Ōita 3rd district

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

Ōita 3rd district
Parliamentary constituency for the Japanese House of Representatives
Numbered map of Ōita Prefecture single-member districts
Prefecture	Ōita
Proportional District	Kyushu
Electorate	292,443[1]
Current constituency
Created	1994
Seats	One
Party	LDP
Representative	Takeshi Iwaya
Municipalities	Cities of Beppu, Bungotakada, Kitsuki, Nakatsu, Kunisaki, and Usa. Districts of Hayami, and Higashikunisaki.

Areas covered

Since 2013

• Beppu
• Bungotakada
• Kitsuki
• Nakatsu
• Kunisaki
• Usa
• Hayami District
• Higashikunisaki District

^[2][3]

2002 - 2013

• Beppu
• Bungotakada
• Kitsuki
• Nakatsu
• Usa
• Hayami District
• Higashikunisaki District
• Nishikunisaki District
• Shimoge District
• Usa District

^[4]

1994 - 2002

• Beppu
• Hita
• Ōita District
• Kusu District
• Hita District

^[5]

List of representatives

Election	Representative	Party		Notes
1996[6]	Eijiro Hata [ja]		NFP
			Sun
			GGP
			Democratic
2000[7]	Takeshi Iwaya		LDP
2003[8]
2005[9]
2009[10]	Katsuhiko Yokomitsu		Democratic
2012[11]	Takeshi Iwaya		LDP
2014[12]
2017[13]
2021[14]
2024[15]

Election results

2024 • 2021 • 2017 • 2014 • 2012 • 2009 • 2005 • 2003 • 2000 • 1996

2024

2024^[15]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	87,301	55.23	3.19
	CDP	Kayako Kobayashi	60,207	38.09	3.49
	JCP	Mitsuyoshi Otsuka	10,550	6.68	N/A
Majority			27,094	17.14
Registered electors			291,486
Turnout				56.07	3.60
	LDP hold

2021

2021^[14]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	102,807	58.42	4.26
	CDP	Katsuhiko Yokomitsu	73,159	41.58	New
Majority			29,648	16.84
Registered electors			301,700
Turnout				59.67	0.10
	LDP hold

2017

2017^[13]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	99,412	54.16	7.51
	CDP	Katsuhiko Yokomitsu (Won PR seat)	84,133	45.84	New
Majority			15,279	8.32
Registered electors			312,610
Turnout				59.77	3.04
	LDP hold

2014

2014^[12]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	106,257	61.67	11.33
	Democratic	Hideki Urano	48,389	28.08	3.42
	JCP	Mitsuyoshi Otsuka	17,657	10.25	6.11
Majority			57,868	33.59
Registered electors			312,365
Turnout				56.73
	LDP hold

2012

2012^[11]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya	100,606	50.34	2.85
	Democratic	Katsuhiko Yokomitsu (Incumbent)	62,949	31.50	19.54
	Your	Masatoshi Kan	28,013	14.02	New
	JCP	Mitsuyoshi Otsuka	8,301	4.14	N/A
Majority			37,657	18.84
Registered electors
Turnout
	LDP gain from Democratic

2009

2009^[10]

Party		Candidate	Votes	%	±%
	Democratic	Katsuhiko Yokomitsu	121,031	51.04	4.12
	LDP	Takeshi Iwaya (Incumbent) (Won PR seat)	112,602	47.49	5.59
	Happiness Realization	Tetsuya Toshimitsu	3,489	1.47	New
Majority			8,429	3.55
Registered electors
Turnout
	Democratic gain from LDP

2005

2005^[9]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	127,656	53.08	1.82
	Democratic	Katsuhiko Yokomitsu (Won PR seat)	112,833	46.92	N/A
Majority			14,823	6.16
Registered electors
Turnout
	LDP hold

2003

2003^[8]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya (Incumbent)	123,798	51.26	9.05
	Social Democratic	Katsuhiko Yokomitsu (Won PR seat)	111,180	46.04	New
	JCP	Tsutomu Ogawa	6,521	2.70	3.68
Majority			12,618	5.22
Registered electors
Turnout
	LDP hold

2000

2000^[7]

Party		Candidate	Votes	%	±%
	LDP	Takeshi Iwaya	95,046	60.31	19.05
	Democratic	Taro Nakamura	50,024	31.74	New
	JCP	Tsutomu Ogawa	10,057	6.38	0.37
	Liberal League	Tsuneaki Umeki	2,470	1.57	0.27
Majority			45,022	28.57
Registered electors
Turnout
	LDP gain from Democratic

1996

1996^[6]

Party		Candidate	Votes	%	±%
	New Frontier	Eijiro Hata [ja]	77,936	50.69	New
	LDP	Tetsuaki Makino	63,440	41.26	New
	JCP	Yōko Hino	10,375	6.75	New
	Liberal League	Tsuneaki Umeki	1,998	1.30	New
Majority			14,496	9.43
Registered electors
Turnout
	New Frontier win (new seat)