Osaka 9th district

Osaka 9th district
Osaka 9th district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of the Osaka Prefecture single seats
Prefecture	Osaka
Proportional District	Kinki
Electorate	373,028
Current constituency
Created	1994
Seats	One
Party	Ishin
Representative	Kei Hagihara
Municipalities	Ibaraki, Minoo, and Toyono District.

PrefectureOsaka

Proportional DistrictKinki

Electorate373,028^[1]

Created1994

Osaka 9th district (大阪府第9区, Osaka-fu dai-kyuku or simply 大阪9区, Osaka-kyuku ) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Osaka Prefecture.

[1]

Election	Representative
1996^[5]	Takeshi Nishida	New Frontier
		Liberal
		New Conservative
2000^[6]	Nobumori Ohtani	Democratic
2003^[7]	Nobumori Ohtani	Democratic
2005^[8]	Takeshi Nishida	LDP
2006 by-el^[9]	Kenji Harada	LDP
2009^[10]	Nobumori Ohtani	Democratic
2012^[11]	Yasushi Adachi	Restoration
2012^[11]	Yasushi Adachi	Innovation
2014^[12]	Kenji Harada	LDP
2017^[13]	Kenji Harada	LDP
2021^[14]	Yasushi Adachi	Ishin
2024^[15]	Kei Hagihara [ja]	Ishin
2026	Kei Hagihara [ja]	Ishin

Party		Candidate	Votes	%	±%
	Ishin	Kei Hagihara	102,204	48.2	5.7
	LDP	Junpei Higashida (elected in Kinki PR block)	79,259	37.4	5.9
	Social Democratic	Keigo Nishio	30,493	14.4	0.4
Registered electors			372,205
Turnout				60.24	5.45
	Ishin hold

Party		Candidate	Votes	%	±%
	Ishin	Kei Hagihara	84,068	42.56
	LDP	Junpei Higashida	62,170	31.48
	Social Democratic	Yumiko Nagasaki	27,617	13.98
	Sanseitō	Makoto Kataoka	19,690	9.97	New
	Independent	Kazuya Isobe	3,962	2.01
Majority			21,898	11.08
Registered electors			371,440
Turnout				54.79	4.29
	Ishin hold

Party		Candidate	Votes	%	±%
	Ishin	Yasushi Adachi	133,146	50.35
	LDP	Kenji Harada	83,776	31.68
	Social Democratic	Yūko Ōtsubaki	42,165	15.94
	Independent	Kazuya Isobe	5,369	2.03	New
Majority			49,370	18.67
Registered electors			456,232
Turnout				59.08	7.22
	Ishin gain from LDP

Party		Candidate	Votes	%	±%
	LDP	Kenji Harada	93,475	40.73
	Ishin	Yasushi Adachi (Won PR seat)	91,438	39.84	New
	Social Democratic	Ryoichi Hattori	44,589	19.43	N/A
Majority			2,037	0.89
Registered electors			453,014
Turnout				51.86	2.37
	LDP hold

Osaka 9th district

Since 2022

1994 - 2022

List of representatives

Election results

2026

2024

2021

2017

2014

2012

2009

2006 by-election

2005

2003

2000

1996

References

Related Articles

Osaka 9th district
Parliamentary constituency for the Japanese House of Representatives
Numbered map of the Osaka Prefecture single seats
Prefecture	Osaka
Proportional District	Kinki
Electorate	373,028^[1]
Current constituency
Created	1994
Seats	One
Party	Ishin
Representative	Kei Hagihara
Municipalities	Ibaraki, Minoo, and Toyono District.

Party		Candidate	Votes	%	±%
	LDP	Kenji Harada	95,667	41.33
	Innovation	Yasushi Adachi (Won PR seat)	91,400	39.48	New
	JCP	Chieko Kakita	31,165	13.46
	Independent	Megumu Tsuji	13,264	5.73	New
Majority			4,267	1.85
Registered electors			439,169
Turnout				54.23
	LDP gain from Innovation

Party		Candidate	Votes	%	±%
	Restoration	Yasushi Adachi	104,015	39.83	*New*
	LDP	Kenji Harada (Won PR seat)	89,671	34.34
	Democratic	Nobumori Ohtani	46,550	17.83
	JCP	Kazumi Suetake	20,891	8.00
Majority			14,344	5.49
Registered electors
Turnout
	Restoration gain from Democratic

Party		Candidate	Votes	%	±%
	Democratic	Nobumori Ohtani	150,452	51.00
	LDP	Kenji Harada	97,902	33.19
	JCP	Hiromitsu Murakami	24,281	8.23
	Your	Koichi Yoshino	16,736	5.67	New
	Happiness Realization	Rie Fujiki	5,634	1.91	New
Majority			52,550	17.81
Registered electors
Turnout
	Democratic gain from LDP

Party		Candidate	Votes	%
	LDP	Kenji Harada	111,226	50.23
	Democratic	Nobumori Ohtani	92,424	41.74
	JCP	Kuniaki Fujiki	17,774	8.03
Majority			18,802	8.49
Registered electors
Turnout
	LDP hold

Party		Candidate	Votes	%
	LDP	Takeshi Nishida	142,243	50.55
	Democratic	Nobumori Ohtani	111,809	39.73
	JCP	Kenji Enami	27,347	9.72
Majority			30,434	10.82
Registered electors
Turnout
	LDP gain from Democratic

Party		Candidate	Votes	%	±%
	Democratic	Nobumori Ohtani	97,572	41.86
	LDP	Takeshi Nishida (Won PR seat)	93,662	40.18	N/A
	JCP	Kuniaki Fujiki	21,491	9.22
	Independent	Yoshikazu Nagata	10,678	4.58	New
	Social Democratic	Ryutaro Nakakita	9,705	4.16	New
Majority			3,910	1.68
Registered electors
Turnout
	Democratic hold

Party		Candidate	Votes	%	±%
	Democratic	Nobumori Ohtani	82,563	36.53	*New*
	New Conservative	Takeshi Nishida	65,469	28.97	New
	JCP	Kuniaki Fujiki	38,262	16.93
	Independent	Yasuhira Kimoto	23,071	10.21	New
	Independent	Yōichi Matsushita	8,619	3.81	New
	Liberal League	Satoshi Wada	8,039	3.56	New
Majority			17,094	7.56
Registered electors
Turnout
	Democratic gain from New Conservative

Party		Candidate	Votes	%	±%
	New Frontier	Takeshi Nishida	72,267	33.42	*New*
	LDP	Ken Harada	59,817	27.66	New
	JCP	Hitomi Kobayashi	43,316	20.03	New
	Democratic	Nobumori Ohtani	34,177	15.81	New
	New Socialist	Keiji Kashimoto	6,647	3.07	New
Majority			12,450	5.76
Registered electors
Turnout
	New Frontier win (new seat)

v t e 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: Eisuke Mori, Chiba 11th Vice Speaker of the House of Representatives of Japan: Keiichi Ishii, Northern Kanto 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 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