Chiba 7th district

Chiba 7th district
Chiba 7th district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of the Chiba Prefecture single seats
Prefecture	Chiba
Proportional District	Southern Kanto
Electorate	297,486
Current constituency
Created	1994
Seats	One
Party	LDP
Representatives	Ken Saitō
Municipalities	Nagareyama and Noda

Chiba 7th district (千葉県第7区, Chiba-ken dai-nanaku or simply 千葉7区, Chiba-nanaku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Chiba Prefecture.

Areas covered

List of representatives

Election	Representative		Notes
1996^[7]	Kazuna Matsumoto	LDP
2000^[8]	Kazuna Matsumoto	LDP
2003^[9]	Akira Uchiyama	Democratic
2005^[10]	Kazumi Matsumoto	LDP	Resigned on January 18, 2006 because of the electoral scandal.
2006 by-el^[11]	Kazumi Ota	Democratic
2009^[12]	Akira Uchiyama	Democratic
		Kizuna
		PLF
		Tomorrow
2012^[13]	Ken Saitō	LDP
2014^[14]
2017^[15]
2021^[16]
2024^[17]

Election results

2024 • 2021 • 2017 • 2014 • 2012 • 2009 • 2006 by-el • 2005 • 2003 • 2000 • 1996

2024

2024^[17]
Party		Candidate	Votes	%	±%
	LDP	Ken Saitō (Incumbent)	82,606	54.17	0.82
	DPP	Kota Hirado	51,749	33.94	New
	JCP	Kiyoko Tokumasu	18,127	11.89	N/A
Majority			30,857	20.23
Registered electors			296,878
Turnout				52.69	1.85
	LDP hold

2021

2021^[16]
Party		Candidate	Votes	%	±%
	LDP	Ken Saitō (Incumbent)	127,548	54.99	0.46
	CDP	Chiharu Takeuchi	71,048	30.63	New
	Ishin	Akira Uchiyama	28,594	12.33	New
	Anti-NHK	Kunihiro Watanabe	4,749	2.05	New
Majority			56,500	24.36
Registered electors			434,040
Turnout				54.54	3.12
	LDP hold

2017

2017^[15]
Party		Candidate	Votes	%	±%
	LDP	Ken Saitō (Incumbent)	115,731	54.53	0.52
	CDP	Sadamichi Ishizuka	51,776	24.40	New
	Kibō no Tō	Rina Hatano	29,706	14.00	New
	JCP	Takao Watanabe	15,025	7.07	6.47
Majority			63,955	30.13
Registered electors			421,071
Turnout				51.42	0.01
	LDP hold

2014

2014^[14]
Party		Candidate	Votes	%	±%
	LDP	Ken Saitō (Incumbent)	111,030	55.05	9.24
	Innovation	Sadamichi Ishizuka	48,651	24.12	New
	JCP	Takao Watanabe	27,306	13.54	8.26
	Social Democratic	Harumasa Abe	14,718	7.29	4.63
Majority			62,379	30.93
Registered electors			403,843
Turnout				51.41	7.13
	LDP hold

2012

2012^[13]
Party		Candidate	Votes	%	±%
	LDP	Ken Saitō	104,839	45.81	5.10
	Restoration	Chikatsu Hayashi	29,665	12.96	New
	Democratic	Ken Nakazawa	28,970	12.66	36.39
	Tomorrow	Akira Uchiyama (Incumbent)	24,216	10.58	New
	Your	Sadamichi Ishizuka	22,999	10.05	New
	JCP	Takao Watanabe	12,080	5.28	N/A
	Social Democratic	Katsuko Murakami	6,096	2.66	6.35
Majority			75,174	32.85
Registered electors			401,267
Turnout				58.54	7.46
	LDP gain from Tomorrow

2009

2009^[12]
Party		Candidate	Votes	%	±%
	Democratic	Akira Uchiyama	125,647	49.05	5.83
	LDP	Ken Saitō (Won PR seat)	104,262	40.71	8.36
	Social Democratic	Keiko Ueda	23,086	9.01	N/A
	Happiness Realization	Masahiko Makino	3,140	1.23	New
Majority			21,385	8.34
Registered electors			396,926
Turnout				66.00	1.25
	Democratic hold

2006 by-election

2006 Chiba 7th district by-election^[11]
Party		Candidate	Votes	%	±%
	Democratic	Kazumi Ota	87,046	45.91	2.69
	LDP	Ken Saitō	86,091	45.40	3.67
	JCP	Kiyoko Tokumasu	14,274	7.53	0.18
	Independent	Shinichiro Miyaoka	1,530	0.81	N/A
	Independent	Takanori Kobayashi	681	0.35	New
Majority			955	0.51
Registered electors
Turnout
	Democratic gain from LDP

2005

2005^[10]
Party		Candidate	Votes	%	±%
	LDP	Kazumi Matsumoto	118,801	49.07	7.49
	Democratic	Akira Uchiyama (Incumbent) (Won PR seat)	104,630	43.22	4.81
	JCP	Kiyoko Tokumasu	18,658	7.71	0.46
Majority			14,171	5.85
Registered electors			384,718
Turnout				64.75	9.14
	LDP gain from Democratic

2003

2003^[9]
Party		Candidate	Votes	%	±%
	Democratic	Akira Uchiyama	96,915	48.03	18.30
	LDP	Kazumi Matsumoto	83,899	41.58	2.80
	JCP	Takao Watanabe	16,481	8.17	7.07
	Independent	Shinichiro Miyaoka	4,485	2.22	New
Majority			13,016	6.45
Registered electors			382,440
Turnout				55.61	3.49
	Democratic gain from LDP

2000

2000^[8]
Party		Candidate	Votes	%	±%
	LDP	Kazuna Matsumoto (Incumbent)	81,252	38.78	2.40
	Democratic	Akira Uchiyama	62,292	29.73	New
	JCP	Nanae Senoo	31,930	15.24	1.85
	Social Democratic	Torao Kitakado	24,432	11.66	New
	Liberal League	Kazuo Misumi	9,637	4.59	3.07
Majority			18,960	9.05
Registered electors			373,320
Turnout				59.10
	LDP hold

1996

1996^[7]
Party		Candidate	Votes	%	±%
	LDP	Kazuna Matsumoto	71,306	36.38	*New*
	New Frontier	Etsuro Miyamoto	53,484	27.29	New
	Democratic	Kazuko Yuasa	41,980	21.42	New
	JCP	Hiroo Wakaōji	26,242	13.39	New
	Liberal League	Osamu Imaizumi	2,968	1.52	New
Majority			17,822	9.09
Registered electors
Turnout
	LDP win (new seat)

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 January 13, 2025.
^ "Chiba" (PDF). Minister for Internal Affairs and Communications. Retrieved January 13, 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 January 13, 2025.
^ "Chiba" (PDF). Minister for Internal Affairs and Communications. Retrieved January 13, 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 January 13, 2025.
^ ^a ^b "第41回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "第42回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "第43回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "第44回衆議院議員総選挙 - 千葉7区". The Asahi Shinbun (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "第44回衆議院議員補欠選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "第45回衆議院議員総選挙 - 千葉7区". The Asahi Shinbun (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "開票結果小選挙区千葉". The Asahi Shimbun (in Japanese). Retrieved January 13, 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 January 13, 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 January 13, 2025.
^ ^a ^b "2021年衆議院議員総選挙千葉". NHK (in Japanese). Retrieved January 13, 2025.
^ ^a ^b "2024年衆議院議員総選挙千葉". NHK (in Japanese). Retrieved January 13, 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 January 13, 2025.

[3] "Chiba" (PDF). Minister for Internal Affairs and Communications. Retrieved January 13, 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 January 13, 2025.

[5] "Chiba" (PDF). Minister for Internal Affairs and Communications. Retrieved January 13, 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 January 13, 2025.

[elect96-7] "第41回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.

[elect00-8] "第42回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.

[elect03-9] "第43回衆議院議員総選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.

[elect05-10] "第44回衆議院議員総選挙 - 千葉7区". The Asahi Shinbun (in Japanese). Retrieved January 13, 2025.

[elect06-11] "第44回衆議院議員補欠選挙 - 千葉7区". Senkyo.com (in Japanese). Retrieved January 13, 2025.

[elect09-12] "第45回衆議院議員総選挙 - 千葉7区". The Asahi Shinbun (in Japanese). Retrieved January 13, 2025.

[elect12-13] "開票結果小選挙区千葉". The Asahi Shimbun (in Japanese). Retrieved January 13, 2025.

[elect14-14] "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 January 13, 2025.

[elect17-15] "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 January 13, 2025.

[elect21-16] "2021年衆議院議員総選挙千葉". NHK (in Japanese). Retrieved January 13, 2025.

[elect24-17] "2024年衆議院議員総選挙千葉". NHK (in Japanese). Retrieved January 13, 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 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