Candidates
大内 一也 — Yamaguchi 1st District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Yamaguchi 1st District (2021) — 50,684 votes (29.9%), rank #2 of 2.
- chevron_rightProfile: Male, age 48. Background: 政党役職. Status entering: Newcomer.
fact_check Quick Facts
Age
48 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
50,684
Vote Share
29.9%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
CDP
立民
Party Candidates 2021
253
Party Seats Won
96
Prefectures
58
Avg Share
39.0%
Occupation & Background
Category政党役職
Detail立憲民主党山口県連副代表、元千葉県鎌ケ谷市議会議員
Incumbency & Career Wins
- Status entering the 2021 election: Newcomer
- Age at time of election: 48
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 高村 正大 | LDP | 118,882 | 70.1% |
| #2 | 大内 一也 this page | CDP | 50,684 | 29.9% |
Same-Party Peers in 2021
- 渡辺 典喜 — Tochigi 1st District, 29.9% (Lost)
- ライアン 真由美 — Hiroshima 3rd District, 29.9% (Lost)
- 水野 素子 — Tokyo 16th District, 29.8% (Lost)
- 小林 丈人 — Kanagawa 3rd District, 30.2% (Lost)
- 樋高 剛 — Chiba 12th District, 29.5% (Lost)
Candidates with Similar Vote Share
- 渡辺 典喜 (CDP, Tochigi 1st District) — 29.9%
- ライアン 真由美 (CDP, Hiroshima 3rd District) — 29.9%
- 水野 素子 (CDP, Tokyo 16th District) — 29.8%
- 佐藤 ゆかり (LDP, Osaka 11th District) — 29.8%
- 村上 智信 (Independent, Fukuoka 11th District) — 30.1%
Yamaguchi 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 高村 正大 | LDP | 124,364 | 63.5% | 3 | 85,256 |
| 2024 | 高村 正大 | LDP | 99,644 | 54.3% | 4 | 59,407 |
| 2021 | 高村 正大 | LDP | 118,882 | 70.1% | 2 | 68,198 |
Yamaguchi Snapshot (2021)
Districts
4
Candidates
9
Seats Filled
4
Active Parties
5
Party representation across Yamaguchi
LDP4 cand · 4 won
CDP2 cand · 0 won
JCP1 cand · 0 won
Reiwa1 cand · 0 won
Independent1 cand · 0 won
Top performers across Yamaguchi (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 高村 正大 | Yamaguchi 1st District | LDP | 118,882 | 70.1% | Won |
| 岸 信夫 | Yamaguchi 2nd District | LDP | 109,914 | 76.9% | Won |
| 林 芳正 | Yamaguchi 3rd District | LDP | 96,983 | 76.9% | Won |
| 安倍 晋三 | Yamaguchi 4th District | LDP | 80,448 | 69.7% | Won |
| 松田 一志 | Yamaguchi 2nd District | JCP | 32,936 | 23.1% | Lost |
| 坂本 史子 | Yamaguchi 3rd District | CDP | 29,073 | 23.1% | Lost |
| 竹村 克司 | Yamaguchi 4th District | Reiwa | 19,096 | 16.6% | Lost |
Where 大内 一也 ranks
Among CDP single-member candidates in 2021
Higher vote share than 19.2% (41 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 40.5% (347 of 857)
政党役職 cohort (2021)
Cohort Size
210
Cohort Wins
98
Cohort Avg Share
33.5%
Cohort Avg Age
56
大内 一也's 29.9% vote share is 3.63 percentage points below the 政党役職 cohort average for 2021.
Frequently Asked Questions
Who has won Yamaguchi 1st District in recent elections?expand_more
Recorded winners of Yamaguchi 1st District: 高村 正大 (2026); 高村 正大 (2024); 高村 正大 (2021).
How many Yamaguchi districts ran candidates in 2021?expand_more
Yamaguchi had 4 districts with 9 total candidates in 2021, of whom 4 won seats.
Did 大内 一也 win the 2021 election?expand_more
大内 一也 did not win the 2021 House of Representatives race in Yamaguchi 1st District, recording 50,684 votes (29.9%).
Which party did 大内 一也 represent?expand_more
大内 一也 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Yamaguchi 1st District in 2021?expand_more
高村 正大 (LDP) won Yamaguchi 1st District with 118,882 votes, a vote share of 70.1%.