Candidates
椎木 保 — Chiba 5th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Chiba 5th District (2021) — 32,241 votes (13.5%), rank #3 of 4.
- chevron_rightProfile: Male, age 55. Background: その他. Status entering: Former.
- chevron_rightCareer wins to date: 2
fact_check Quick Facts
Age
55 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
32,241
Vote Share
13.5%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
Ishin
維新
Party Candidates 2021
119
Party Seats Won
41
Prefectures
38
Avg Share
23.7%
Occupation & Background
Categoryその他
Detail千葉維新の会副代表、元高校教諭
Incumbency & Career Wins
- Status entering the 2021 election: Former
- Total recorded wins to date: 2
- Age at time of election: 55
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 | CDP | 69,887 | 29.3% |
| #3 | 椎木 保 this page | Ishin | 32,241 | 13.5% |
| #4 | 鴇田 敦 | DPP | 24,307 | 10.2% |
Same-Party Peers in 2021
- 串田 誠一 — Kanagawa 6th District, 13.5% (Lost)
- 小林 悟 — Hokkaido 1st District, 13.7% (Lost)
- 伊勢田 享子 — Saitama 7th District, 14.1% (Lost)
- 竹田 光明 — Tokyo 21st District, 14.4% (Lost)
- 所 順子 — Wakayama 2nd District, 14.4% (Lost)
Candidates with Similar Vote Share
- 串田 誠一 (Ishin, Kanagawa 6th District) — 13.5%
- 小松 久 (JCP, Osaka 14th District) — 13.5%
- 佐藤 泰樹 (DPP, Hyogo 3rd District) — 13.5%
- 小林 悟 (Ishin, Hokkaido 1st District) — 13.7%
- 大野 頼子 (Independent, Yamaguchi 4th District) — 13.7%
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 椎木 保 ranks
Among Ishin single-member candidates in 2021
Higher vote share than 21.3% (20 of 94)
Among ALL single-member candidates in 2021
Higher vote share than 22.3% (191 of 857)
その他 cohort (2021)
Cohort Size
86
Cohort Wins
33
Cohort Avg Share
23.5%
Cohort Avg Age
51
椎木 保's 13.5% vote share is 9.97 percentage points below the その他 cohort average for 2021.
Frequently Asked Questions
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 椎木 保 win the 2021 election?expand_more
椎木 保 did not win the 2021 House of Representatives race in Chiba 5th District, recording 32,241 votes (13.5%).
Which party did 椎木 保 represent?expand_more
椎木 保 ran as a Ishin candidate. The party fielded 119 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%.