Candidates
井戸 正枝 — Tokyo 15th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Tokyo 15th District (2021) — 58,978 votes (24.7%), rank #2 of 7.
- chevron_rightProfile: Female, age 55. Background: 議員. Status entering: Former.
- chevron_rightEndorsed by: 社民都連合
fact_check Quick Facts
Age
55 yrs
Gender
female ♀ Female
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
58,978
Vote Share
24.7%
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議員
Detailジャーナリスト、元兵庫県議会議員
Incumbency & Career Wins
- Status entering the 2021 election: Former
- Total recorded wins to date: 1
- Age at time of election: 55
Endorsements
社民都連合
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 柿沢 未途 | LDP | 76,261 | 32.0% |
| #2 | 井戸 正枝 this page | CDP | 58,978 | 24.7% |
| #3 | 金澤 結衣 | Ishin | 44,882 | 18.8% |
| #4 | 今村 洋史 | Independent | 26,628 | 11.2% |
| #5 | 猪野 隆 | Independent | 17,514 | 7.3% |
| #6 | 桜井 誠 | 第一 | 9,449 | 4.0% |
| #7 | 吉田 浩司 | Independent | 4,608 | 1.9% |
Same-Party Peers in 2021
- 猪奥 美里 — Nara 2nd District, 24.8% (Lost)
- 佐藤 広典 — Hiroshima 7th District, 24.5% (Lost)
- 荒井 淳志 — Ishikawa 1st District, 25.3% (Lost)
- 平野 博文 — Osaka 11th District, 25.5% (Lost)
- 安田 真理 — Hyogo 7th District, 25.6% (Lost)
Candidates with Similar Vote Share
- 猪奥 美里 (CDP, Nara 2nd District) — 24.8%
- 高橋 英明 (Ishin, Saitama 2nd District) — 24.9%
- 吉川 赳 (LDP, Shizuoka 5th District) — 24.9%
- 佐藤 広典 (CDP, Hiroshima 7th District) — 24.5%
- 谷川 智行 (JCP, Tokyo 4th District) — 24.9%
Career Timeline
Elections
4
Career Wins
1
Total Votes
166,398
Best Vote Share
24.7%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Tokyo Block (PR Block) | DPP | PR Block | 0 | 0.0% | #12 | Won |
| 2026 | Tokyo 4th District | DPP | Single-member | 55,610 | 24.1% | #2 | Lost |
| 2024 | Tokyo 4th District | DPP | Single-member | 51,810 | 24.0% | #2 | Lost |
| 2021 | Tokyo 15th District | CDP | Single-member | 58,978 | 24.7% | #2 | Lost |
Tokyo 15th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 大空 幸星 | LDP | 109,489 | 42.5% | 6 | 38,578 |
| 2024 | 酒井 菜摘 | CDP | 66,791 | 27.5% | 5 | 1,125 |
| 2021 | 柿沢 未途 | LDP | 76,261 | 32.0% | 7 | 17,283 |
Tokyo Snapshot (2021)
Districts
25
Candidates
96
Seats Filled
25
Active Parties
13
Party representation across Tokyo
LDP24 cand · 16 won
CDP20 cand · 8 won
Ishin17 cand · 0 won
Independent14 cand · 0 won
JCP9 cand · 0 won
NHK Party3 cand · 0 won
DPP2 cand · 0 won
Reiwa2 cand · 0 won
Komeito1 cand · 1 won
第一1 cand · 0 won
SDP1 cand · 0 won
やまと1 cand · 0 won
Minor Parties1 cand · 0 won
Top performers across Tokyo (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 萩生田 光一 | Tokyo 24th District | LDP | 149,152 | 58.5% | Won |
| 吉田 晴美 | Tokyo 8th District | CDP | 137,341 | 48.4% | Won |
| 小倉 將信 | Tokyo 23rd District | LDP | 133,206 | 51.2% | Won |
| 井上 信治 | Tokyo 25th District | LDP | 131,430 | 59.4% | Won |
| 伊藤 達也 | Tokyo 22nd District | LDP | 131,351 | 46.9% | Won |
| 平 将明 | Tokyo 4th District | LDP | 128,708 | 51.5% | Won |
| 伊藤 俊輔 | Tokyo 23rd District | CDP | 126,732 | 48.8% | Lost |
Where 井戸 正枝 ranks
Among CDP single-member candidates in 2021
Higher vote share than 10.7% (23 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 35.9% (308 of 857)
議員 cohort (2021)
Cohort Size
142
Cohort Wins
64
Cohort Avg Share
30.4%
Cohort Avg Age
53
井戸 正枝's 24.7% vote share is 5.71 percentage points below the 議員 cohort average for 2021.
Frequently Asked Questions
How many times has 井戸 正枝 run for the House of Representatives?expand_more
井戸 正枝 has appeared in 4 recorded elections, winning 1 of them. The most recent was 2021.
Who has won Tokyo 15th District in recent elections?expand_more
Recorded winners of Tokyo 15th District: 大空 幸星 (2026); 酒井 菜摘 (2024); 柿沢 未途 (2021).
How many Tokyo districts ran candidates in 2021?expand_more
Tokyo had 25 districts with 96 total candidates in 2021, of whom 25 won seats.
Did 井戸 正枝 win the 2021 election?expand_more
井戸 正枝 did not win the 2021 House of Representatives race in Tokyo 15th District, recording 58,978 votes (24.7%).
Which party did 井戸 正枝 represent?expand_more
井戸 正枝 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Tokyo 15th District in 2021?expand_more
柿沢 未途 (LDP) won Tokyo 15th District with 76,261 votes, a vote share of 32.0%.