Candidates

岡下 昌平 — Osaka 17th District 2021

Updated 25 Tháng 5, 2026
  • chevron_rightOutcome: Lost in Osaka 17th District (2021) — 56,061 votes (31.8%), rank #2 of 3.
  • chevron_rightProfile: Male, age 46. Background: 政務官. Status entering: Incumbent.
  • chevron_rightEndorsed by: 公明
  • chevron_rightCareer wins to date: 2
fact_check Quick Facts
Age
46 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded

Election Performance

Vote Count & Share

Votes
56,061
Vote Share
31.8%
Rank
#2
Outcome
Lost

Win/Loss Outcome

Outcome
Did not win seat in 2021

Political Context

Party Affiliation

LDP
自民
Party Candidates 2021
351
Party Seats Won
261
Prefectures
58
Avg Share
51.1%

Occupation & Background

Category政務官
Detail元内閣府政務官、元大阪府議会議員

Incumbency & Career Wins

  • Status entering the 2021 election: Incumbent
  • Total recorded wins to date: 2
  • Age at time of election: 46

Endorsements

公明

Comparative Snapshot

Same District Rivals

RankCandidatePartyVotesShare
#1馬場 伸幸Ishin94,39853.6%
#2岡下 昌平 this pageLDP56,06131.8%
#3森 流星JCP25,66014.6%

Same-Party Peers in 2021

  • 渡嘉敷 奈緒美 — Osaka 7th District, 31.7% (Lost)
  • 原田 憲治 — Osaka 9th District, 31.7% (Lost)
  • 柿沢 未途 — Tokyo 15th District, 32.0% (Won)
  • 清水 鴻一郎 — Kyoto 6th District, 32.0% (Lost)
  • 武井 俊輔 — Miyazaki 1st District, 32.0% (Lost)

Candidates with Similar Vote Share

  • 日吉 雄太 (CDP, Shizuoka 7th District) — 31.8%
  • 阿部 司 (Ishin, Tokyo 12th District) — 31.7%
  • 矢上 雅義 (CDP, Kumamoto 4th District) — 31.9%
  • 渡嘉敷 奈緒美 (LDP, Osaka 7th District) — 31.7%
  • 原田 憲治 (LDP, Osaka 9th District) — 31.7%

Career Timeline

Elections
2
Career Wins
0
Total Votes
101,965
Best Vote Share
31.8%
YearDistrictPartySystemVotesShareRankResult
2024Osaka 17th DistrictLDPSingle-member45,90429.2%#2Lost
2021Osaka 17th DistrictLDPSingle-member56,06131.8%#2Lost

Osaka 17th District Historical Context

YearWinnerPartyWinning VotesWinning ShareField SizeMargin
2026馬場 伸幸ISHIN78,36249.0%435,647
2024馬場 伸幸ISHIN82,23452.3%336,330
2021馬場 伸幸ISHIN94,39853.6%338,337

Osaka Snapshot (2021)

Districts
19
Candidates
67
Seats Filled
19
Active Parties
9

Party representation across Osaka

Ishin15 cand · 15 won
LDP15 cand · 0 won
CDP13 cand · 0 won
JCP12 cand · 0 won
Komeito4 cand · 4 won
Independent4 cand · 0 won
Reiwa2 cand · 0 won
SDP1 cand · 0 won
NHK Party1 cand · 0 won

Top performers across Osaka (2021)

CandidateDistrictPartyVotesShareResult
足立 康史Osaka 9th DistrictIshin133,14650.3%Won
青柳 仁士Osaka 14th DistrictIshin126,30755.7%Won
守島 正Osaka 2nd DistrictIshin120,91348.5%Won
遠藤 敬Osaka 18th DistrictIshin118,42153.0%Won
浦野 靖人Osaka 15th DistrictIshin114,86154.1%Won
井上 英孝Osaka 1st DistrictIshin110,12049.4%Won
美延 映夫Osaka 4th DistrictIshin107,58546.1%Won

Where 岡下 昌平 ranks

Among LDP single-member candidates in 2021
Higher vote share than 4.7% (13 of 279)
Among ALL single-member candidates in 2021
Higher vote share than 43.4% (372 of 857)

政務官 cohort (2021)

Cohort Size
107
Cohort Wins
67
Cohort Avg Share
45.6%
Cohort Avg Age
52

岡下 昌平's 31.8% vote share is 13.82 percentage points below the 政務官 cohort average for 2021.

Frequently Asked Questions

How many times has 岡下 昌平 run for the House of Representatives?expand_more
岡下 昌平 has appeared in 2 recorded elections, winning 0 of them. The most recent was 2021.
Who has won Osaka 17th District in recent elections?expand_more
Recorded winners of Osaka 17th District: 馬場 伸幸 (2026); 馬場 伸幸 (2024); 馬場 伸幸 (2021).
How many Osaka districts ran candidates in 2021?expand_more
Osaka had 19 districts with 67 total candidates in 2021, of whom 19 won seats.
Did 岡下 昌平 win the 2021 election?expand_more
岡下 昌平 did not win the 2021 House of Representatives race in Osaka 17th District, recording 56,061 votes (31.8%).
Which party did 岡下 昌平 represent?expand_more
岡下 昌平 ran as a LDP candidate. The party fielded 351 candidates in 2021.
Who won Osaka 17th District in 2021?expand_more
馬場 伸幸 (Ishin) won Osaka 17th District with 94,398 votes, a vote share of 53.6%.