Candidates
岡島 一正 — Chiba 3rd District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Chiba 3rd District (2026) — 48,689 votes (29.2%), rank #2 of 4.
- chevron_rightProfile: Male, age 68. Background: その他. Status entering: Incumbent.
- chevron_rightCareer wins to date: 4
fact_check Quick Facts
Age
68 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
48,689
Vote Share
29.2%
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その他
Detail元ＮＨＫカメラマン
Incumbency & Career Wins
- Status entering the 2026 election: Incumbent
- Total recorded wins to date: 4
- Age at time of election: 68
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 this page | Centrist | 48,689 | 29.2% |
| #3 | 山本 政幸 | Sanseito | 22,750 | 13.6% |
| #4 | 渡部 公美子 | JCP | 8,591 | 5.2% |
Same-Party Peers in 2026
- 近藤 昭一 — Aichi 3rd District, 29.2% (Lost)
- 鈴木 岳幸 — Shizuoka 2nd District, 28.9% (Lost)
- 河村 正剛 — Gunma 1st District, 28.8% (Lost)
- 鈴木 烈 — Tokyo 21st District, 28.7% (Lost)
- 東 克哉 — Hiroshima 3rd District, 29.7% (Lost)
Candidates with Similar Vote Share
- 近藤 昭一 (Centrist, Aichi 3rd District) — 29.2%
- 福田 玄 (DPP, Hiroshima 2nd District) — 29.4%
- 浅田 眞澄美 (LDP, Nagasaki 1st District) — 29.5%
- 柴田 将平 (DPP, Shizuoka 1st District) — 29.5%
- 鈴木 岳幸 (Centrist, Shizuoka 2nd District) — 28.9%
Career Timeline
Elections
4
Career Wins
1
Total Votes
178,486
Best Vote Share
39.2%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Chiba 3rd District | Centrist | Single-member | 48,689 | 29.2% | #2 | Lost |
| 2024 | Southern Kanto Block (PR Block) | CDP | PR Block | 1 | 0.0% | #11 | Won |
| 2024 | Chiba 3rd District | CDP | Single-member | 64,169 | 39.2% | #2 | Lost |
| 2021 | Chiba 3rd District | CDP | Single-member | 65,627 | 38.1% | #2 | Lost |
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 岡島 一正 ranks
Among Centrist single-member candidates in 2026
Higher vote share than 44.6% (90 of 202)
Among ALL single-member candidates in 2026
Higher vote share than 60.6% (678 of 1119)
その他 cohort (2026)
Cohort Size
224
Cohort Wins
17
Cohort Avg Share
15.0%
Cohort Avg Age
51
岡島 一正's 29.2% vote share is 14.22 percentage points above the その他 cohort average for 2026.
Frequently Asked Questions
How many times has 岡島 一正 run for the House of Representatives?expand_more
岡島 一正 has appeared in 4 recorded elections, winning 1 of them. The most recent was 2026.
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 岡島 一正 win the 2026 election?expand_more
岡島 一正 did not win the 2026 House of Representatives race in Chiba 3rd District, recording 48,689 votes (29.2%).
Which party did 岡島 一正 represent?expand_more
岡島 一正 ran as a Centrist candidate. The party fielded 244 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%.