Candidates
安井 美沙子 — Aichi 10th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Aichi 10th District (2021) — 20,989 votes (9.1%), rank #4 of 5.
- chevron_rightProfile: Female, age 56. Background: 記者. Status entering: Newcomer.
fact_check Quick Facts
Age
56 yrs
Gender
female ♀ Female
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
20,989
Vote Share
9.1%
Rank
#4
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
Reiwa
れ新
Party Candidates 2021
15
Party Seats Won
3
Prefectures
12
Avg Share
11.1%
Occupation & Background
Category記者
Detail元参議院議員、元マッキンゼービジネスアナリスト
Incumbency & Career Wins
- Status entering the 2021 election: Newcomer
- Age at time of election: 56
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 江崎 鉄磨 | LDP | 81,107 | 35.0% |
| #2 | 杉本 和巳 | Ishin | 62,601 | 27.0% |
| #3 | 藤原 規眞 | CDP | 53,375 | 23.0% |
| #4 | 安井 美沙子 this page | Reiwa | 20,989 | 9.1% |
| #5 | 板倉 正文 | JCP | 13,605 | 5.9% |
Same-Party Peers in 2021
- 高井 崇志 — Shiga 3rd District, 7.2% (Lost)
- 菅谷 竜 — Aichi 15th District, 7.0% (Lost)
- 櫛渕 万里 — Tokyo 22nd District, 11.4% (Lost)
- 北村 造 — Tokyo 2nd District, 5.3% (Lost)
- 中 辰哉 — Kyoto 2nd District, 4.9% (Lost)
Candidates with Similar Vote Share
- 青山 雅幸 (Ishin, Shizuoka 1st District) — 9.1%
- 水梨 伸晃 (Ishin, Ibaraki 7th District) — 9.2%
- 町川 順子 (Ishin, Kagawa 1st District) — 9.0%
- 片岡 朗 (JCP, Ehime 2nd District) — 9.0%
- 石川 明美 (JCP, Hokkaido 7th District) — 9.3%
Aichi 10th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 若山 慎司 | LDP | 80,646 | 42.1% | 5 | 37,150 |
| 2024 | 藤原 規眞 | CDP | 59,691 | 34.7% | 3 | 162 |
| 2021 | 江崎 鉄磨 | LDP | 81,107 | 35.0% | 5 | 18,506 |
Aichi Snapshot (2021)
Districts
15
Candidates
41
Seats Filled
15
Active Parties
8
Party representation across Aichi
LDP15 cand · 11 won
CDP13 cand · 3 won
JCP5 cand · 0 won
Ishin3 cand · 0 won
Reiwa2 cand · 0 won
NHK Party1 cand · 0 won
DPP1 cand · 1 won
Independent1 cand · 0 won
Top performers across Aichi (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 八木 哲也 | Aichi 11th District | LDP | 158,018 | 69.1% | Won |
| 鈴木 淳司 | Aichi 7th District | LDP | 144,725 | 54.7% | Won |
| 重徳 和彦 | Aichi 12th District | CDP | 142,536 | 52.7% | Won |
| 丹羽 秀樹 | Aichi 6th District | LDP | 136,168 | 58.3% | Won |
| 大西 健介 | Aichi 13th District | CDP | 134,033 | 52.7% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 131,397 | 62.3% | Won |
| 青山 周平 | Aichi 12th District | LDP | 128,083 | 47.3% | Lost |
Where 安井 美沙子 ranks
Among Reiwa single-member candidates in 2021
Higher vote share than 41.7% (5 of 12)
Among ALL single-member candidates in 2021
Higher vote share than 15.3% (131 of 857)
記者 cohort (2021)
Cohort Size
16
Cohort Wins
5
Cohort Avg Share
33.1%
Cohort Avg Age
48
安井 美沙子's 9.1% vote share is 23.95 percentage points below the 記者 cohort average for 2021.
Frequently Asked Questions
Who has won Aichi 10th District in recent elections?expand_more
Recorded winners of Aichi 10th District: 若山 慎司 (2026); 藤原 規眞 (2024); 江崎 鉄磨 (2021).
How many Aichi districts ran candidates in 2021?expand_more
Aichi had 15 districts with 41 total candidates in 2021, of whom 15 won seats.
Did 安井 美沙子 win the 2021 election?expand_more
安井 美沙子 did not win the 2021 House of Representatives race in Aichi 10th District, recording 20,989 votes (9.1%).
Which party did 安井 美沙子 represent?expand_more
安井 美沙子 ran as a Reiwa candidate. The party fielded 15 candidates in 2021.
Who won Aichi 10th District in 2021?expand_more
江崎 鉄磨 (LDP) won Aichi 10th District with 81,107 votes, a vote share of 35.0%.