Candidates
岡本 康宏 — Aichi 5th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Aichi 5th District (2026) — 73,643 votes (41.7%), rank #1 of 6.
- chevron_rightProfile: Male, age 43. Background: 医師. Status entering: Newcomer.
fact_check Quick Facts
Age
43 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
73,643
Vote Share
41.7%
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医師
Detail歯科医師
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Total recorded wins to date: 1
- Age at time of election: 43
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 岡本 康宏 this page | LDP | 73,643 | 41.7% |
| #2 | 西川 厚志 | Centrist | 44,288 | 25.1% |
| #3 | 田中 克和 | 減ゆ | 25,815 | 14.6% |
| #4 | 渡辺 藍理 | Sanseito | 18,970 | 10.7% |
| #5 | 江上 博之 | JCP | 7,487 | 4.2% |
| #6 | 神田 憲次 | Independent | 6,487 | 3.7% |
Same-Party Peers in 2026
- 工藤 彰三 — Aichi 4th District, 41.7% (Won)
- 田所 嘉徳 — Ibaraki 1st District, 41.6% (Won)
- 新藤 義孝 — Saitama 2nd District, 41.8% (Won)
- 渡辺 勝幸 — Miyagi 2nd District, 41.4% (Won)
- 長沢 興祐 — Tokyo 29th District, 41.4% (Won)
Candidates with Similar Vote Share
- 工藤 彰三 (LDP, Aichi 4th District) — 41.7%
- 田所 嘉徳 (LDP, Ibaraki 1st District) — 41.6%
- 新藤 義孝 (LDP, Saitama 2nd District) — 41.8%
- 渡辺 勝幸 (LDP, Miyagi 2nd District) — 41.4%
- 長沢 興祐 (LDP, Tokyo 29th District) — 41.4%
Aichi 5th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 岡本 康宏 | LDP | 73,643 | 41.7% | 6 | 29,355 |
| 2024 | 西川 厚志 | CDP | 54,818 | 34.6% | 5 | 18,156 |
| 2021 | 神田 憲次 | LDP | 84,320 | 41.2% | 3 | 9,325 |
Aichi Snapshot (2026)
Districts
16
Candidates
68
Seats Filled
16
Active Parties
11
Party representation across Aichi
LDP16 cand · 12 won
Centrist13 cand · 0 won
Sanseito9 cand · 0 won
減ゆ8 cand · 1 won
JCP8 cand · 0 won
DPP5 cand · 3 won
Ishin5 cand · 0 won
保守1 cand · 0 won
Reiwa1 cand · 0 won
Independent1 cand · 0 won
SDP1 cand · 0 won
Top performers across Aichi (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 石井 拓 | Aichi 13th District | LDP | 151,944 | 58.6% | Won |
| 丹野 みどり | Aichi 11th District | DPP | 145,739 | 59.7% | Won |
| 伊藤 忠彦 | Aichi 8th District | LDP | 131,050 | 52.8% | Won |
| 青山 周平 | Aichi 12th District | LDP | 128,453 | 47.0% | Won |
| 今枝 宗一郎 | Aichi 14th District | LDP | 119,376 | 67.4% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 110,540 | 49.1% | Won |
| 丹羽 秀樹 | Aichi 6th District | LDP | 109,044 | 54.1% | Won |
Where 岡本 康宏 ranks
Among LDP single-member candidates in 2026
Higher vote share than 21% (60 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 75.5% (845 of 1119)
医師 cohort (2026)
Cohort Size
22
Cohort Wins
4
Cohort Avg Share
21.2%
Cohort Avg Age
58
岡本 康宏's 41.7% vote share is 20.49 percentage points above the 医師 cohort average for 2026.
Frequently Asked Questions
Who has won Aichi 5th District in recent elections?expand_more
Recorded winners of Aichi 5th District: 岡本 康宏 (2026); 西川 厚志 (2024); 神田 憲次 (2021).
How many Aichi districts ran candidates in 2026?expand_more
Aichi had 16 districts with 68 total candidates in 2026, of whom 16 won seats.
Did 岡本 康宏 win the 2026 election?expand_more
岡本 康宏 won the 2026 House of Representatives race in Aichi 5th District, recording 73,643 votes (41.7%).
Which party did 岡本 康宏 represent?expand_more
岡本 康宏 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Aichi 5th District in 2026?expand_more
岡本 康宏 (LDP) won Aichi 5th District with 73,643 votes, a vote share of 41.7%.