Chiba 1st district

Chiba 1st District
Chiba 1st District
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of Chiba Prefecture single-member districts
Prefecture	Chiba
Proportional District	Southern Kanto
Electorate	433,793
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Kaname Tajima
Created from	Chiba 1st "medium-sized" district
Municipalities	Chiba; (Chūōku, Inage-ku, and Mihama-ku)

Chiba 1st district (千葉県第1区, Chiba-ken dai-ikku or simply 千葉1区, Chiba-ikku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in the city of Chiba, Chiba Prefecture.

List of representatives

Election	Representative		Dates
1996	Hideo Usui	LDP	1996 – 2003
2000	Hideo Usui	LDP	1996 – 2003
2003	Kaname Tajima	DPJ	2003 – 2005
2005	Hideo Usui	LDP	2005 – 2009
2009	Kaname Tajima	DPJ	2009 – 2016
2012
2014
		DP	2016-2017
		Kibō	2017
2017	Hiroaki Kadoyama<ja>	LDP	2017 – 2021
2021	Kaname Tajima	CDP	2021–present

Election Results

2021^[2]
Party		Candidate	Votes	%	±%
	CDP	Kaname Tajima (Incumbent-PR)	128,556	56.27	New
	LDP	Hiroaki Kadoyama<ja> (Incumbent) (elected by PR)	99,895	43.73	3.04
Registered electors			430,513
Turnout			228,451	54.51	4.82

2017^[3]
Party		Candidate	Votes	%	±%
	LDP	Hiroaki Kadoyama (Incumbent-PR)	82,838	40.69	3.38
	Kibō	Kaname Tajima (Incumbent) (elected by PR)	81,481	40.03	New
	JCP	Takashi Ohno	24,231	11.90	3.08
	Ishin	Yutaka Hasegawa<ja>	15,014	7.38	New
Registered electors			419,847
Turnout			203,564	49.69	2.72

2014^[4]
Party		Candidate	Votes	%	±%
	DPJ	Kaname Tajima (Incumbent)	84,755	41.10	7.90
	LDP	Hiroaki Kadoyama (Incumbent-PR) (reelected by PR)	76,937	37.31	7.13
	PFG	Takashi Tanuma<ja>	26,322	12.77	New
	JCP	Tadayoshi Yoshida	18,182	8.82	3.17
Registered electors			404,904
Turnout			206,196	52.41	6.80

2012^[5]
Party		Candidate	Votes	%	±%
	DPJ	Kaname Tajima (Incumbent)	76,914	33.20	23.49
	LDP	Hiroaki Kadoyama (elected by PR)	69,927	30.18	7.49
	JRP	Takashi Tanuma (elected by PR)	44,668	19.28	New
	YP	Motoki Nishino	27,089	11.69	New
	JCP	Ken Terao	13,102	5.65	0.67
Registered electors			402,425
Turnout			231,700	59.21	5.12

2009^[6]
Party		Candidate	Votes	%	±%
	DPJ	Kaname Tajima (Incumbent-PR)	142,694	56.69	13.33
	LDP	Shoichi Usui	94,820	37.67	13.44
	JCP	Takeo Agui	12,540	4.98	0.55
	HRP	Kazuyoshi Shina	1,644	0.65	New
Registered electors			397,382
Turnout			251,698	64.33	0.56

2005^[7]
Party		Candidate	Votes	%	±%
	LDP	Hideo Usui	124,292	51.11	7.25
	DPJ	Kaname Tajima (Incumbent) (elected by PR)	105,459	43.36	5.85
	JCP	Tomoki Sasaki	13,443	5.53	1.39
Registered electors			380,707
Turnout			243,194	64.89	8.46

2003^[8]
Party		Candidate	Votes	%	±%
	DPJ	Kaname Tajima	100,838	49.21	16.30
	LDP	Hideo Usui (Incumbent)	89,873	43.86	0.94
	JCP	Takeo Agui	14,183	6.92	9.19
Registered electors			373,444
Turnout			204,894	56.43	1.88

2000^[9]
Party		Candidate	Votes	%	±%
	LDP	Hideo Usui (Incumbent)	90,358	44.80	2.09
	DPJ	Tetsuo Kitamura<ja> (Incumbent-PR)	66,378	32.91	New
	JCP	Reiko Koshiba	32,492	16.11	2.03
	LL	Miyuki Kimura	12,470	6.18	5.05
Registered electors			358,426
Turnout				58.31

1996^[10]
Party		Candidate	Votes	%	±%
	LDP	Hideo Usui	77,679	42.71	New
	NFP	Minoru Murai	40,094	22.04	New
	DPJ	Naoko Kida	31,226	17.17	New
	JCP	Hiroshi Nomura	25,612	14.08	New
	NSP	Katsuo Hanzawa	5,206	2.86	New
	LL	Hideyasu Murata	2,059	1.13	New
Turnout

References

^ Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)
^ "2021年衆議院総選挙千葉1区". NHK (in Japanese). Retrieved 2023-10-01.
^ "2017衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved 2023-10-01.
^ "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 2023-10-01.
^ "開票結果小選挙区千葉". Yomiuri Shimbun (in Japanese). Archived from the original on 2016-12-02. Retrieved 2023-10-01.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^ "第45回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.
^ "第44回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.
^ "第43回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.
^ "第42回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.
^ "第41回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

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

[2] "2021年衆議院総選挙千葉1区". NHK (in Japanese). Retrieved 2023-10-01.

[3] "2017衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved 2023-10-01.

[4] "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 2023-10-01.

[5] "開票結果小選挙区千葉". Yomiuri Shimbun (in Japanese). Archived from the original on 2016-12-02. Retrieved 2023-10-01.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

[6] "第45回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

[7] "第44回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

[8] "第43回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

[9] "第42回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

[10] "第41回衆議院議員選挙 - 千葉1区" (in Japanese). Retrieved 2023-10-01.

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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: Fukushiro Nukaga, Ibaraki 2nd Vice Speaker of the House of Representatives of Japan: Banri Kaieda, Tokyo PR
Hokkaidō (8 block seats, 12 district seats)	Hokkaidō 1 2 3 4 5 6 7 8 9 10 11 12
Tōhoku (12 block seats, 21 district 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 (19 block seats, 33 district 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 (23 block seats, 36 district 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 (19 block seats, 30 district 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 (10 block seats, 18 district 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 (21 block seats, 33 district 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 (28 block seats, 45 district 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 (10 block seats, 17 district seats)	Tottori 1 2 Shimane 1 2 Okayama 1 2 3 4 Hiroshima 1 2 3 4 5 6 Yamaguchi 1 2 3
Shikoku (6 block seats, 10 district seats)	Tokushima 1 2 Kagawa 1 2 3 Ehime 1 2 3 Kōchi 1 2
Kyūshū (20 block seats, 34 district 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
Districts eliminated in the 2002 reapportionments	Hokkaido 13 Yamagata 4 Shizuoka 9 Shimane 3 Oita 4
Districts eliminated in the 2013 reapportionments	Fukui 3 Yamanashi 3 Tokushima 3 Kochi 3 Saga 3
Districts eliminated in the 2017 reapportionments	Aomori 4 Iwate 4 Mie 5 Nara 4 Kumamoto 5 Kagoshima 5
Districts eliminated in the 2022 reapportionments	Miyagi 6 Fukushima 5 Niigata 6 Shiga 4 Wakayama 3 Okayama 5 Hiroshima 7 Yamaguchi 4 Ehime 4 Nagasaki 4

Chiba 1st District
Parliamentary constituency for the Japanese House of Representatives
Numbered map of Chiba Prefecture single-member districts
Prefecture	Chiba
Proportional District	Southern Kanto
Electorate	433,793^[1]
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Kaname Tajima
Created from	Chiba 1st "medium-sized" district
Municipalities	Chiba (Chūōku, Inage-ku, and Mihama-ku)