Candidates

大西 洋平 — Tokyo 16th District 2026

Updated 25 Tháng 5, 2026
  • chevron_rightOutcome: Won in Tokyo 16th District (2026) — 92,858 votes (44.6%), rank #1 of 4.
  • chevron_rightProfile: Male, age 48. Background: 政務官. Status entering: Incumbent.
  • chevron_rightEndorsed by: 維新
  • chevron_rightCareer wins to date: 2
fact_check Quick Facts
Age
48 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1

Election Performance

Vote Count & Share

Votes
92,858
Vote Share
44.6%
Rank
#1
Outcome
Won

Win/Loss Outcome

Seat
Elected to the House of Representatives

Political Context

Party Affiliation

LDP
自民
Party Candidates 2026
353
Party Seats Won
316
Prefectures
58
Avg Share
50.4%

Occupation & Background

Category政務官
Detail外務政務官

Incumbency & Career Wins

  • Status entering the 2026 election: Incumbent
  • Total recorded wins to date: 2
  • Age at time of election: 48

Endorsements

維新

Comparative Snapshot

Same District Rivals

RankCandidatePartyVotesShare
#1大西 洋平 this pageLDP92,85844.6%
#2柴田 勝之Centrist51,52724.8%
#3竹内 知子DPP42,38020.4%
#4村上 剛Sanseito21,32010.2%

Same-Party Peers in 2026

  • 谷 公一 — Hyogo 5th District, 44.6% (Won)
  • 武田 良太 — Fukuoka 11th District, 44.7% (Won)
  • 門 寛子 — Tokyo 8th District, 44.3% (Won)
  • 田宮 寿人 — Chiba 9th District, 44.2% (Won)
  • 小森 卓郎 — Ishikawa 1st District, 45.0% (Won)

Candidates with Similar Vote Share

  • 谷 公一 (LDP, Hyogo 5th District) — 44.6%
  • 武田 良太 (LDP, Fukuoka 11th District) — 44.7%
  • 大串 博志 (Centrist, Saga 2nd District) — 44.5%
  • 逢坂 誠二 (Centrist, Hokkaido 8th District) — 44.7%
  • 坂本 祐之輔 (Centrist, Saitama 10th District) — 44.7%

Career Timeline

Elections
2
Career Wins
2
Total Votes
164,586
Best Vote Share
44.6%
YearDistrictPartySystemVotesShareRankResult
2026Tokyo 16th DistrictLDPSingle-member92,85844.6%#1Won
2024Tokyo 16th DistrictLDPSingle-member71,72837.3%#1Won

Tokyo 16th District Historical Context

YearWinnerPartyWinning VotesWinning ShareField SizeMargin
2026大西 洋平LDP92,85844.6%441,331
2024大西 洋平LDP71,72837.3%511,014
2021大西 英男LDP88,75838.7%520,361

Tokyo Snapshot (2026)

Districts
30
Candidates
154
Seats Filled
30
Active Parties
12

Party representation across Tokyo

LDP30 cand · 30 won
Sanseito30 cand · 0 won
DPP27 cand · 0 won
Centrist24 cand · 0 won
JCP13 cand · 0 won
Ishin11 cand · 0 won
Minor Parties6 cand · 0 won
Independent4 cand · 0 won
Mirai3 cand · 0 won
保守2 cand · 0 won
減ゆ2 cand · 0 won
Reiwa2 cand · 0 won

Top performers across Tokyo (2026)

CandidateDistrictPartyVotesShareResult
伊藤 達也Tokyo 22nd DistrictLDP132,68951.5%Won
鈴木 隼人Tokyo 10th DistrictLDP126,04449.1%Won
福田 かおるTokyo 18th DistrictLDP117,38347.7%Won
平 将明Tokyo 4th DistrictLDP114,05449.4%Won
長島 昭久Tokyo 30th DistrictLDP110,45345.2%Won
松島 みどりTokyo 14th DistrictLDP109,89250.2%Won
井上 信治Tokyo 25th DistrictLDP109,60650.5%Won

Where 大西 洋平 ranks

Among LDP single-member candidates in 2026
Higher vote share than 30.4% (87 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 79.4% (888 of 1119)

政務官 cohort (2026)

Cohort Size
48
Cohort Wins
31
Cohort Avg Share
46.0%
Cohort Avg Age
53

大西 洋平's 44.6% vote share is 1.4 percentage points below the 政務官 cohort average for 2026.

Frequently Asked Questions

How many times has 大西 洋平 run for the House of Representatives?expand_more
大西 洋平 has appeared in 2 recorded elections, winning 2 of them. The most recent was 2026.
Who has won Tokyo 16th District in recent elections?expand_more
Recorded winners of Tokyo 16th District: 大西 洋平 (2026); 大西 洋平 (2024); 大西 英男 (2021).
How many Tokyo districts ran candidates in 2026?expand_more
Tokyo had 30 districts with 154 total candidates in 2026, of whom 30 won seats.
Did 大西 洋平 win the 2026 election?expand_more
大西 洋平 won the 2026 House of Representatives race in Tokyo 16th District, recording 92,858 votes (44.6%).
Which party did 大西 洋平 represent?expand_more
大西 洋平 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Tokyo 16th District in 2026?expand_more
大西 洋平 (LDP) won Tokyo 16th District with 92,858 votes, a vote share of 44.6%.