Osaka 1st district

Osaka 1st district
Parliamentary constituency
for the Japanese House of Representatives
Numbered map of the Osaka city single seats
PrefectureOsaka
Proportional DistrictKinki
Electorate448,093[1]
Current constituency
Created1994
SeatsOne
PartyIshin
RepresentativeHidetaka Inoue
MunicipalitiesChūō-ku, Higashinari-ku, Minato-ku, Naniwa-ku, Nishi-ku, and Tennōji-ku of Osaka.

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.

Areas covered

Since 2017

[2][3]

1994 - 2017

[4]

List of representatives

Election Representative Party Notes
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
Ishin
2017[12] Hiroyuki Ōnishi LDP
2021[13] Hidetaka Inoue Ishin
2024[14]
2026[15]

Election results

2026

2026[15]
Party Candidate Votes % ±%
Ishin Hidetaka Inoue 93,383 40.22 Decrease8.02
LDP Hiroyuki Ōnishi 64,483 27.78 Increase1.16
Sanseitō Yuki Nakamura 27,950 12.04 Decrease0.20
DPP Tomohiro Shiono 27,902 12.02
JCP Yoshinori Takeuchi 18,444 7.94 Decrease4.96
Majority 28,900 12.44 Decrease9.18
Registered electors 446,375
Turnout 232,162 54.33 Increase 5.02
Ishin hold

2024

2024[14]
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 Decrease 3.96
Ishin hold

2021

2021[13]
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 Increase 7.49
Ishin gain from LDP

2017

2017[12]
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 Decrease 0.05
LDP gain from Ishin

2014

2014[11]
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 Decrease 9.47
Innovation hold

2012

2012[10]
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 Decrease 6.71
Restoration gain from Tomorrow

2009

2009[9]
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 Increase 0.53
Democratic gain from LDP

2005

2005[8]
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 Increase 9.55
LDP hold

2003

2003[7]
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

2000

2000[6]
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

1996

1996[5]
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)

References

  1. ^ Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)
  2. ^ "衆議院トップページ >立法情報 >制定法律情報 >第193回国会　制定法律の一覧 >衆議院議員選挙区画定審議会設置法及び公職選挙法の一部を改正する法律の一部を改正する法律 法律第五十八号（平二九・六・一六）". House of Representatives of Japan. June 16, 2017. Retrieved May 12, 2025.
  3. ^ "Osaka" (PDF). Minister for Internal Affairs and Communications. Retrieved May 12, 2025.
  4. ^ "衆議院トップページ >立法情報 >制定法律情報 >第131回国会　制定法律の一覧 >法律第百四号（平六・一一・二五）". House of Representatives of Japan. November 25, 1994. Retrieved May 12, 2025.
  5. ^ a b "第41回衆議院議員総選挙 - 大阪1区". Senkyo.com (in Japanese). Retrieved May 12, 2025.
  6. ^ a b "第42回衆議院議員総選挙 - 大阪1区". Senkyo.com (in Japanese). Retrieved May 12, 2025.
  7. ^ a b "第43回衆議院議員総選挙 - 大阪1区". Senkyo.com (in Japanese). Retrieved May 12, 2025.
  8. ^ a b "第44回衆議院議員総選挙 - 大阪1区". The Asahi Shinbun (in Japanese). Retrieved May 12, 2025.
  9. ^ a b "第45回衆議院議員総選挙 - 大阪1区". The Asahi Shinbun (in Japanese). Retrieved May 12, 2025.
  10. ^ a b "開票結果 小選挙区 大阪". The Asahi Shimbun (in Japanese). Retrieved May 12, 2025.
  11. ^ a b "2014衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved May 12, 2025.
  12. ^ a b "2017衆院選:衆議院議員総選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved May 12, 2025.
  13. ^ a b "2021年衆議院議員総選挙 大阪". NHK (in Japanese). Retrieved May 12, 2025.
  14. ^ a b "2024年衆議院議員総選挙 大阪". NHK (in Japanese). Retrieved May 12, 2025.
  15. ^ a b "2026年衆議院議員総選挙 大阪". NHK (in Japanese). Retrieved March 5, 2026.
allikas: https://en.wikipedia.org/wiki/Osaka_1st_district