Candidates
大西 健介 — Aichi 13th District 2024
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Aichi 13th District (2024) — 137,944 votes (56.3%), rank #1 of 3.
- chevron_rightProfile: Male, age 53. Background: 政党役職. Status entering: Incumbent.
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
53 yrs
Gender
male ♂ Male
Election Date
Th10 27, 2024
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
137,944
Vote Share
56.3%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
CDP
立民
Party Candidates 2024
251
Party Seats Won
148
Prefectures
58
Avg Share
39.5%
Occupation & Background
Category政党役職
Detail元立憲民主党選挙対策委員長、元衆議院議員秘書
Incumbency & Career Wins
- Status entering the 2024 election: Incumbent
- Total recorded wins to date: 6
- Age at time of election: 53
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 大西 健介 this page | CDP | 137,944 | 56.3% |
| #2 | 石井 拓 | LDP | 90,214 | 36.8% |
| #3 | 牛田 清博 | JCP | 16,818 | 6.9% |
Same-Party Peers in 2024
- 菊田 真紀子 — Niigata 2nd District, 56.2% (Won)
- 山岡 達丸 — Hokkaido 9th District, 56.1% (Won)
- 福田 昭夫 — Tochigi 2nd District, 56.8% (Won)
- 梅谷 守 — Niigata 5th District, 55.3% (Won)
- 今井 雅人 — Gifu 4th District, 57.3% (Won)
Candidates with Similar Vote Share
- 菊田 真紀子 (CDP, Niigata 2nd District) — 56.2%
- 浜田 靖一 (LDP, Chiba 12th District) — 56.5%
- 山岡 達丸 (CDP, Hokkaido 9th District) — 56.1%
- 加藤 鮎子 (LDP, Yamagata 3rd District) — 56.1%
- 福田 達夫 (LDP, Gunma 4th District) — 56.0%
Career Timeline
Elections
3
Career Wins
2
Total Votes
366,376
Best Vote Share
56.3%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Aichi 13th District | Centrist | Single-member | 94,399 | 36.4% | #2 | Lost |
| 2024 | Aichi 13th District | CDP | Single-member | 137,944 | 56.3% | #1 | Won |
| 2021 | Aichi 13th District | CDP | Single-member | 134,033 | 52.7% | #1 | Won |
Aichi 13th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 石井 拓 | LDP | 151,944 | 58.6% | 3 | 57,545 |
| 2024 | 大西 健介 | CDP | 137,944 | 56.3% | 3 | 47,730 |
| 2021 | 大西 健介 | CDP | 134,033 | 52.7% | 2 | 13,830 |
Aichi Snapshot (2024)
Districts
16
Candidates
61
Seats Filled
16
Active Parties
11
Party representation across Aichi
LDP15 cand · 3 won
JCP13 cand · 0 won
CDP12 cand · 8 won
Ishin8 cand · 0 won
保守4 cand · 1 won
DPP4 cand · 4 won
Reiwa1 cand · 0 won
Komeito1 cand · 0 won
Sanseito1 cand · 0 won
Independent1 cand · 0 won
SDP1 cand · 0 won
Top performers across Aichi (2024)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 丹野 みどり | Aichi 11th District | DPP | 134,528 | 56.9% | Won |
| 重徳 和彦 | Aichi 12th District | CDP | 126,940 | 50.5% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 121,739 | 58.5% | Won |
| 伴野 豊 | Aichi 8th District | CDP | 115,282 | 49.7% | Won |
| 日野 紗里亜 | Aichi 7th District | DPP | 111,406 | 55.9% | Won |
| 近藤 昭一 | Aichi 3rd District | CDP | 103,624 | 47.0% | Won |
| 伊藤 忠彦 | Aichi 8th District | LDP | 95,844 | 41.3% | Lost |
Where 大西 健介 ranks
Among CDP single-member candidates in 2024
Higher vote share than 94.2% (195 of 207)
Among ALL single-member candidates in 2024
Higher vote share than 94.8% (1055 of 1113)
政党役職 cohort (2024)
Cohort Size
252
Cohort Wins
99
Cohort Avg Share
26.0%
Cohort Avg Age
56
大西 健介's 56.3% vote share is 30.34 percentage points above the 政党役職 cohort average for 2024.
Frequently Asked Questions
How many times has 大西 健介 run for the House of Representatives?expand_more
大西 健介 has appeared in 3 recorded elections, winning 2 of them. The most recent was 2024.
Who has won Aichi 13th District in recent elections?expand_more
Recorded winners of Aichi 13th District: 石井 拓 (2026); 大西 健介 (2024); 大西 健介 (2021).
How many Aichi districts ran candidates in 2024?expand_more
Aichi had 16 districts with 61 total candidates in 2024, of whom 16 won seats.
Did 大西 健介 win the 2024 election?expand_more
大西 健介 won the 2024 House of Representatives race in Aichi 13th District, recording 137,944 votes (56.3%).
Which party did 大西 健介 represent?expand_more
大西 健介 ran as a CDP candidate. The party fielded 251 candidates in 2024.
Who won Aichi 13th District in 2024?expand_more
大西 健介 (CDP) won Aichi 13th District with 137,944 votes, a vote share of 56.3%.