Osaka 1st district

Osaka 1st district
Osaka 1st district
Parliamentary constituency; for the Japanese House of Representatives
	Numbered map of the Osaka city single seats
Prefecture	Osaka
Proportional District	Kinki
Electorate	448,093
Current constituency
Created	1994
Seats	One
Party	Ishin
Representative	Hidetaka Inoue
Municipalities	Chūō-ku, Higashinari-ku, Minato-ku, Naniwa-ku, Nishi-ku, and Tennōji-ku of Osaka.

PrefectureOsaka

Proportional DistrictKinki

Electorate448,093^[1]

Created1994

Osaka 1st district (大阪府第1区, Osaka-fu dai-ikku or simply 大阪1区, Osaka-ikku ) 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]	Kōki Chūma	LDP
2000^[6]
2003^[7]
2005^[8]
2009^[9]	Atsushi Kumada	Democratic
		Tax Cuts
		Tomorrow
2012^[10]	Hidetaka Inoue	Restoration
2014^[11]		Innovation
2014^[11]		Ishin
2017^[12]	Hiroyuki Ōnishi	LDP
2021^[13]	Hidetaka Inoue	Ishin
2024^[14]
2026^[15]

Party		Candidate	Votes	%	±%
	Ishin	Hidetaka Inoue	93,383	40.22	8.02
	LDP	Hiroyuki Ōnishi	64,483	27.78	1.16
	Sanseitō	Yuki Nakamura	27,950	12.04	0.20
	DPP	Tomohiro Shiono	27,902	12.02
	JCP	Yoshinori Takeuchi	18,444	7.94	4.96
Majority			28,900	12.44	9.18
Registered electors			446,375
Turnout			232,162	54.33	5.02
	Ishin hold

Party		Candidate	Votes	%	±%
	Ishin	Hidetaka Inoue	102,113	48.24
	LDP	Hiroyuki Ōnishi	56,347	26.62
	JCP	Yoshinori Takeuchi	27,312	12.90
	Sanseitō	Chitose Miyade	25,908	12.24	New
Majority			45,766	21.62
Registered electors			443,532
Turnout				49.31	3.96
	Ishin hold

Party		Candidate	Votes	%	±%
	Ishin	Hidetaka Inoue	110,120	49.40
	LDP	Hiroyuki Ōnishi	67,145	30.12
	CDP	Noriatsu Murakami	28,477	12.77	New
	JCP	Yoshinori Takeuchi	17,194	7.71
Majority			42,975	19.28
Registered electors			427,637
Turnout				53.27	7.49
	Ishin gain from LDP

Party		Candidate	Votes	%	±%
	LDP	Hiroyuki Ōnishi	67,748	37.60
	Ishin	Hidetaka Inoue (Won PR seat)	66,506	36.91
	CDP	Noriatsu Murakami	26,140	14.51	New
	JCP	Noboru Shibayama	14,498	8.05
	Japanese New Party	Shuhei Koizumi	5,291	2.94
Majority			1,242	0.69
Registered electors			403,292
Turnout				45.78	0.05
	LDP gain from Ishin

Osaka 1st district

Since 2017

1994 - 2017

List of representatives

Election results

2026

2024

2021

2017

2014

2012

2009

2005

2003

2000

1996

References

Related Articles

Osaka 1st district
Parliamentary constituency for the Japanese House of Representatives
Numbered map of the Osaka city single seats
Prefecture	Osaka
Proportional District	Kinki
Electorate	448,093^[1]
Current constituency
Created	1994
Seats	One
Party	Ishin
Representative	Hidetaka Inoue
Municipalities	Chūō-ku, Higashinari-ku, Minato-ku, Naniwa-ku, Nishi-ku, and Tennōji-ku of Osaka.

Party		Candidate	Votes	%	±%
	Innovation	Hidetaka Inoue	75,016	42.35
	LDP	Hiroyuki Ōnishi (Won PR seat)	71,648	40.45
	JCP	Yoshinori Takeuchi	30,463	17.20
Majority			3,368	1.90
Registered electors			403,593
Turnout				45.83	9.47
	Innovation hold

Party		Candidate	Votes	%	±%
	Restoration	Hidetaka Inoue	80,230	38.03	*New*
	LDP	Hiroyuki Ōnishi	55,039	26.09
	Tomorrow	Atsushi Kumada	22,368	10.60	New
	Independent	Kōki Chūma	20,167	9.56	New
	JCP	Reiko Yoshikawa	17,281	8.19
	Democratic	Mika Yoshiba	15,878	7.53
Majority			25,191	11.94
Registered electors			394,097
Turnout				55.30	6.71
	Restoration gain from Tomorrow

Party		Candidate	Votes	%	±%
	Democratic	Atsushi Kumada	117,313	50.78
	LDP	Kōki Chūma	78,335	33.91
	JCP	Hideko Tsuji	20,438	8.85
	Independent	Yuki Sakai	11,374	4.92	New
	Happiness Realization	Tomiko Hayashi	3,555	1.54	New
Majority			38,978	16.87
Registered electors			380,575
Turnout				62.01	0.53
	Democratic gain from LDP

Party		Candidate	Votes	%	±%
	LDP	Kōki Chūma	116,956	54.49
	Democratic	Atsushi Kumada	72,512	33.79
	JCP	Hiroshi Maruoka	25,156	11.72
Majority			44,444	20.70
Registered electors			360,134
Turnout				61.48	9.55
	LDP hold

Party		Candidate	Votes	%
	LDP	Kōki Chūma	87,936	49.83
	Democratic	Atsushi Kumada	64,320	36.45
	JCP	Hiroshi Seike	24,220	13.72
Majority			23,616	13.38
Registered electors			351,841
Turnout				51.93
	LDP hold

Party		Candidate	Votes	%	±%
	LDP	Kōki Chūma	87,068	50.22
	Democratic	Toshihiro Konishi	41,431	23.89	New
	JCP	Tsutomu Obata	38,543	22.23
	Independent	Seizo Hideyoshi Hashiba	6,347	3.66	New
Majority			45,637	26.33
Registered electors
Turnout
	LDP hold

Party		Candidate	Votes	%	±%
	LDP	Kōki Chūma	73,443	41.88	*New*
	New Frontier	Masashi Ikenobō	62,423	35.60	New
	JCP	Tsutomu Obata	39,494	22.52	New
Majority			11,020	6.28
Registered electors
Turnout
	LDP 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