Candidates
水沼 秀幸 — Chiba 4th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Chiba 4th District (2026) — 71,698 votes (32.5%), rank #2 of 5.
- chevron_rightProfile: Male, age 35. Background: 政党役職. Status entering: Incumbent.
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
71,698
Vote Share
32.5%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
Centrist
中道
Party Candidates 2026
244
Party Seats Won
49
Prefectures
58
Avg Share
30.3%
Occupation & Background
Category政党役職
Detail元立憲民主党政務調査会長補佐
Incumbency & Career Wins
- Status entering the 2026 election: Incumbent
- Total recorded wins to date: 1
- Age at time of election: 35
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 鹿嶋 祐介 | LDP | 106,236 | 48.2% |
| #2 | 水沼 秀幸 this page | Centrist | 71,698 | 32.5% |
| #3 | 工藤 聖子 | Sanseito | 24,827 | 11.3% |
| #4 | 玉堀 里衣 | JCP | 11,807 | 5.4% |
| #5 | 高橋 宏 | 減ゆ | 5,891 | 2.7% |
Same-Party Peers in 2026
- 谷田川 元 — Chiba 10th District, 32.6% (Lost)
- 山田 勝彦 — Nagasaki 2nd District, 32.4% (Lost)
- 升田 世喜男 — Aomori 1st District, 32.6% (Lost)
- 本庄 知史 — Chiba 8th District, 32.3% (Lost)
- 竹内 千春 — Saitama 3rd District, 32.7% (Lost)
Candidates with Similar Vote Share
- 森 洋介 (DPP, Tokyo 13th District) — 32.5%
- 熊田 裕通 (LDP, Aichi 1st District) — 32.5%
- 山際 大志郎 (LDP, Kanagawa 18th District) — 32.4%
- 谷田川 元 (Centrist, Chiba 10th District) — 32.6%
- 山田 勝彦 (Centrist, Nagasaki 2nd District) — 32.4%
Career Timeline
Elections
2
Career Wins
1
Total Votes
161,709
Best Vote Share
43.3%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Chiba 4th District | Centrist | Single-member | 71,698 | 32.5% | #2 | Lost |
| 2024 | Chiba 4th District | CDP | Single-member | 90,011 | 43.3% | #1 | Won |
Chiba 4th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 鹿嶋 祐介 | LDP | 106,236 | 48.2% | 5 | 34,538 |
| 2024 | 水沼 秀幸 | CDP | 90,011 | 43.3% | 5 | 23,382 |
| 2021 | 野田 佳彦 | CDP | 154,412 | 64.5% | 2 | 69,599 |
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 水沼 秀幸 ranks
Among Centrist single-member candidates in 2026
Higher vote share than 57.4% (116 of 202)
Among ALL single-member candidates in 2026
Higher vote share than 64.3% (720 of 1119)
政党役職 cohort (2026)
Cohort Size
131
Cohort Wins
34
Cohort Avg Share
28.8%
Cohort Avg Age
57
水沼 秀幸's 32.5% vote share is 3.66 percentage points above the 政党役職 cohort average for 2026.
Frequently Asked Questions
How many times has 水沼 秀幸 run for the House of Representatives?expand_more
水沼 秀幸 has appeared in 2 recorded elections, winning 1 of them. The most recent was 2026.
Who has won Chiba 4th District in recent elections?expand_more
Recorded winners of Chiba 4th District: 鹿嶋 祐介 (2026); 水沼 秀幸 (2024); 野田 佳彦 (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 水沼 秀幸 win the 2026 election?expand_more
水沼 秀幸 did not win the 2026 House of Representatives race in Chiba 4th District, recording 71,698 votes (32.5%).
Which party did 水沼 秀幸 represent?expand_more
水沼 秀幸 ran as a Centrist candidate. The party fielded 244 candidates in 2026.
Who won Chiba 4th District in 2026?expand_more
鹿嶋 祐介 (LDP) won Chiba 4th District with 106,236 votes, a vote share of 48.2%.