Nagano 3rd district

Nagano 3rd district
Nagano 3rd district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of inner Nagano single-member districts
Prefecture	Nagano
Proportional District	Hokurikushin'etsu
Electorate	400,529 (2020)
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Takeshi Kōzu
Created from	Nagano 2nd district (1947–1993)
Municipalities	Ueda, Komoro, Chikuma, Saku, Tōmi, Minamisaku, Kitasaku, Chiisagata and Hanishina

Nagano 3rd district (長野県第3区, Nagano-ken dai-sanku or 長野3区, Nagano sanku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in central and eastern part of Nagano Prefecture and consists of Ueda City, Komoro City, Chikuma City, Saku City, Tōmi City, Minamisaku District, Kitasaku District, Chiisagata District and Hanishina District. As of December 2020, 400,529 eligible voters were registered in the district.^[1]

Quick facts 3rd district, Prefecture ...

Yosei Ide, a Liberal Democrat, has represented this district since December 2014.

Member		Dates	Electoral history	Notes
Tsutomu Hata	New Frontier	October 21, 1996 – December 26, 1996	Redistricted from the former 2nd district and Re-elected in 1996. Re-elected in 2000. Re-elected in 2003. Re-elected in 2005. Re-elected in 2009. Retired.	Prime Minister of Japan (1994)
	Sun	December 26, 1996 – January 23, 1998
	Good Governance	January 23, 1998 – April 27, 1998
	Democratic	April 27, 1998 – November 16, 2012
Yoshiyuki Terashima	Democratic	December 17, 2012 – November 21, 2014	Elected in 2012. Lost re-election.	Lost re-election in the Hokurikushin'etsu PR block.
Yosei Ide	Innovation	December 15, 2014 – March 27, 2016	Re-elected in 2014. Re-elected in 2017.	Elected in 2012 in the Hokurikushin'etsu PR block. Elected in 2024 in the Hokurikushin'etsu PR block.
	Democratic	March 27, 2016 – October 3, 2017
	Kibō no Tō	October 3, 2017 – May 7, 2018
	Independent	May 7, 2018 – December 21, 2019
	LDP	December 21, 2019 – October 9 2024
Takeshi Kōzu	CDP	Octoberber 29, 2024 – present

Party		Candidate	Votes	%	±%
	CDP	Takeshi Kōzu (PR incumbent)	121,594	55.01	8.14
	LDP	Yōsei Ide (incumbent) (elected by PR)	99,431	44.99	6.54
Registered electors
Turnout			221,025	57.90	1.42
	CDP gain from LDP

Party		Candidate	Votes	%
	Kibō no Tō	Yosei Ide	127,542	53.1
	LDP	Hitoshi Kiuchi	74,722	31.1
	JCP	Yuka Koganezawa	34,462	14.3
	Happiness Realization	Yukihisa Oikawa	3,687	1.5
Total votes			240,413	100.0
	Kibō no Tō hold

Party		Candidate	Votes	%
	Innovation	Yosei Ide	77,289	34.4
	Democratic	Yoshiyuki Terashima	63,397	28.2
	LDP	Hitoshi Kiuchi (re-elected by PR)	56,365	25.1
	JCP	Chiaki Karasawa	27,947	12.4
Total votes			224,998	100.0
	Ishin gain from Democratic

List of members representing the district

2009 Japanese general election^[7]
Party		Candidate	Votes	%
	Democratic	Tsutomu Hata	138,614	47.5
	LDP	Tadao Iwasaki	106,574	36.5
	JCP	Syōsuke Iwaya	40,948	14.0
	Happiness Realization	Manabu Ebara	5,576	1.9
Total votes			291,712	100.0

2005 Japanese general election^[8]
Party		Candidate	Votes	%
	Democratic	Tsutomu Hata	143,728	51.1
	LDP	Tadao Iwasaki	102,889	36.6
	JCP	Syōsuke Iwaya	34,669	12.3
Total votes			281,286	100.0

2003 Japanese general election^[9]
Party		Candidate	Votes	%
	Democratic	Tsutomu Hata	150,203	58.5
	LDP	Tadao Iwasaki (re-elected by PR)	78,364	30.5
	JCP	Syōsuke Iwaya	28,083	10.9
Total votes			256,650	100.0

2000 Japanese general election^[10]
Party		Candidate	Votes	%
	Democratic	Tsutomu Hata	163,382	61.2
	LDP	Tadao Iwasaki (elected by PR)	67,002	25.1
	JCP	Ken'ichi Nakazawa	34,110	12.8
	Independent	Tokio Hosoya	2,276	0.9
Total votes			266,770	100.0