Candidates
長坂 康正 — Aichi 9th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Aichi 9th District (2026) — 93,351 votes (45.1%), rank #1 of 5.
- chevron_rightProfile: Male, age 68. Background: 大臣. Status entering: Incumbent.
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
68 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
93,351
Vote Share
45.1%
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大臣
Detail厚生労働副大臣
Incumbency & Career Wins
- Status entering the 2026 election: Incumbent
- Total recorded wins to date: 6
- Age at time of election: 68
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 長坂 康正 this page | LDP | 93,351 | 45.1% |
| #2 | 岡本 充功 | Centrist | 58,084 | 28.1% |
| #3 | 浦上 奈々 | Ishin | 24,489 | 11.8% |
| #4 | 加藤 泰稚 | Sanseito | 22,098 | 10.7% |
| #5 | 伊藤 恵子 | JCP | 8,930 | 4.3% |
Same-Party Peers in 2026
- 衛藤 博昭 — Oita 1st District, 45.1% (Won)
- 小森 卓郎 — Ishikawa 1st District, 45.0% (Won)
- 土井 亨 — Miyagi 1st District, 45.0% (Won)
- 江藤 拓 — Miyazaki 2nd District, 45.0% (Lost)
- 西山 尚利 — Fukushima 1st District, 45.2% (Won)
Candidates with Similar Vote Share
- 池下 卓 (Ishin, Osaka 10th District) — 45.1%
- 衛藤 博昭 (LDP, Oita 1st District) — 45.1%
- 原口 一博 (減ゆ, Saga 1st District) — 45.0%
- 野田 佳彦 (Centrist, Chiba 14th District) — 45.0%
- 小森 卓郎 (LDP, Ishikawa 1st District) — 45.0%
Career Timeline
Elections
4
Career Wins
3
Total Votes
292,291
Best Vote Share
52.7%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Aichi 9th District | LDP | Single-member | 93,351 | 45.1% | #1 | Won |
| 2024 | Tokai Block (PR Block) | LDP | PR Block | 1 | 0.0% | #5 | Won |
| 2024 | Aichi 9th District | LDP | Single-member | 78,726 | 41.5% | #2 | Lost |
| 2021 | Aichi 9th District | LDP | Single-member | 120,213 | 52.7% | #1 | Won |
Aichi 9th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 長坂 康正 | LDP | 93,351 | 45.1% | 5 | 35,267 |
| 2024 | 岡本 充功 | CDP | 91,152 | 48.0% | 3 | 12,426 |
| 2021 | 長坂 康正 | LDP | 120,213 | 52.7% | 2 | 12,491 |
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 長坂 康正 ranks
Among LDP single-member candidates in 2026
Higher vote share than 32.5% (93 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 80.6% (902 of 1119)
大臣 cohort (2026)
Cohort Size
161
Cohort Wins
131
Cohort Avg Share
50.2%
Cohort Avg Age
60
長坂 康正's 45.1% vote share is 5.09 percentage points below the 大臣 cohort average for 2026.
Frequently Asked Questions
How many times has 長坂 康正 run for the House of Representatives?expand_more
長坂 康正 has appeared in 4 recorded elections, winning 3 of them. The most recent was 2026.
Who has won Aichi 9th District in recent elections?expand_more
Recorded winners of Aichi 9th District: 長坂 康正 (2026); 岡本 充功 (2024); 長坂 康正 (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 長坂 康正 win the 2026 election?expand_more
長坂 康正 won the 2026 House of Representatives race in Aichi 9th District, recording 93,351 votes (45.1%).
Which party did 長坂 康正 represent?expand_more
長坂 康正 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Aichi 9th District in 2026?expand_more
長坂 康正 (LDP) won Aichi 9th District with 93,351 votes, a vote share of 45.1%.