Candidates
細田 博之 — Shimane 1st District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Shimane 1st District (2021) — 90,638 votes (56.0%), rank #1 of 3.
- chevron_rightProfile: Male, age 77. Background: その他. Status entering: Incumbent.
- chevron_rightEndorsed by: 公明
- chevron_rightCareer wins to date: 11
fact_check Quick Facts
Age
77 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
90,638
Vote Share
56.0%
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その他
Detail元官房長官、元自民党幹事長
Incumbency & Career Wins
- Status entering the 2021 election: Incumbent
- Total recorded wins to date: 11
- Age at time of election: 77
Endorsements
公明
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 細田 博之 this page | LDP | 90,638 | 56.0% |
| #2 | 亀井 亜紀子 | CDP | 66,847 | 41.3% |
| #3 | 亀井 彰子 | Independent | 4,318 | 2.7% |
Same-Party Peers in 2021
- 武田 良太 — Fukuoka 11th District, 55.8% (Won)
- 中曽根 康隆 — Gunma 1st District, 56.3% (Won)
- 山口 壯 — Hyogo 12th District, 55.6% (Won)
- 山下 貴司 — Okayama 2nd District, 56.4% (Won)
- 東 国幹 — Hokkaido 6th District, 55.5% (Won)
Candidates with Similar Vote Share
- 大島 敦 (CDP, Saitama 6th District) — 56.0%
- 西岡 秀子 (DPP, Nagasaki 1st District) — 56.1%
- 武田 良太 (LDP, Fukuoka 11th District) — 55.8%
- 源馬 謙太郎 (CDP, Shizuoka 8th District) — 55.8%
- 青柳 仁士 (Ishin, Osaka 14th District) — 55.7%
Shimane 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 高階 恵美子 | LDP | 67,438 | 51.0% | 4 | 17,571 |
| 2024 | 亀井 亜紀子 | CDP | 73,484 | 51.1% | 3 | 10,246 |
| 2021 | 細田 博之 | LDP | 90,638 | 56.0% | 3 | 23,791 |
Where 細田 博之 ranks
Among LDP single-member candidates in 2021
Higher vote share than 69.5% (194 of 279)
Among ALL single-member candidates in 2021
Higher vote share than 88.7% (760 of 857)
その他 cohort (2021)
Cohort Size
86
Cohort Wins
33
Cohort Avg Share
23.5%
Cohort Avg Age
51
細田 博之's 56.0% vote share is 32.53 percentage points above the その他 cohort average for 2021.
Frequently Asked Questions
Who has won Shimane 1st District in recent elections?expand_more
Recorded winners of Shimane 1st District: 高階 恵美子 (2026); 亀井 亜紀子 (2024); 細田 博之 (2021).
Did 細田 博之 win the 2021 election?expand_more
細田 博之 won the 2021 House of Representatives race in Shimane 1st District, recording 90,638 votes (56.0%).
Which party did 細田 博之 represent?expand_more
細田 博之 ran as a LDP candidate. The party fielded 351 candidates in 2021.
Who won Shimane 1st District in 2021?expand_more
細田 博之 (LDP) won Shimane 1st District with 90,638 votes, a vote share of 56.0%.