Candidates
大岡 敏孝 — Shiga 1st District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Shiga 1st District (2026) — 76,367 votes (42.0%), rank #1 of 4.
- chevron_rightProfile: Male, age 53. Background: 大臣. Status entering: Incumbent.
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
53 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
76,367
Vote Share
42.0%
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元環境副大臣
Incumbency & Career Wins
- Status entering the 2026 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 | 大岡 敏孝 this page | LDP | 76,367 | 42.0% |
| #2 | 斎藤 アレックス | Ishin | 47,217 | 26.0% |
| #3 | 河井 昭成 | DPP | 38,911 | 21.4% |
| #4 | 黄野瀬 明子 | JCP | 19,198 | 10.6% |
Same-Party Peers in 2026
- 若山 慎司 — Aichi 10th District, 42.1% (Won)
- 石原 正敬 — Mie 3rd District, 42.1% (Won)
- 新藤 義孝 — Saitama 2nd District, 41.8% (Won)
- 國場 幸之助 — Okinawa 1st District, 42.3% (Won)
- 工藤 彰三 — Aichi 4th District, 41.7% (Won)
Candidates with Similar Vote Share
- 早稲田 夕季 (Centrist, Kanagawa 4th District) — 42.0%
- 若山 慎司 (LDP, Aichi 10th District) — 42.1%
- 石原 正敬 (LDP, Mie 3rd District) — 42.1%
- 青山 大人 (Independent, Ibaraki 6th District) — 42.2%
- 新藤 義孝 (LDP, Saitama 2nd District) — 41.8%
Career Timeline
Elections
4
Career Wins
3
Total Votes
243,883
Best Vote Share
52.2%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Shiga 1st District | LDP | Single-member | 76,367 | 42.0% | #1 | Won |
| 2024 | Shiga 1st District | LDP | Single-member | 70,033 | 40.6% | #2 | Lost |
| 2024 | Kinki Block (PR Block) | LDP | PR Block | 1 | 0.0% | #3 | Won |
| 2021 | Shiga 1st District | LDP | Single-member | 97,482 | 52.2% | #1 | Won |
Shiga 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 大岡 敏孝 | LDP | 76,367 | 42.0% | 4 | 29,150 |
| 2024 | 斎藤 アレックス | ISHIN | 74,126 | 43.0% | 3 | 4,093 |
| 2021 | 大岡 敏孝 | LDP | 97,482 | 52.2% | 3 | 13,376 |
Shiga Snapshot (2026)
Districts
3
Candidates
13
Seats Filled
3
Active Parties
7
Party representation across Shiga
LDP3 cand · 3 won
Ishin3 cand · 0 won
JCP2 cand · 0 won
Centrist2 cand · 0 won
DPP1 cand · 0 won
Sanseito1 cand · 0 won
Reiwa1 cand · 0 won
Top performers across Shiga (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 上野 賢一郎 | Shiga 2nd District | LDP | 141,853 | 60.1% | Won |
| 武村 展英 | Shiga 3rd District | LDP | 108,917 | 48.6% | Won |
| 斎藤 アレックス | Shiga 1st District | Ishin | 47,217 | 26.0% | Lost |
| 平尾 道雄 | Shiga 2nd District | Centrist | 47,132 | 20.0% | Lost |
| 岡屋 京佑 | Shiga 2nd District | Ishin | 46,898 | 19.9% | Lost |
| 河井 昭成 | Shiga 1st District | DPP | 38,911 | 21.4% | Lost |
| 出路 真吾 | Shiga 3rd District | Ishin | 36,984 | 16.5% | Lost |
Where 大岡 敏孝 ranks
Among LDP single-member candidates in 2026
Higher vote share than 22% (63 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 75.8% (848 of 1119)
大臣 cohort (2026)
Cohort Size
161
Cohort Wins
131
Cohort Avg Share
50.2%
Cohort Avg Age
60
大岡 敏孝's 42.0% vote share is 8.19 percentage points below the 大臣 cohort average for 2026.
Frequently Asked Questions
How many times has 大岡 敏孝 run for the House of Representatives?expand_more
大岡 敏孝 has appeared in 4 recorded elections, winning 3 of them. The most recent was 2026.
Who has won Shiga 1st District in recent elections?expand_more
Recorded winners of Shiga 1st District: 大岡 敏孝 (2026); 斎藤 アレックス (2024); 大岡 敏孝 (2021).
How many Shiga districts ran candidates in 2026?expand_more
Shiga had 3 districts with 13 total candidates in 2026, of whom 3 won seats.
Did 大岡 敏孝 win the 2026 election?expand_more
大岡 敏孝 won the 2026 House of Representatives race in Shiga 1st District, recording 76,367 votes (42.0%).
Which party did 大岡 敏孝 represent?expand_more
大岡 敏孝 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Shiga 1st District in 2026?expand_more
大岡 敏孝 (LDP) won Shiga 1st District with 76,367 votes, a vote share of 42.0%.