Tokyo 19th district

Tokyo 19th District
Tokyo 19th District
東京都第19区
Parliamentary constituency; for the Japanese House of Representatives
Prefecture	Tokyo
Proportional Block	Tokyo
Electorate	334,159 (as of 1 September 2022)
Current constituency
Created	1994
Seats	One
Party	LDP
Representative	Yohei Matsumoto

Tokyo 19th District (東京都第19区, Tokyo-to dai-jukyu-ku) is an electoral district of the Japanese House of Representatives. The district was created in 1994 as part of the move towards single-member districts.

Areas covered

Current district

As of 16 January 2023, the areas covered by this district are as follows:^[2]

As part of the 2022 redistricting, Nishitokyo was moved to the 18th district and Kunitachi was returned from the 21st district.

Areas 2017–2022

From the second redistricting in 2017 until the third redistricting in 2022, the areas covered by this district were as follows:^[3]^[4]

As part of the 2017 redistricting, Kunitachi was moved to the 21st district.

Areas 2002–2017

From the first redistricting in 2002 until the second redistricting in 2017, the areas covered by this district were as follows:^[5]

in 2001, Hōya and Tanashi merged to create the new city of Nishitokyo.

Areas from before 2002

From the creation of the district in 1994, until the first redistricting in 2002, the areas covered by this district were as follows:^[6]

Elected representatives

Representatives		Years served	Notes
Yoshinori Suematsu	DP	1996-2000
Yoshinori Suematsu	DPJ	2000-2005	Elected to the Tokyo PR district in the 2005 general election.^[7]
Yohei Matsumoto	LDP	2005-2009	Not re-elected in the 2009 general election.^[8]
Yoshinori Suematsu	DPJ	2009-2012	Not re-elected in the 2012 general election.^[9]
Yohei Matsumoto	LDP	2012-2021	Elected to the Tokyo PR district in the 2021 general election.^[10]
Yoshinori Suematsu	CDP	2021-2026
Yohei Matsumoto	LDP	2026-

Election results

‡ - Also ran in the Tokyo PR district

‡‡ - Also ran and won in the Tokyo PR district

2026
Party		Candidate	Votes	%	±%
	LDP	Yohei Matsumoto^‡	93,697	45.9	6.7
	Centrist Reform	Yoshinori Suematsu^‡ (incumbent)	54,345	26.6	12.8
	DPP	Reiko Suwa^‡	28,452	13.9
	JCP	Mitsuko Ideshige	14,350	7.0	3.5
	Sanseitō	Yōko Ichinose	13,463	6.6
Registered electors			334,029
Turnout				62.07	1.82
	LDP gain from Centrist Reform

2024^[11]
Party		Candidate	Votes	%	±%
	CDP	Yoshinori Suematsu (incumbent)	76,899	39.43	3.60
	LDP	Yohei Matsumoto‡‡	74,435	38.16	4.04
	Ishin	Kei'ichirō Yoshida	23,289	11.94	2.83
	JCP	Mitsuko Ideshige	20,417	10.47
Turnout			195,040	60.25	0.25

2021^[10]
Party		Candidate	Votes	%	±%
	CDP	Yoshinori Suematsu^‡ (incumbent - Tokyo PR)	111,267	43.0	4.3
	LDP	Yohei Matsumoto^‡‡ (incumbent) (endorsed by Komeito)	109,131	42.2	1.1
	Ishin	Hideaki Yamazaki^‡	38,182	14.8	New
Registered electors			439,147
Turnout			263,488	60.0	4.2
	CDP gain from LDP		Swing	2.2

2017^[12]
Party		Candidate	Votes	%	±%
	LDP	Yohei Matsumoto^‡ (incumbent) (endorsed by Komeito)	96,229	41.1	0.1
	CDP	Yoshinori Suematsu^‡‡	90,540	38.7	New
	Kibō no Tō	Rika Sasaki^‡	29,743	12.7	New
	JCP	Shigeo Sugishita	17,377	7.4	6.6
Registered electors			425,966
Turnout			237,859	55.8	1.6
	LDP hold		Swing	3.4

2014^[13]
Party		Candidate	Votes	%	±%
	LDP	Yohei Matsumoto^‡	107,608	41.0	6.6
	Democratic	Yoshinori Suematsu^‡ (endorsed by the JIP)	87,584	33.3	5.7
	JCP	Tamishi Koizumi	36,878	14.0	5.6
	Japanese Kokoro	Hiroshi Yamada^‡	30,658	11.7	New
Registered electors			470,785
Turnout			270,278	57.4	7.8
	LDP hold		Swing	3.5

2012^[9]
Party		Candidate	Votes	%	±%
	LDP	Yohei Matsumoto^‡	101,362	34.4	0.3
	Democratic	Yoshinori Suematsu^‡ (incumbent) (endorsed by the PNP)	81,490	27.6	27.4
	Restoration	Hiroshi Yamada^‡‡ (endorsed by Your Party)	64,857	22.0	New
	JCP	Mitsuko Ide	24,660	8.4	0.6
	Tomorrow	Koichiro Watanabe^‡ (incumbent - Tokyo PR) (endorsed by the NDP)	22,445	7.6	New
Registered electors			466,796
Turnout			304,444	65.2	2.9
	LDP gain from Democratic		Swing	6.3

2009^[8]
Party		Candidate	Votes	%	±%
	Democratic	Yoshinori Suematsu^‡ (incumbent - Tokyo PR)	170,437	55.0	10.1
	LDP	Yohei Matsumoto^‡ (incumbent)	105,721	34.1	12.2
	JCP	Akio Shimizu	27,860	9.0	0.3
	Independent	Saeko Takahashi	2,912	0.9	New
	Happiness Realization	Shinichiro Ishida	2,740	0.9	New
Registered electors			462,375
Turnout			314,924	68.1	0.2
	Democratic gain from LDP		Swing	9.3

2005^[7]
Party		Candidate	Votes	%	±%
	LDP	Yohei Matsumoto^‡	138,596	46.3	11.9
	Democratic	Yoshinori Suematsu^‡‡ (incumbent)	133,180	44.5	8.4
	JCP	Akio Shimizu	27,811	9.3	0.4
Registered electors			449,209
Turnout			304,788	67.9	8.0
	LDP gain from Democratic		Swing	9.2

2003^[14]
Party		Candidate	Votes	%	±%
	Democratic	Yoshinori Suematsu^‡ (incumbent)	136,082	52.9	7.5
	LDP	Yohei Matsumoto^‡	88,501	34.4	6.5
	JCP	Tomoaki Fujioka	22,921	8.9	5.6
	Social Democratic	Shozo Yokota^‡	9,529	3.7	New
Registered electors			441,891
Turnout			264,658	59.9	2.9
	Democratic hold		Swing	3.8

2000^[15]
Party		Candidate	Votes	%	±%
	Democratic	Yoshinori Suematsu^‡	118,852	45.4	*New*
	LDP	Koji Tsukahara^‡	73,076	27.9	7.7
	JCP	Toshikiyo Miyauchi	38,040	14.5	0.5
	Liberal	Koichiro Watanabe^‡	31,772	12.1	New
Registered electors			426,638
Turnout			267,843	62.8	4.1
	Democratic gain from Democratic		Swing	N/A

1996^[16]
Party		Candidate	Votes	%	±%
	Democratic	Yoshinori Suematsu^‡	76,599	32.5	*New*
	New Frontier	Koichiro Watanabe (incumbent - former Tokyo 7th district)	54,641	23.2	New
	LDP	Tetsuo Kaneko^‡	47,675	20.2	New
	JCP	Atsuro Asakura	33,075	14.0	New
	Social Democratic	Hiroshi Tsunematsu^‡	21,557	9.2	New
	Liberal League	Taro Ito^‡	1,998	0.9	New
Registered electors			409,680
Turnout			240,277	58.7	New
	Democratic win (new seat)

References

↑ "令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数" [Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022]. Ministry of Internal Affairs and Communications (in Japanese). Retrieved 2023-01-13.
↑ "東京都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2022. Retrieved 2023-01-15.
↑ "衆議院議員選挙区画定審議会設置法及び公職選挙法の一部を改正する法律の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-16.
↑ "東京都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2017. Retrieved 2023-01-16.
↑ "公職選挙法の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-16.
↑ "法律第百四号（平六・一一・二五）". www.shugiin.go.jp. Retrieved 2023-01-16.
1 2 "東京19区 - 第44回衆議院議員選挙" [Tokyo 19th District - 44th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
1 2 "東京19区 - 第45回衆議院議員選挙" [Tokyo 19th District - 45th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
1 2 "東京19区 - 第46回衆議院議員選挙" [Tokyo 19th District - 46th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
1 2 "東京19区 - 第49回衆議院議員選挙" [Tokyo 19th District - 49th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
↑ 日本放送協会. "衆議院選挙2024 埼玉(川越・越谷など)開票速報・選挙結果 NHK". www.nhk.or.jp (in Japanese). Retrieved 2025-03-31.
↑ "東京19区 - 第48回衆議院議員選挙" [Tokyo 19th District - 48th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
↑ "東京19区 - 第47回衆議院議員選挙" [Tokyo 19th District - 47th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
↑ "東京19区 - 第43回衆議院議員選挙" [Tokyo 19th District - 43rd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
↑ "東京19区 - 第42回衆議院議員選挙" [Tokyo 19th District -l 42nd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
↑ "東京19区 - 第41回衆議院議員選挙" [Tokyo 19th District - 41st House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[1] "令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数" [Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022]. Ministry of Internal Affairs and Communications (in Japanese). Retrieved 2023-01-13.

[2] "東京都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2022. Retrieved 2023-01-15.

[3] "衆議院議員選挙区画定審議会設置法及び公職選挙法の一部を改正する法律の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-16.

[4] "東京都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2017. Retrieved 2023-01-16.

[5] "公職選挙法の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-16.

[6] "法律第百四号（平六・一一・二五）". www.shugiin.go.jp. Retrieved 2023-01-16.

[Elect2005-7] 1 2 "東京19区 - 第44回衆議院議員選挙" [Tokyo 19th District - 44th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[Elect2009-8] 1 2 "東京19区 - 第45回衆議院議員選挙" [Tokyo 19th District - 45th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[Elect2012-9] 1 2 "東京19区 - 第46回衆議院議員選挙" [Tokyo 19th District - 46th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[Elect2021-10] 1 2 "東京19区 - 第49回衆議院議員選挙" [Tokyo 19th District - 49th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[11] 日本放送協会. "衆議院選挙2024 埼玉(川越・越谷など)開票速報・選挙結果 NHK". www.nhk.or.jp (in Japanese). Retrieved 2025-03-31.

[12] "東京19区 - 第48回衆議院議員選挙" [Tokyo 19th District - 48th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[13] "東京19区 - 第47回衆議院議員選挙" [Tokyo 19th District - 47th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[14] "東京19区 - 第43回衆議院議員選挙" [Tokyo 19th District - 43rd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[15] "東京19区 - 第42回衆議院議員選挙" [Tokyo 19th District -l 42nd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

[16] "東京19区 - 第41回衆議院議員選挙" [Tokyo 19th District - 41st House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

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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

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