Candidates
矢崎 堅太郎 — Chiba 5th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Chiba 5th District (2021) — 69,887 votes (29.3%), rank #2 of 4.
- chevron_rightProfile: Male, age 54. Background: 議員. Status entering: Newcomer.
fact_check Quick Facts
Age
54 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
69,887
Vote Share
29.3%
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元千葉県議会議員、元みずほ銀行行員
Incumbency & Career Wins
- Status entering the 2021 election: Newcomer
- Age at time of election: 54
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 薗浦 健太郎 | LDP | 111,985 | 47.0% |
| #2 | 矢崎 堅太郎 this page | CDP | 69,887 | 29.3% |
| #3 | 椎木 保 | Ishin | 32,241 | 13.5% |
| #4 | 鴇田 敦 | DPP | 24,307 | 10.2% |
Same-Party Peers in 2021
- 川本 慧佑 — Gifu 1st District, 29.3% (Lost)
- 山本 誉 — Shimane 2nd District, 29.4% (Lost)
- 樋高 剛 — Chiba 12th District, 29.5% (Lost)
- 水野 素子 — Tokyo 16th District, 29.8% (Lost)
- 渡辺 典喜 — Tochigi 1st District, 29.9% (Lost)
Candidates with Similar Vote Share
- 川本 慧佑 (CDP, Gifu 1st District) — 29.3%
- 繁本 護 (LDP, Kyoto 2nd District) — 29.2%
- 山本 誉 (CDP, Shimane 2nd District) — 29.4%
- 堀場 幸子 (Ishin, Kyoto 1st District) — 29.1%
- 遠藤 良太 (Ishin, Hyogo 5th District) — 29.5%
Career Timeline
Elections
3
Career Wins
1
Total Votes
183,908
Best Vote Share
30.6%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Chiba 5th District | Centrist | Single-member | 47,990 | 20.6% | #3 | Lost |
| 2024 | Chiba 5th District | CDP | Single-member | 66,031 | 30.6% | #1 | Won |
| 2021 | Chiba 5th District | CDP | Single-member | 69,887 | 29.3% | #2 | Lost |
Chiba 5th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 英利 アルフィヤ | LDP | 85,073 | 36.5% | 5 | 31,541 |
| 2024 | 矢崎 堅太郎 | CDP | 66,031 | 30.6% | 6 | 6,395 |
| 2021 | 薗浦 健太郎 | LDP | 111,985 | 47.0% | 4 | 42,098 |
Chiba Snapshot (2021)
Districts
13
Candidates
39
Seats Filled
13
Active Parties
9
Party representation across Chiba
LDP13 cand · 9 won
CDP11 cand · 4 won
JCP4 cand · 0 won
Ishin4 cand · 0 won
Independent3 cand · 0 won
DPP1 cand · 0 won
NHK Party1 cand · 0 won
Minor Parties1 cand · 0 won
Reiwa1 cand · 0 won
Top performers across Chiba (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 野田 佳彦 | Chiba 4th District | CDP | 154,412 | 64.5% | Won |
| 小林 鷹之 | Chiba 2nd District | LDP | 153,017 | 62.0% | Won |
| 本庄 知史 | Chiba 8th District | CDP | 135,125 | 59.7% | Won |
| 田嶋 要 | Chiba 1st District | CDP | 128,556 | 56.3% | Won |
| 齋藤 健 | Chiba 7th District | LDP | 127,548 | 55.0% | Won |
| 浜田 靖一 | Chiba 12th District | LDP | 123,210 | 64.0% | Won |
| 薗浦 健太郎 | Chiba 5th District | LDP | 111,985 | 47.0% | Won |
Where 矢崎 堅太郎 ranks
Among CDP single-member candidates in 2021
Higher vote share than 16.8% (36 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 39.7% (340 of 857)
議員 cohort (2021)
Cohort Size
142
Cohort Wins
64
Cohort Avg Share
30.4%
Cohort Avg Age
53
矢崎 堅太郎's 29.3% vote share is 1.11 percentage points below the 議員 cohort average for 2021.
Frequently Asked Questions
How many times has 矢崎 堅太郎 run for the House of Representatives?expand_more
矢崎 堅太郎 has appeared in 3 recorded elections, winning 1 of them. The most recent was 2021.
Who has won Chiba 5th District in recent elections?expand_more
Recorded winners of Chiba 5th District: 英利 アルフィヤ (2026); 矢崎 堅太郎 (2024); 薗浦 健太郎 (2021).
How many Chiba districts ran candidates in 2021?expand_more
Chiba had 13 districts with 39 total candidates in 2021, of whom 13 won seats.
Did 矢崎 堅太郎 win the 2021 election?expand_more
矢崎 堅太郎 did not win the 2021 House of Representatives race in Chiba 5th District, recording 69,887 votes (29.3%).
Which party did 矢崎 堅太郎 represent?expand_more
矢崎 堅太郎 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Chiba 5th District in 2021?expand_more
薗浦 健太郎 (LDP) won Chiba 5th District with 111,985 votes, a vote share of 47.0%.