Candidates
山口 洋太 — Fukushima 4th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Fukushima 4th District (2026) — 38,539 votes (18.9%), rank #3 of 4.
- chevron_rightProfile: Male, age 35. Background: 議員. Status entering: Newcomer.
fact_check Quick Facts
Age
35 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
38,539
Vote Share
18.9%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
DPP
国民
Party Candidates 2026
122
Party Seats Won
28
Prefectures
55
Avg Share
21.5%
Occupation & Background
Category議員
Detail元福島県議会議員
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 35
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 坂本 竜太郎 | LDP | 100,795 | 49.3% |
| #2 | 齋藤 裕喜 | Centrist | 54,672 | 26.8% |
| #3 | 山口 洋太 this page | DPP | 38,539 | 18.9% |
| #4 | 熊谷 智 | JCP | 10,254 | 5.0% |
Same-Party Peers in 2026
- 武藤 雄大 — Chiba 6th District, 18.5% (Lost)
- 山本 圭太 — Toyama 3rd District, 18.5% (Lost)
- 鳩山 紀一郎 — Tokyo 2nd District, 18.4% (Lost)
- 片山 智絵 — Kanagawa 2nd District, 19.5% (Lost)
- 丸山 勝己 — Tokyo 6th District, 18.2% (Lost)
Candidates with Similar Vote Share
- 原田 亜希子 (JCP, Okayama 3rd District) — 18.9%
- 大薄 裕也 (Independent, Chiba 12th District) — 18.8%
- 霍田 和佳 (Sanseito, Kumamoto 3rd District) — 18.7%
- 前田 智徳 (Sanseito, Kumamoto 2nd District) — 19.2%
- 峰島 侑也 (Mirai, Tokyo 7th District) — 18.6%
Fukushima 4th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 坂本 竜太郎 | LDP | 100,795 | 49.3% | 4 | 46,123 |
| 2024 | 坂本 竜太郎 | LDP | 85,751 | 46.5% | 3 | 7,043 |
| 2021 | 小熊 慎司 | CDP | 76,683 | 51.0% | 2 | 2,899 |
Fukushima Snapshot (2026)
Districts
4
Candidates
15
Seats Filled
4
Active Parties
6
Party representation across Fukushima
LDP4 cand · 4 won
Centrist4 cand · 0 won
Independent3 cand · 0 won
JCP2 cand · 0 won
Sanseito1 cand · 0 won
DPP1 cand · 0 won
Top performers across Fukushima (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 根本 拓 | Fukushima 2nd District | LDP | 128,948 | 52.0% | Won |
| 上杉 謙太郎 | Fukushima 3rd District | LDP | 107,649 | 57.0% | Won |
| 坂本 竜太郎 | Fukushima 4th District | LDP | 100,795 | 49.3% | Won |
| 西山 尚利 | Fukushima 1st District | LDP | 99,531 | 45.2% | Won |
| 金子 恵美 | Fukushima 1st District | Centrist | 93,471 | 42.5% | Lost |
| 玄葉 光一郎 | Fukushima 2nd District | Centrist | 90,146 | 36.4% | Lost |
| 小熊 慎司 | Fukushima 3rd District | Centrist | 77,011 | 40.8% | Lost |
Where 山口 洋太 ranks
Among DPP single-member candidates in 2026
Higher vote share than 53.9% (55 of 102)
Among ALL single-member candidates in 2026
Higher vote share than 48.9% (547 of 1119)
議員 cohort (2026)
Cohort Size
216
Cohort Wins
35
Cohort Avg Share
21.9%
Cohort Avg Age
52
山口 洋太's 18.9% vote share is 3.01 percentage points below the 議員 cohort average for 2026.
Frequently Asked Questions
Who has won Fukushima 4th District in recent elections?expand_more
Recorded winners of Fukushima 4th District: 坂本 竜太郎 (2026); 坂本 竜太郎 (2024); 小熊 慎司 (2021).
How many Fukushima districts ran candidates in 2026?expand_more
Fukushima had 4 districts with 15 total candidates in 2026, of whom 4 won seats.
Did 山口 洋太 win the 2026 election?expand_more
山口 洋太 did not win the 2026 House of Representatives race in Fukushima 4th District, recording 38,539 votes (18.9%).
Which party did 山口 洋太 represent?expand_more
山口 洋太 ran as a DPP candidate. The party fielded 122 candidates in 2026.
Who won Fukushima 4th District in 2026?expand_more
坂本 竜太郎 (LDP) won Fukushima 4th District with 100,795 votes, a vote share of 49.3%.