Candidates
子安 正美 — Tokyo 18th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Tokyo 18th District (2021) — 21,151 votes (8.2%), rank #3 of 3.
- chevron_rightProfile: Female, age 71. Background: 経営者. Status entering: Newcomer.
fact_check Quick Facts
Age
71 yrs
Gender
female ♀ Female
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
21,151
Vote Share
8.2%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
Independent
無
Party Candidates 2021
78
Party Seats Won
10
Prefectures
32
Avg Share
14.0%
Occupation & Background
Category経営者
Detailシステム開発会社社長、元住友海上火災保険社員
Incumbency & Career Wins
- Status entering the 2021 election: Newcomer
- Age at time of election: 71
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 菅 直人 | CDP | 122,091 | 47.1% |
| #2 | 長島 昭久 | LDP | 115,881 | 44.7% |
| #3 | 子安 正美 this page | Independent | 21,151 | 8.2% |
Same-Party Peers in 2021
- 猪野 隆 — Tokyo 15th District, 7.3% (Lost)
- 藤村 晃子 — Kanagawa 3rd District, 7.0% (Lost)
- 山本 保彦 — Ishikawa 2nd District, 6.1% (Lost)
- 中条 栄太郎 — Osaka 3rd District, 10.5% (Lost)
- 籠池 諄子 — Osaka 5th District, 5.7% (Lost)
Candidates with Similar Vote Share
- 高谷 清彦 (Ishin, Kanagawa 4th District) — 8.2%
- 向瀬 慎一 (JCP, Shimane 2nd District) — 8.1%
- 赤岸 雅治 (JCP, Saitama 13th District) — 8.1%
- 西井 直人 (JCP, Ehime 4th District) — 8.1%
- 山下 魁 (JCP, Oita 1st District) — 8.0%
Tokyo 18th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 福田 かおる | LDP | 117,383 | 47.7% | 5 | 47,661 |
| 2024 | 福田 かおる | LDP | 99,002 | 42.3% | 4 | 2,182 |
| 2021 | 菅 直人 | CDP | 122,091 | 47.1% | 3 | 6,210 |
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 子安 正美 ranks
Among Independent single-member candidates in 2021
Higher vote share than 57.7% (45 of 78)
Among ALL single-member candidates in 2021
Higher vote share than 14.1% (121 of 857)
経営者 cohort (2021)
Cohort Size
42
Cohort Wins
4
Cohort Avg Share
12.9%
Cohort Avg Age
52
子安 正美's 8.2% vote share is 4.68 percentage points below the 経営者 cohort average for 2021.
Frequently Asked Questions
Who has won Tokyo 18th District in recent elections?expand_more
Recorded winners of Tokyo 18th District: 福田 かおる (2026); 福田 かおる (2024); 菅 直人 (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 子安 正美 win the 2021 election?expand_more
子安 正美 did not win the 2021 House of Representatives race in Tokyo 18th District, recording 21,151 votes (8.2%).
Which party did 子安 正美 represent?expand_more
子安 正美 ran as a Independent candidate. The party fielded 78 candidates in 2021.
Who won Tokyo 18th District in 2021?expand_more
菅 直人 (CDP) won Tokyo 18th District with 122,091 votes, a vote share of 47.1%.