Candidates
大河原 雅子 — Tokyo 21st District 2024
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Tokyo 21st District (2024) — 90,724 votes (42.1%), rank #1 of 4.
- chevron_rightProfile: Female, age 71. Background: 議員. Status entering: Incumbent.
- chevron_rightEndorsed by: 社民都連合
- chevron_rightCareer wins to date: 3
fact_check Quick Facts
Age
71 yrs
Gender
female ♀ Female
Election Date
Th10 27, 2024
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
90,724
Vote Share
42.1%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
CDP
立民
Party Candidates 2024
251
Party Seats Won
148
Prefectures
58
Avg Share
39.5%
Occupation & Background
Category議員
Detail元参議院議員、元東京都議会議員
Incumbency & Career Wins
- Status entering the 2024 election: Incumbent
- Total recorded wins to date: 3
- Age at time of election: 71
Endorsements
社民都連合
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 大河原 雅子 this page | CDP | 90,724 | 42.1% |
| #2 | 小田原 潔 | Independent | 69,421 | 32.2% |
| #3 | 山下 容子 | Ishin | 36,642 | 17.0% |
| #4 | 森 裕一 | Sanseito | 18,511 | 8.6% |
Same-Party Peers in 2024
- 宮川 伸 — Chiba 13th District, 42.2% (Lost)
- 五十嵐 衣里 — Tokyo 30th District, 42.0% (Won)
- 下野 幸助 — Mie 2nd District, 42.0% (Won)
- 松尾 明弘 — Tokyo 7th District, 41.9% (Won)
- 稲富 修二 — Fukuoka 2nd District, 41.9% (Won)
Candidates with Similar Vote Share
- 葉梨 康弘 (LDP, Ibaraki 3rd District) — 42.1%
- 宮川 伸 (CDP, Chiba 13th District) — 42.2%
- 藤原 崇 (LDP, Iwate 3rd District) — 42.2%
- 新垣 邦男 (SDP, Okinawa 2nd District) — 42.0%
- 逢沢 一郎 (LDP, Okayama 1st District) — 42.0%
Career Timeline
Elections
3
Career Wins
2
Total Votes
189,815
Best Vote Share
42.1%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2024 | Tokyo 21st District | CDP | Single-member | 90,724 | 42.1% | #1 | Won |
| 2021 | Tokyo Block (PR Block) | CDP | PR Block | 1 | 0.0% | #10 | Won |
| 2021 | Tokyo 21st District | CDP | Single-member | 99,090 | 40.1% | #2 | Lost |
Tokyo 21st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 小田原 潔 | LDP | 97,494 | 42.6% | 5 | 31,781 |
| 2024 | 大河原 雅子 | CDP | 90,724 | 42.1% | 4 | 21,303 |
| 2021 | 小田原 潔 | LDP | 112,433 | 45.5% | 3 | 13,343 |
Tokyo Snapshot (2024)
Districts
30
Candidates
144
Seats Filled
30
Active Parties
11
Party representation across Tokyo
LDP24 cand · 11 won
Ishin22 cand · 0 won
CDP21 cand · 15 won
JCP20 cand · 0 won
Independent19 cand · 3 won
Sanseito19 cand · 0 won
DPP11 cand · 0 won
みんな4 cand · 0 won
Reiwa2 cand · 0 won
Komeito1 cand · 1 won
Minor Parties1 cand · 0 won
Top performers across Tokyo (2024)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 吉田 晴美 | Tokyo 8th District | CDP | 116,426 | 51.1% | Won |
| 長妻 昭 | Tokyo 27th District | CDP | 112,388 | 54.6% | Won |
| 伊藤 俊輔 | Tokyo 23rd District | CDP | 111,851 | 59.0% | Won |
| 井上 信治 | Tokyo 25th District | LDP | 110,488 | 53.1% | Won |
| 松原 仁 | Tokyo 26th District | Independent | 108,174 | 45.6% | Won |
| 落合 貴之 | Tokyo 6th District | CDP | 107,222 | 47.4% | Won |
| 山花 郁夫 | Tokyo 22nd District | CDP | 99,790 | 40.2% | Won |
Where 大河原 雅子 ranks
Among CDP single-member candidates in 2024
Higher vote share than 58% (120 of 207)
Among ALL single-member candidates in 2024
Higher vote share than 78% (868 of 1113)
議員 cohort (2024)
Cohort Size
212
Cohort Wins
68
Cohort Avg Share
22.9%
Cohort Avg Age
55
大河原 雅子's 42.1% vote share is 19.24 percentage points above the 議員 cohort average for 2024.
Frequently Asked Questions
How many times has 大河原 雅子 run for the House of Representatives?expand_more
大河原 雅子 has appeared in 3 recorded elections, winning 2 of them. The most recent was 2024.
Who has won Tokyo 21st District in recent elections?expand_more
Recorded winners of Tokyo 21st District: 小田原 潔 (2026); 大河原 雅子 (2024); 小田原 潔 (2021).
How many Tokyo districts ran candidates in 2024?expand_more
Tokyo had 30 districts with 144 total candidates in 2024, of whom 30 won seats.
Did 大河原 雅子 win the 2024 election?expand_more
大河原 雅子 won the 2024 House of Representatives race in Tokyo 21st District, recording 90,724 votes (42.1%).
Which party did 大河原 雅子 represent?expand_more
大河原 雅子 ran as a CDP candidate. The party fielded 251 candidates in 2024.
Who won Tokyo 21st District in 2024?expand_more
大河原 雅子 (CDP) won Tokyo 21st District with 90,724 votes, a vote share of 42.1%.