Kōchi 1st district

Kōchi 1st District
Kōchi 1st District
Parliamentary ; for the Japanese House of Representatives
	Numbered map of Kōchi Prefecture single-member districts
Prefecture	Kōchi
Proportional District	Shikoku
Electorate	308,938
Current constituency
Created	1994
Seats	One
Party	LDP
Representative	Gen Nakatani
Municipalities	In the east of Kōchi city, Muroto, Nankoku, Aki, Kōnan, Kami, Aki District, Nagaoka District and Tosa District

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

List of representatives

Election	Representative		Dates
1996	Kenjiro Yamahara	JCP	1996 – 2000
2000	Teru Fukui	LDP	2000 – 2014
2003
2005
2009
2012
2014	Gen Nakatani	LDP	2014–present
2017
2021
2024

Election results

2024^[2]
Party		Candidate	Votes	%	±%
	LDP	Gen Nakatani (Incumbent)	89,110	61.51	2.79
	CDP	Norio Takeuchi	55,750	38.49	7.79
Registered electors			301,199
Turnout			144,860	49.59	3.91

2021^[3]
Party		Candidate	Votes	%	±%
	LDP	Gen Nakatani (Incumbent)	104,837	64.32	10.73
	CDP	Norio Takeuchi	50,033	30.70	New
	NHK	Kōji Nakajima	4,081	2.50	New
	Indep.	Eiji Kawata	4,036	2.48	New
Registered electors			310,468
Turnout			162,987	53.50	4.79

2017^[4]
Party		Candidate	Votes	%	±%
	LDP	Gen Nakatani	81,675	53.59	1.65
	Kibō	Shū Ohishi	45,190	29.65	New
	JCP	Kenji Matsumoto	25,542	16.76	3.61
Registered electors			318,871
Turnout			152,407	48.71	0.31

2014^[5]
Party		Candidate	Votes	%	±%
	LDP	Gen Nakatani (Incumbent-Kōchi 2nd)	78,279	51.94	9.96
	DPJ	Shū Ohishi	38,237	25.37	0.63
	JCP	Naoaki Haruna<ja>	30,694	20.37	2.67
	Indep.	Toshihisa Fujishima	3,505	2.33	New
Registered electors			317,217
Turnout			150,715	49.02	1.20

2012^[6]
Party		Candidate	Votes	%	±%
	LDP	Teru Fukui (Incumbent)	44,027	41.98	9.45
	DPJ	Shū Ohishi	25,944	24.74	3.40
	JCP	Naoaki Haruna	18,562	17.70	8.05
	JRP	Shinya Fujimura	16,331	15.57	New
Registered electors			213,948
Turnout			104,864	50.22

2009^[7]
Party		Candidate	Votes	%	±%
	LDP	Teru Fukui (Incumbent)	44,068	32.53	10.19
	Indep.	Daijiro Hashimoto	39,326	29.03	New
	DPJ	Kumiko Tamura	38,117	28.14	11.36
	JCP	Naoaki Haruna	13,072	9.65	8.13
	HRP	Taeko Momota	890	0.66	New
Turnout

2005^[8]
Party		Candidate	Votes	%	±%
	LDP	Teru Fukui (Incumbent)	53,754	42.72	1.31
	DPJ	Masanori Gotō<ja> (Incumbent-Shikoku PR) (reelected by PR)	49,704	39.50	4.70
	JCP	Naoaki Haruna	22,369	17.78	1.67
Turnout

2003^[9]
Party		Candidate	Votes	%	±%
	LDP	Teru Fukui (Incumbent)	43,232	41.41	10.43
	DPJ	Masanori Gotō (Incumbent-Shikoku PR) (reelected by PR)	36,333	34.80	9.05
	JCP	Morimitsu Kajiwara	20,302	19.45	1.03
	SDP	Hajime Tai	4,531	4.34	New
Turnout

2000^[10]
Party		Candidate	Votes	%	±%
	LDP	Teru Fukui	40,765	30.98	New
	DPJ	Masanori Gōto (Incumbent-Shikoku PR) (reelected by PR)	33,883	25.75	New
	Komeito	Noritoshi Ishida	32,687	24.84	New
	JCP	Nobuyuki Urata	24,241	18.42	10.15
Turnout

1996^[11]
Party		Candidate	Votes	%	±%
	JCP	Kenjiro Yamahara<ja>	33,523	28.57	New
	DPJ	Masanori Gotō (elected by PR)	31,391	26.75	New
	NFP	Noritoshi Ishida	30,281	25.80	New
	Indep.	Shōji Taniai	21,480	18.30	New
	Indep.	Tatsuo Yokota	678	0.58	New
Turnout

References

^ Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)
^ 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.
^ "2021年衆議院総選挙高知1区". NHK (in Japanese). Retrieved 2023-10-02.
^ "2017衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-02.
^ "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 2023-10-02.
^ "開票結果小選挙区高知". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-02.
^ "第45回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.
^ "第44回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.
^ "第43回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.
^ "第42回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.
^ "第41回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

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

[2] 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.

[3] "2021年衆議院総選挙高知1区". NHK (in Japanese). Retrieved 2023-10-02.

[4] "2017衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-02.

[5] "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 2023-10-02.

[6] "開票結果小選挙区高知". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-02.

[7] "第45回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

[8] "第44回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

[9] "第43回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

[10] "第42回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

[11] "第41回衆議院議員選挙 - 高知1区" (in Japanese). Retrieved 2023-10-02.

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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 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