Candidates
山本 政幸 — Chiba 3rd District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Chiba 3rd District (2026) — 22,750 votes (13.6%), rank #3 of 4.
- chevron_rightProfile: Male, age 40. Background: 経営者. Status entering: Newcomer.
fact_check Quick Facts
Age
40 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
22,750
Vote Share
13.6%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
Sanseito
参政
Party Candidates 2026
197
Party Seats Won
15
Prefectures
56
Avg Share
10.8%
Occupation & Background
Category経営者
Detail美容室経営
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 40
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 松野 博一 | LDP | 86,687 | 52.0% |
| #2 | 岡島 一正 | Centrist | 48,689 | 29.2% |
| #3 | 山本 政幸 this page | Sanseito | 22,750 | 13.6% |
| #4 | 渡部 公美子 | JCP | 8,591 | 5.2% |
Same-Party Peers in 2026
- 石川 勝 — Osaka 7th District, 13.5% (Lost)
- 嶋 悦子 — Tokyo 4th District, 13.7% (Lost)
- 桐原 郁生 — Kagoshima 4th District, 13.5% (Lost)
- 北野 裕子 — Shiga 3rd District, 13.5% (Lost)
- 藤原 誠也 — Hyogo 10th District, 13.8% (Lost)
Candidates with Similar Vote Share
- 辻 智之 (Centrist, Fukuoka 11th District) — 13.6%
- 猪口 幸子 (Ishin, Tokyo 17th District) — 13.6%
- 鈴木 佑馬 (DPP, Tokyo 18th District) — 13.6%
- 谷川 裕美 (DPP, Tottori 1st District) — 13.6%
- 堀川 朗子 (JCP, Kyoto 2nd District) — 13.6%
Chiba 3rd District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 松野 博一 | LDP | 86,687 | 52.0% | 4 | 37,998 |
| 2024 | 松野 博一 | LDP | 67,308 | 41.2% | 4 | 3,139 |
| 2021 | 松野 博一 | LDP | 106,500 | 61.9% | 2 | 40,873 |
Chiba Snapshot (2026)
Districts
14
Candidates
52
Seats Filled
14
Active Parties
9
Party representation across Chiba
LDP14 cand · 13 won
Centrist12 cand · 1 won
Sanseito9 cand · 0 won
JCP8 cand · 0 won
DPP3 cand · 0 won
減ゆ2 cand · 0 won
Ishin2 cand · 0 won
Mirai1 cand · 0 won
Independent1 cand · 0 won
Top performers across Chiba (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 浜田 靖一 | Chiba 12th District | LDP | 129,997 | 71.5% | Won |
| 松本 尚 | Chiba 13th District | LDP | 121,796 | 53.9% | Won |
| 門山 宏哲 | Chiba 1st District | LDP | 109,771 | 46.8% | Won |
| 小林 鷹之 | Chiba 2nd District | LDP | 107,933 | 67.5% | Won |
| 鹿嶋 祐介 | Chiba 4th District | LDP | 106,236 | 48.2% | Won |
| 森 英介 | Chiba 11th District | LDP | 102,843 | 61.5% | Won |
| 齋藤 健 | Chiba 7th District | LDP | 100,339 | 64.0% | Won |
Where 山本 政幸 ranks
Among Sanseito single-member candidates in 2026
Higher vote share than 83% (151 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 39.5% (442 of 1119)
経営者 cohort (2026)
Cohort Size
61
Cohort Wins
4
Cohort Avg Share
14.5%
Cohort Avg Age
47
山本 政幸's 13.6% vote share is 0.87 percentage points below the 経営者 cohort average for 2026.
Frequently Asked Questions
Who has won Chiba 3rd District in recent elections?expand_more
Recorded winners of Chiba 3rd District: 松野 博一 (2026); 松野 博一 (2024); 松野 博一 (2021).
How many Chiba districts ran candidates in 2026?expand_more
Chiba had 14 districts with 52 total candidates in 2026, of whom 14 won seats.
Did 山本 政幸 win the 2026 election?expand_more
山本 政幸 did not win the 2026 House of Representatives race in Chiba 3rd District, recording 22,750 votes (13.6%).
Which party did 山本 政幸 represent?expand_more
山本 政幸 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Chiba 3rd District in 2026?expand_more
松野 博一 (LDP) won Chiba 3rd District with 86,687 votes, a vote share of 52.0%.