Yamagata 3rd district

Yamagata 3rd district (山形県第3区, Yamagata-ken dai-sanku or simply 山形3区, Yamagata-sanku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Yamagata Prefecture.

Yamagata 3rd District
Parliamentary constituency for the Japanese House of Representatives
Numbered map of Yamagata Prefecture single-member districts
Prefecture	Yamagata
Proportional District	Tohoku
Electorate	284,580[1]
Current constituency
Created	1994
Seats	One
Party	Liberal Democratic
Representative	Ayuko Kato
Municipalities	Sakata, Shinjō, Tsuruoka, Akumi District, Higashitagawa District, and Mogami District

List of representatives

Election	Representative	Party		Notes
1996	Riichiro Chikaoka [ja]		Liberal Democratic
2000
2003	Koichi Kato		Independent
2005			Liberal Democratic
2009
2012	Juichi Abe [ja]		Independent
2014	Ayuko Kato		Liberal Democratic
2017
2021
2024

Election results

2024^[2]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Ayuko Kato (Incumbent)	93,909	56.10	1.96
	CDP	Satoru Ishiguro	63,102	37.70	New
	Communist	Mamoru Yamada	10,372	6.20	0.27
Registered electors			274,598
Turnout			167,383	62.17	3.57
	LDP hold

2021^[3]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Ayuko Kato (Incumbent)	108,558	58.06
	Independent	Hitomi Abe	66,320	35.47	New
	Communist	Takeshi Umeki	12,100	6.47
Registered electors			287,642
Turnout				65.74	1.01
	LDP hold

2017^[4]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Ayuko Kato (Incumbent)	103,973	52.18
	Kibō no Tō	Juichi Abe [ja]	81,708	41.01	New
	Communist	Taichi Kato	11,241	5.64
	Happiness Realization	Ryota Shirotori	2,329	1.17
Registered electors			302,085
Turnout				66.75	4.79
	LDP hold

2014^[5]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Ayuko Kato	79,872	42.86
	Independent	Juichi Abe [ja] (Incumbent)	78,384	42.06
	Democratic	Taisei Yoshida	15,981	8.58
	Communist	Tsuyoshi Hasegawa	10,794	5.79
	Independent	Makoto Sato	1,319	0.71	New
Registered electors			305,295
Turnout				61.96	3.36
	LDP gain from Independent

2012^[6]

Party		Candidate	Votes	%	±%
	Independent	Juichi Abe [ja]	71,768	35.98	New
	Liberal Democratic	Koichi Kato (Incumbent)	70,303	35.24
	Restoration	Takeharu Sato	25,299	12.68	New
	Social Democratic	Hideo Yoshiizumi [ja] (Incumbent-Tohoku PR block)	22,930	11.50
	Communist	Tsuyoshi Hasegawa	9,170	4.60
Registered electors			311,172
Turnout				65.32	8.53
	Independent gain from LDP

2009^[7]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Koichi Kato (Incumbent)	130,502	56.86
	Social Democratic	Hideo Yoshiizumi [ja] (elected by Tohoku PR block)	80,362	35.01
	Communist	Tsuyoshi Hasegawa	13,789	6.01
	Happiness Realization	Ryota Shirotori	4,880	2.13	New
Registered electors			318,892
Turnout				73.85	1.65
	LDP hold

2005^[8]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Koichi Kato (Incumbent)	159,486	69.58
	Social Democratic	Hajime Sato	49,057	21.40
	Communist	Yoshio Misawa	20,657	9.01
Registered electors			327,511
Turnout				72.20	0.11
	LDP hold

2003^[9]

Party		Candidate	Votes	%	±%
	Independent	Koichi Kato (endorsed by Liberal Democratic)	137,206	58.92	New
	Democratic	Jun Saito [ja] (Incumbent-Yamagata 4th)	84,946	34.20
	Communist	Masayuki Sato	10,735	4.61
Turnout				72.09
	Independent gain from LDP

• Kato returned to the LDP after the election.

2000^[10]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Riichiro Chikaoka [ja] (Incumbent)	88,069	57.22
	Social Democratic	Shosuke Saito	55,891	36.32
	Communist	Mieko Kudo	9,944	6.46
Turnout
	LDP hold

1996^[11]

Party		Candidate	Votes	%	±%
	Liberal Democratic	Riichiro Chikaoka [ja]	88,389	58.08	New
	Independent	Shosuke Saito	54,640	35.90	New
	Communist	Koji Endo	9,162	6.02	New
Turnout