Candidates
武正 公一 — Saitama 1st District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Saitama 1st District (2021) — 96,690 votes (38.1%), rank #2 of 5.
- chevron_rightProfile: Male, age 60. Background: 大臣. Status entering: Former.
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
60 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
96,690
Vote Share
38.1%
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大臣
Detail元財務副大臣、元衆議院憲法審査会長代理
Incumbency & Career Wins
- Status entering the 2021 election: Former
- Total recorded wins to date: 6
- Age at time of election: 60
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 村井 英樹 | LDP | 120,856 | 47.6% |
| #2 | 武正 公一 this page | CDP | 96,690 | 38.1% |
| #3 | 吉村 豪介 | Ishin | 23,670 | 9.3% |
| #4 | 佐藤 真実 | Independent | 11,540 | 4.5% |
| #5 | 中島 徳二 | Independent | 1,234 | 0.5% |
Same-Party Peers in 2021
- 岡島 一正 — Chiba 3rd District, 38.1% (Lost)
- 神山 洋介 — Kanagawa 17th District, 37.9% (Lost)
- 青木 剛志 — Fukuoka 7th District, 37.7% (Lost)
- 升田 世喜男 — Aomori 1st District, 37.4% (Lost)
- 岡本 英子 — Kanagawa 2nd District, 38.9% (Lost)
Candidates with Similar Vote Share
- 高橋 舞子 (LDP, Oita 1st District) — 38.1%
- 岡島 一正 (CDP, Chiba 3rd District) — 38.1%
- 初村 滝一郎 (LDP, Nagasaki 1st District) — 38.0%
- 加藤 健一 (DPP, Yamagata 2nd District) — 38.2%
- 高橋 祐介 (LDP, Hokkaido 2nd District) — 37.9%
Career Timeline
Elections
4
Career Wins
1
Total Votes
246,805
Best Vote Share
39.9%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Saitama 1st District | Centrist | Single-member | 67,980 | 31.3% | #2 | Lost |
| 2024 | Saitama 1st District | CDP | Single-member | 82,134 | 39.9% | #2 | Lost |
| 2024 | Northern Kanto Block (PR Block) | CDP | PR Block | 1 | 0.0% | #9 | Won |
| 2021 | Saitama 1st District | CDP | Single-member | 96,690 | 38.1% | #2 | Lost |
Saitama 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 村井 英樹 | LDP | 121,002 | 55.7% | 4 | 53,022 |
| 2024 | 村井 英樹 | LDP | 85,347 | 41.5% | 5 | 3,213 |
| 2021 | 村井 英樹 | LDP | 120,856 | 47.6% | 5 | 24,166 |
Saitama Snapshot (2021)
Districts
15
Candidates
44
Seats Filled
15
Active Parties
7
Party representation across Saitama
LDP15 cand · 12 won
CDP11 cand · 3 won
JCP6 cand · 0 won
Independent5 cand · 0 won
Ishin4 cand · 0 won
DPP2 cand · 0 won
NHK Party1 cand · 0 won
Top performers across Saitama (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 大島 敦 | Saitama 6th District | CDP | 134,281 | 56.0% | Won |
| 黄川田 仁志 | Saitama 3rd District | LDP | 125,500 | 53.6% | Won |
| 新藤 義孝 | Saitama 2nd District | LDP | 121,543 | 52.8% | Won |
| 村井 英樹 | Saitama 1st District | LDP | 120,856 | 47.6% | Won |
| 大塚 拓 | Saitama 9th District | LDP | 117,002 | 53.4% | Won |
| 枝野 幸男 | Saitama 5th District | CDP | 113,615 | 51.4% | Won |
| 小泉 龍司 | Saitama 11th District | LDP | 111,810 | 61.9% | Won |
Where 武正 公一 ranks
Among CDP single-member candidates in 2021
Higher vote share than 42.5% (91 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 53% (454 of 857)
大臣 cohort (2021)
Cohort Size
216
Cohort Wins
153
Cohort Avg Share
50.1%
Cohort Avg Age
61
武正 公一's 38.1% vote share is 11.97 percentage points below the 大臣 cohort average for 2021.
Frequently Asked Questions
How many times has 武正 公一 run for the House of Representatives?expand_more
武正 公一 has appeared in 4 recorded elections, winning 1 of them. The most recent was 2021.
Who has won Saitama 1st District in recent elections?expand_more
Recorded winners of Saitama 1st District: 村井 英樹 (2026); 村井 英樹 (2024); 村井 英樹 (2021).
How many Saitama districts ran candidates in 2021?expand_more
Saitama had 15 districts with 44 total candidates in 2021, of whom 15 won seats.
Did 武正 公一 win the 2021 election?expand_more
武正 公一 did not win the 2021 House of Representatives race in Saitama 1st District, recording 96,690 votes (38.1%).
Which party did 武正 公一 represent?expand_more
武正 公一 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Saitama 1st District in 2021?expand_more
村井 英樹 (LDP) won Saitama 1st District with 120,856 votes, a vote share of 47.6%.