Tokyo 4th district

Tokyo 4th District
Tokyo 4th District
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of inner Tokyo single-member districts
Prefecture	Tokyo
Proportional District	Tokyo
Electorate	425,428 (2022)
Major settlements	Kamata, Ōmori, Haneda
Current constituency
Created	1994
Party	LDP
Representative	Masaaki Taira
Tokyo special Wards	Much of Ōta

Tokyo 4th district (東京都第4区 Tōkyō-to dai 4-ku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in southern Tokyo city and consists of much of Ōta Ward (Kamata, Ōmori, Haneda.) The seat is held by Masaaki Taira, a member of the Liberal Democratic Party since 2012.

Quick facts 4th District, Prefecture ...

As of September 2022, 425,428 voters were registered in the district.^[1]

Representatives	Party		Dates	Notes
Shoukei Arai		Independent	1996–1998	Redistricted from the former 2nd district. Died in office.^[2]
Kensaku Morita		LDP	1998–2000
		Independent	2000	Re-elected in 2000.
		LDP	2000–2003	Did not run for re-election.
Kazuyoshi Nakanishi		LDP	2003–2005	Resigned mid-term.^[3]
Masaaki Taira		LDP	2005–2009	Re-elected in the Tokyo PR block.
Fujita Norihiko		DPJ	2009–2012	Lost re-election.
Masaaki Taira		LDP	2012– present	Re-elected in 2014, 2017, 2021, 2024

Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Incumbent)	86,773	40.22%	11.28%
	DPP	Masae Ido	51,810	24.02%
	JCP	Tomoyuki Tanigawa	32,909	15.25%	9.65%
	Ishin	Masatoshi Ishikawa	32,063	14.86%	8.74%
	Sanseitō	Yūta Shiodera	12,176	5.64
Turnout			215,731	50.7	3.7%

Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Incumbent) (Endorsed by Komeito)	128,708	51.5	0.7
	JCP	Tomoyuki Tanigawa	62,286	24.9	13.6
	Ishin	Hayashi Tomoko	58,891	23.6	New
Turnout			474,029	54.4	3.7
	LDP hold

Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Incumbent) (Endorsed by Komeito)	115,239	50.8	0.5
	CDP	Masae Ido	53,480	23.3	New
	Kibō no Tō	Michiyo Namba	35,352	15.4	New
	JCP	Kohei Aoyama	26,037	11.3	6.6
Turnout			466,486	50.7	1.5
	LDP hold

Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Incumbent) (Endorsed by Komeito)	109,377	50.3	10.9
	Democratic	Fujita Norihiko (Endorsed by Japan Innovation Party)	48,861	22.5	5.2
	JCP	Junpei Yamamoto	38,925	17.9	8.1
	Japanese Kokoro	Hirekazu Inubushi	20,108	18.4	New
Turnout			432,784	52.3	7.7
	LDP hold

List of representatives

2012 Japanese general election
Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Endorsed by Komeito)	96,810	39.4	1.9
	Restoration	Hirekazu Inubushi	44,999	18.3	New
	Democratic	Fujita Norihiko (Incumbent) (Endorsed by People's New Party)	42,424	17.3	20.3
	Your	Masashi Hirose	34,902	14.2	New
	JCP	Junpei Yamamoto	24,167	9.8	0.9
	Euthanasia party	Hidemitsu Sano	2,603	1.1	New
Turnout			427,018	60.0	4.2
	LDP gain from Democratic

2009 Japanese general election
Party		Candidate	Votes	%	±%
	Democratic	Fujita Norihiko	100,067	37.5	3.8
	LDP	Masaaki Taira (Incumbent) (Endorsed by Komeito)	93,583	35.1	11.6
	Independent	Noboru Usami	46,107	17.3	New
	JCP	Kaname Shibuya	23,622	8.9	0.9
	Happiness Realization	Kikue Shimokawa	3,323	1.3	New
Turnout			426,496	64.2	0.3
	Democratic gain from LDP

2005 Japanese general election
Party		Candidate	Votes	%	±%
	LDP	Masaaki Taira (Incumbent)	119,812	46.7	5.3
	Democratic	Usami Noboru	86,354	33.7	1.9
	JCP	Fuminori Sato	25,077	9.8	1.1
	Independent	Kazuyoshi Nakanishi	19,955	7.8	New
	Independent	Sato Hiromi	5,313	2.1	New
Turnout			N/A	63.9	4.0
	LDP hold

2003 Japanese general election
Party		Candidate	Votes	%	±%
	LDP	Kazuyoshi Nakanishi	90,693	41.4	3.0
	Democratic	Usami Noboru	77,953	35.6	15.0
	New Conservative	Eriko Yamatani	26,707	12.2	New
	JCP	Tomio Yamaguchi	23,942	10.9	4.2
Turnout			N/A	59.9	2.6
	LDP hold