Nagano 1st district

Nagano 1st District
Nagano 1st District
Parliamentary ; for the Japanese House of Representatives
	Numbered map of Nagano Prefecture single-member districts
Prefecture	Nagano
Proportional District	Hokurikushin'etsu
Electorate	424,275
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Takashi Shinohara
Municipalities	Iiyama, Nakano, Suzaka, part of Nagano, Kamitakai District, Shimominochi District, and Shimotakai District

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

List of representatives

Election	Representative
1996	Kenji Kosaka	New Frontier
2000		Liberal Democratic
2003
2005
2009	Takashi Shinohara	Democratic
2012
2014
2017		Independent
2021	Kenta Wakabayashi	Liberal Democratic
2024	Takashi Shinohara	CDP

Election results

2024^[2]
Party		Candidate	Votes	%	±%
	CDP	Takashi Shinohara pr incumbent	105,231	46.26	5.03
	LDP	Kenta Wakabayashi(incumbent) (endorsed by Komeito	88,792	39.03	12.26
	Ishin	Kiyoshi Wakasa	33,470	14.71
Turnout			227,493	55.74	4.00
	CDP gain from LDP

2021^[3]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Kenta Wakabayashi	128,423	51.29	16.26
	CDP	Takashi Shinohara (Incumbent) (elected by Hokurikushin'etsu PR block)	121,962	48.71	New
Registered electors			425,440
Turnout				59.74	2.36
	LDP gain from CDP

2017^[4]
Party		Candidate	Votes	%	±%
	Independent	Takashi Shinohara (Incumbent)	131,883	54.06	*New*
	Liberal Democratic	Yutaka Komatsu (Incumbent-Hokurikushin'etsu PR block)	85,460	35.03	0.23
	Innovation	Masayuki Hashimoto	22,817	9.35	New
	Society for Making Nagano Prefecture the Best Economy in Japan	Yukinari Komamura	18,675	1.55	New
Registered electors			432,700
Turnout				57.38	6.79
	Independent hold

2014^[5]
Party		Candidate	Votes	%	±%
	Democratic	Takashi Shinohara (Incumbent)	96,333	45.82	9.22
	Liberal Democratic	Yutaka Komatsu (Incumbent-Hokurikushin'etsu PR block) (reelected by Hokurikushin'etsu PR block)	74,137	35.26	2.56
	Communist	Ryosuke Takeda	26,903	12.80	1.70
	Future Generations	Takahito Miyazawa (Incumbent-Hokurikushin'etsu PR block)	12,888	6.13	New
Registered electors			425,446
Turnout				50.59	8.17
	Democratic hold

2012^[6]
Party		Candidate	Votes	%	±%
	Democratic	Takashi Shinohara (Incumbent)	89,400	36.60	14.67
	Liberal Democratic	Yutaka Komatsu (elected by Hokurikushin'etsu PR block)	79,860	32.70	6.70
	Restoration	Takahito Miyazawa (elected by Hokurikushin'etsu PR block)	47,870	19.60	New
	Communist	Ryosuke Takeda	27,119	11.10	2.57
Registered electors			427,377
Turnout				58.76	15.51
	Democratic hold

2009^[7]
Party		Candidate	Votes	%	±%
	Democratic	Takashi Shinohara (Incumbent-Hokurikushin'etsu PR block)	161,543	51.27	10.45
	Liberal Democratic	Kenji Kosaka (Incumbent)	124,136	39.40	8.04
	Communist	Norihira Yamaguchi	26,872	8.53	3.21
	Happiness Realization	Motofumi Yokota	2,535	0.80	New
Registered electors			429,859
Turnout				74.27	4.09
	Democratic gain from LDP

2005^[8]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Kenji Kosaka (Incumbent)	140,831	47.44	2.49
	Democratic	Takashi Shinohara (Incumbent-Hokurikushin'etsu PR block) (reelected by Hokurikushin'etsu PR block)	121,185	40.82	1.76
	Communist	Sanae Nakano	34,869	11.74	0.73
Registered electors			430,657
Turnout				70.18	7.77
	LDP hold

2003^[9]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Kenji Kosaka (Incumbent)	118,065	44.95	3.76
	Democratic	Takashi Shinohara (elected by Hokurikushin'etsu PR block)	111,821	42.58	11.40
	Communist	Sanae Nakano	32,757	12.47	7.64
Registered electors			429,585
Turnout				62.41	0.59
	LDP hold

2000^[10]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Kenji Kosaka (Incumbent)	127,010	48.71	25.64
	Democratic	Yoshikazu Kanakubo	81,289	31.18	New
	Communist	Sanae Nakano	52,445	20.11	12.59
Turnout				63.00
	LDP hold

1996^[11]
Party		Candidate	Votes	%	±%
	New Frontier	Kenji Kosaka	118,386	41.76	New
	New Party Sakigake	Shusei Tanaka	78,401	27.65	New
	Liberal Democratic	Masatoshi Wakabayashi	65,403	23.07	New
	Communist	Kazuhiro Miyagawa	21,329	7.52	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　長野1区". NHK (in Japanese). Retrieved 2023-10-08.
^ "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 2023-10-08.
^ "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 2023-10-29.
^ "開票結果小選挙区長野". Yomiuri Shimbun (in Japanese). Archived from the original on 2016-11-30. Retrieved 2023-10-29.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^ "第45回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.
^ "第44回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.
^ "第43回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.
^ "第42回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.
^ "第41回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

[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　長野1区". NHK (in Japanese). Retrieved 2023-10-08.

[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 2023-10-08.

[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 2023-10-29.

[6] "開票結果小選挙区長野". Yomiuri Shimbun (in Japanese). Archived from the original on 2016-11-30. Retrieved 2023-10-29.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

[7] "第45回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

[8] "第44回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

[9] "第43回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

[10] "第42回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

[11] "第41回衆議院議員選挙 - 長野1区" (in Japanese). Retrieved 2023-10-29.

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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 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