	Chūgoku
Electorate	389,763
Current constituency
Created	1994
Seats	One
Party	Ishin
Representative	Seiki Soramoto
Municipalities	Etajima, Higashihiroshima, Kure, and Takehara, Toyota District and part of Aki District (Kumano town).

Hiroshima 4th district (広島県第4区, Hiroshima-ken dai-yonku or simply 広島4区, Hiroshima-yonku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Hiroshima Prefecture.

Areas covered

List of representatives

Election	Representative
1996^[7]	Hidenao Nakagawa	LDP
2000^[8]
2003^[9]
2005^[10]
2009^[11]	Seiki Soramoto	Democratic
2012^[12]	Toshinao Nakagawa	LDP
2014^[13]		LDP
2014^[13]		Independent
2017^[14]	Masayoshi Shintani	LDP
2021^[15]	Masayoshi Shintani	LDP
2024^[16]	Seiki Soramoto	Ishin

Election results

2024

2024^[16]
Party		Candidate	Votes	%	±%
	Ishin	Seiki Soramoto	93,707	50.55
	LDP	Minoru Terada (Won PR seat)	91,653	49.45
Majority			2,054	1.10
Registered electors			388,800
Turnout				50.28	2.90
	Ishin gain from LDP

2021

2021^[15]
Party		Candidate	Votes	%	±%
	LDP	Masayoshi Shintani	78,253	48.30
	CDP	Kanji Ueno	33,681	20.79	New
	Ishin	Seiki Soramoto (Won PR seat)	28,966	17.88
	Independent	Toshinao Nakagawa	21,112	13.03	New
Majority			44,572	27.51
Registered electors			309,781
Turnout				53.18	3.52
	LDP hold

2017

2017^[14]
Party		Candidate	Votes	%	±%
	LDP	Masayoshi Shintani	64,911	43.64
	Ishin	Seiki Soramoto	28,562	19.20	New
	Independent	Keiji Ebisu	20,366	13.69	New
	Kibō no Tō	Kanji Ueno	16,803	11.30	New
	JCP	Hitoshi Nakaishi	10,884	7.32
	Independent	Yoji Ochiai	7,210	4.85	New
Majority			36,349	24.44
Registered electors			307,470
Turnout				49.66	1.20
	LDP gain from Independent

2014

2014^[13]
Party		Candidate	Votes	%	±%
	LDP	Toshinao Nakagawa	89,748	64.93
	Future Generations	Hiromu Nakamaru	26,977	19.52	New
	JCP	Hitoshi Nakaishi	21,500	15.55
Majority			62,771	45.41
Registered electors			298,095
Turnout				48.46	7.79
	LDP hold

2012

2012^[12]
Party		Candidate	Votes	%	±%
	LDP	Toshinao Nakagawa	91,611	57.79
	Democratic	Seiki Soramoto	53,340	33.65
	JCP	Hitoshi Nakaishi	13,576	8.56	N/A
Majority			38,271	24.14
Registered electors			295,992
Turnout				56.25	14.53
	LDP gain from Democratic

2009

2009^[11]
Party		Candidate	Votes	%	±%
	Democratic	Seiki Soramoto	102,435	50.28
	LDP	Hidenao Nakagawa (Won PR seat)	97,296	47.76
	Happiness Realization	Yuri Oki	4,003	1.96	New
Majority			5,139	2.52
Registered electors			293,632
Turnout				70.78
	Democratic gain from LDP

2005

2005^[10]
Party		Candidate	Votes	%
	LDP	Hidenao Nakagawa	110,046	58.46
	Democratic	Seiki Soramoto	67,921	36.08
	JCP	Hitoshi Nakaishi	10,270	5.46
Majority			42,125	22.38
Registered electors
Turnout
	LDP hold

2003

2003^[9]
Party		Candidate	Votes	%	±%
	LDP	Hidenao Nakagawa	86,275	54.74
	Democratic	Seiki Soramoto	49,784	31.59	New
	Social Democratic	Hideaki Matsui	9,681	6.14
	JCP	Hitoshi Nakaishi	6,636	4.21
	Independent	Teiko Horima	5,225	3.32	New
Majority			36,491	23.15
Registered electors
Turnout
	LDP hold

References

^ Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)
^ "衆議院トップページ >立法情報 >制定法律情報 >第210回国会　制定法律の一覧 >公職選挙法の一部を改正する法律法律第八十九号（令四・一一・二八）". House of Representatives of Japan. November 28, 2022. Retrieved September 22, 2025.
^ "Hiroshima" (PDF). Minister for Internal Affairs and Communications. Retrieved September 22, 2025.
^ "衆議院トップページ >立法情報 >制定法律情報 >第183回国会　制定法律の一覧 >衆議院小選挙区選出議員の選挙区間における人口較差を緊急に是正するための公職選挙法及び衆議院議員選挙区画定審議会設置法の一部を改正する法律の一部を改正する法律法律第六十八号（平二五・六・二八）". House of Representatives of Japan. June 28, 2013. Retrieved September 22, 2025.
^ "Hiroshima" (PDF). Minister for Internal Affairs and Communications. Retrieved September 22, 2025.
^ "衆議院トップページ >立法情報 >制定法律情報 >第131回国会　制定法律の一覧 >法律第百四号（平六・一一・二五）". House of Representatives of Japan. November 25, 1994. Retrieved September 22, 2025.
^ "第41回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.
^ "第42回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "第43回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "第44回衆議院議員総選挙 - 広島4区". The Asahi Shinbun (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "第45回衆議院議員総選挙 - 広島4区". The Asahi Shinbun (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "開票結果小選挙区広島". The Asahi Shimbun (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "2014衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "2017衆院選:衆議院議員総選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "2021年衆議院議員総選挙広島". NHK (in Japanese). Retrieved September 22, 2025.
^ ^a ^b "2024年衆議院議員総選挙広島". NHK (in Japanese). Retrieved September 22, 2025.

[1] Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)

[2] "衆議院トップページ >立法情報 >制定法律情報 >第210回国会　制定法律の一覧 >公職選挙法の一部を改正する法律法律第八十九号（令四・一一・二八）". House of Representatives of Japan. November 28, 2022. Retrieved September 22, 2025.

[3] "Hiroshima" (PDF). Minister for Internal Affairs and Communications. Retrieved September 22, 2025.

[4] "衆議院トップページ >立法情報 >制定法律情報 >第183回国会　制定法律の一覧 >衆議院小選挙区選出議員の選挙区間における人口較差を緊急に是正するための公職選挙法及び衆議院議員選挙区画定審議会設置法の一部を改正する法律の一部を改正する法律法律第六十八号（平二五・六・二八）". House of Representatives of Japan. June 28, 2013. Retrieved September 22, 2025.

[5] "Hiroshima" (PDF). Minister for Internal Affairs and Communications. Retrieved September 22, 2025.

[6] "衆議院トップページ >立法情報 >制定法律情報 >第131回国会　制定法律の一覧 >法律第百四号（平六・一一・二五）". House of Representatives of Japan. November 25, 1994. Retrieved September 22, 2025.

[elect96-7] "第41回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.

[elect00-8] "第42回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.

[elect03-9] "第43回衆議院議員総選挙 - 広島4区". Senkyo.com (in Japanese). Retrieved September 22, 2025.

[elect05-10] "第44回衆議院議員総選挙 - 広島4区". The Asahi Shinbun (in Japanese). Retrieved September 22, 2025.

[elect09-11] "第45回衆議院議員総選挙 - 広島4区". The Asahi Shinbun (in Japanese). Retrieved September 22, 2025.

[elect12-12] "開票結果小選挙区広島". The Asahi Shimbun (in Japanese). Retrieved September 22, 2025.

[elect14-13] "2014衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved September 22, 2025.

[elect17-14] "2017衆院選:衆議院議員総選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved September 22, 2025.

[elect21-15] "2021年衆議院議員総選挙広島". NHK (in Japanese). Retrieved September 22, 2025.

[elect24-16] "2024年衆議院議員総選挙広島". NHK (in Japanese). Retrieved September 22, 2025.

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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