Candidates
関 健一郎 — Aichi 15th District 2024
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Aichi 15th District (2024) — 44,945 votes (24.5%), rank #2 of 5.
- chevron_rightProfile: Male, age 46. Background: 記者. Status entering: Former.
fact_check Quick Facts
Age
46 yrs
Gender
male ♂ Male
Election Date
Th10 27, 2024
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
44,945
Vote Share
24.5%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2024
Political Context
Party Affiliation
Ishin
維新
Party Candidates 2024
178
Party Seats Won
38
Prefectures
45
Avg Share
19.4%
Occupation & Background
Category記者
Detail元ＮＨＫ記者、東愛知新聞客員編集委員
Incumbency & Career Wins
- Status entering the 2024 election: Former
- Total recorded wins to date: 1
- Age at time of election: 46
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 根本 幸典 | LDP | 71,012 | 38.7% |
| #2 | 関 健一郎 this page | Ishin | 44,945 | 24.5% |
| #3 | 小山 千帆 | CDP | 42,837 | 23.3% |
| #4 | 辻 恵 | Reiwa | 17,529 | 9.6% |
| #5 | 高木 繁 | JCP | 7,220 | 3.9% |
Same-Party Peers in 2024
- 手塚 大輔 — Nagano 2nd District, 25.0% (Lost)
- 市村 浩一郎 — Hyogo 6th District, 25.1% (Lost)
- 阿部 司 — Tokyo 12th District, 25.2% (Lost)
- 中島 由美子 — Gunma 5th District, 23.6% (Lost)
- 高橋 英明 — Saitama 2nd District, 23.6% (Lost)
Candidates with Similar Vote Share
- 深作 ヘスス (DPP, Kanagawa 19th District) — 24.6%
- 隠樹 圭子 (CDP, Hyogo 10th District) — 24.4%
- 水野 良彦 (LDP, Aichi 3rd District) — 24.6%
- 岡田 悟 (CDP, Hyogo 7th District) — 24.7%
- 中根 一幸 (Independent, Saitama 6th District) — 24.7%
Career Timeline
Elections
4
Career Wins
1
Total Votes
161,457
Best Vote Share
40.6%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Tokai Block (PR Block) | Ishin | PR Block | 0 | 0.0% | #15 | Won |
| 2026 | Aichi 15th District | Ishin | Single-member | 35,736 | 17.7% | #3 | Lost |
| 2024 | Aichi 15th District | Ishin | Single-member | 44,945 | 24.5% | #2 | Lost |
| 2021 | Aichi 15th District | CDP | Single-member | 80,776 | 40.6% | #2 | Lost |
Aichi 15th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 根本 幸典 | LDP | 88,028 | 43.6% | 6 | 51,414 |
| 2024 | 根本 幸典 | LDP | 71,012 | 38.7% | 5 | 26,067 |
| 2021 | 根本 幸典 | LDP | 104,204 | 52.4% | 3 | 23,428 |
Aichi Snapshot (2024)
Districts
16
Candidates
61
Seats Filled
16
Active Parties
11
Party representation across Aichi
LDP15 cand · 3 won
JCP13 cand · 0 won
CDP12 cand · 8 won
Ishin8 cand · 0 won
保守4 cand · 1 won
DPP4 cand · 4 won
Reiwa1 cand · 0 won
Komeito1 cand · 0 won
Sanseito1 cand · 0 won
Independent1 cand · 0 won
SDP1 cand · 0 won
Top performers across Aichi (2024)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 大西 健介 | Aichi 13th District | CDP | 137,944 | 56.3% | Won |
| 丹野 みどり | Aichi 11th District | DPP | 134,528 | 56.9% | Won |
| 重徳 和彦 | Aichi 12th District | CDP | 126,940 | 50.5% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 121,739 | 58.5% | Won |
| 伴野 豊 | Aichi 8th District | CDP | 115,282 | 49.7% | Won |
| 日野 紗里亜 | Aichi 7th District | DPP | 111,406 | 55.9% | Won |
| 近藤 昭一 | Aichi 3rd District | CDP | 103,624 | 47.0% | Won |
Where 関 健一郎 ranks
Among Ishin single-member candidates in 2024
Higher vote share than 75.5% (123 of 163)
Among ALL single-member candidates in 2024
Higher vote share than 50.5% (562 of 1113)
記者 cohort (2024)
Cohort Size
23
Cohort Wins
7
Cohort Avg Share
25.6%
Cohort Avg Age
52
関 健一郎's 24.5% vote share is 1.07 percentage points below the 記者 cohort average for 2024.
Frequently Asked Questions
How many times has 関 健一郎 run for the House of Representatives?expand_more
関 健一郎 has appeared in 4 recorded elections, winning 1 of them. The most recent was 2024.
Who has won Aichi 15th District in recent elections?expand_more
Recorded winners of Aichi 15th District: 根本 幸典 (2026); 根本 幸典 (2024); 根本 幸典 (2021).
How many Aichi districts ran candidates in 2024?expand_more
Aichi had 16 districts with 61 total candidates in 2024, of whom 16 won seats.
Did 関 健一郎 win the 2024 election?expand_more
関 健一郎 did not win the 2024 House of Representatives race in Aichi 15th District, recording 44,945 votes (24.5%).
Which party did 関 健一郎 represent?expand_more
関 健一郎 ran as a Ishin candidate. The party fielded 178 candidates in 2024.
Who won Aichi 15th District in 2024?expand_more
根本 幸典 (LDP) won Aichi 15th District with 71,012 votes, a vote share of 38.7%.