Candidates
長坂 康正 — Aichi 9th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Aichi 9th District (2021) — 120,213 votes (52.7%), rank #1 of 2.
- chevron_rightProfile: Male, age 64. Background: 大臣. Status entering: Incumbent.
- chevron_rightEndorsed by: 公明
- chevron_rightCareer wins to date: 4
fact_check Quick Facts
Age
64 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
120,213
Vote Share
52.7%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
LDP
自民
Party Candidates 2021
351
Party Seats Won
261
Prefectures
58
Avg Share
51.1%
Occupation & Background
Category大臣
Detail元経済産業副大臣、元復興政務官
Incumbency & Career Wins
- Status entering the 2021 election: Incumbent
- Total recorded wins to date: 4
- Age at time of election: 64
Endorsements
公明
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 長坂 康正 this page | LDP | 120,213 | 52.7% |
| #2 | 岡本 充功 | CDP | 107,722 | 47.3% |
Same-Party Peers in 2021
- 武村 展英 — Shiga 3rd District, 52.8% (Won)
- 木原 誠二 — Tokyo 20th District, 52.6% (Won)
- 新藤 義孝 — Saitama 2nd District, 52.8% (Won)
- 中西 健治 — Kanagawa 3rd District, 52.5% (Won)
- 国光 文乃 — Ibaraki 6th District, 52.5% (Won)
Candidates with Similar Vote Share
- 逢坂 誠二 (CDP, Hokkaido 8th District) — 52.7%
- 小山 展弘 (CDP, Shizuoka 3rd District) — 52.7%
- 重徳 和彦 (CDP, Aichi 12th District) — 52.7%
- 大西 健介 (CDP, Aichi 13th District) — 52.7%
- 武村 展英 (LDP, Shiga 3rd District) — 52.8%
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 (2021)
Districts
15
Candidates
41
Seats Filled
15
Active Parties
8
Party representation across Aichi
LDP15 cand · 11 won
CDP13 cand · 3 won
JCP5 cand · 0 won
Ishin3 cand · 0 won
Reiwa2 cand · 0 won
NHK Party1 cand · 0 won
DPP1 cand · 1 won
Independent1 cand · 0 won
Top performers across Aichi (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 八木 哲也 | Aichi 11th District | LDP | 158,018 | 69.1% | Won |
| 鈴木 淳司 | Aichi 7th District | LDP | 144,725 | 54.7% | Won |
| 重徳 和彦 | Aichi 12th District | CDP | 142,536 | 52.7% | Won |
| 丹羽 秀樹 | Aichi 6th District | LDP | 136,168 | 58.3% | Won |
| 大西 健介 | Aichi 13th District | CDP | 134,033 | 52.7% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 131,397 | 62.3% | Won |
| 青山 周平 | Aichi 12th District | LDP | 128,083 | 47.3% | Lost |
Where 長坂 康正 ranks
Among LDP single-member candidates in 2021
Higher vote share than 60.2% (168 of 279)
Among ALL single-member candidates in 2021
Higher vote share than 83.2% (713 of 857)
大臣 cohort (2021)
Cohort Size
216
Cohort Wins
153
Cohort Avg Share
50.1%
Cohort Avg Age
61
長坂 康正's 52.7% vote share is 2.63 percentage points above the 大臣 cohort average for 2021.
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 2021.
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 2021?expand_more
Aichi had 15 districts with 41 total candidates in 2021, of whom 15 won seats.
Did 長坂 康正 win the 2021 election?expand_more
長坂 康正 won the 2021 House of Representatives race in Aichi 9th District, recording 120,213 votes (52.7%).
Which party did 長坂 康正 represent?expand_more
長坂 康正 ran as a LDP candidate. The party fielded 351 candidates in 2021.
Who won Aichi 9th District in 2021?expand_more
長坂 康正 (LDP) won Aichi 9th District with 120,213 votes, a vote share of 52.7%.