Candidates
根本 幸典 — Aichi 15th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Aichi 15th District (2021) — 104,204 votes (52.4%), rank #1 of 3.
- chevron_rightProfile: Male, age 56. Background: 政務官. Status entering: Incumbent.
- chevron_rightEndorsed by: 公明
- chevron_rightCareer wins to date: 4
fact_check Quick Facts
Age
56 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
104,204
Vote Share
52.4%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
LDP
自民
Party Candidates 2021
351
Party Seats Won
261
Prefectures
58
Avg Share
51.1%
Occupation & Background
Category政務官
Detail元国土交通政務官、元愛知県豊橋市議会議員
Incumbency & Career Wins
- Status entering the 2021 election: Incumbent
- Total recorded wins to date: 4
- Age at time of election: 56
Endorsements
公明
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 根本 幸典 this page | LDP | 104,204 | 52.4% |
| #2 | 関 健一郎 | CDP | 80,776 | 40.6% |
| #3 | 菅谷 竜 | Reiwa | 13,832 | 7.0% |
Same-Party Peers in 2021
- 江渡 聡徳 — Aomori 1st District, 52.4% (Won)
- 上川 陽子 — Shizuoka 1st District, 52.4% (Won)
- 中西 健治 — Kanagawa 3rd District, 52.5% (Won)
- 国光 文乃 — Ibaraki 6th District, 52.5% (Won)
- 穂坂 泰 — Saitama 4th District, 52.3% (Won)
Candidates with Similar Vote Share
- 江渡 聡徳 (LDP, Aomori 1st District) — 52.4%
- 上川 陽子 (LDP, Shizuoka 1st District) — 52.4%
- 中西 健治 (LDP, Kanagawa 3rd District) — 52.5%
- 緑川 貴士 (CDP, Akita 2nd District) — 52.5%
- 国光 文乃 (LDP, Ibaraki 6th District) — 52.5%
Career Timeline
Elections
3
Career Wins
3
Total Votes
263,244
Best Vote Share
52.4%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Aichi 15th District | LDP | Single-member | 88,028 | 43.6% | #1 | Won |
| 2024 | Aichi 15th District | LDP | Single-member | 71,012 | 38.7% | #1 | Won |
| 2021 | Aichi 15th District | LDP | Single-member | 104,204 | 52.4% | #1 | Won |
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 (2021)
Districts
15
Candidates
41
Seats Filled
15
Active Parties
8
Party representation across Aichi
LDP15 cand · 11 won
CDP13 cand · 3 won
JCP5 cand · 0 won
Ishin3 cand · 0 won
Reiwa2 cand · 0 won
NHK Party1 cand · 0 won
DPP1 cand · 1 won
Independent1 cand · 0 won
Top performers across Aichi (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 八木 哲也 | Aichi 11th District | LDP | 158,018 | 69.1% | Won |
| 鈴木 淳司 | Aichi 7th District | LDP | 144,725 | 54.7% | Won |
| 重徳 和彦 | Aichi 12th District | CDP | 142,536 | 52.7% | Won |
| 丹羽 秀樹 | Aichi 6th District | LDP | 136,168 | 58.3% | Won |
| 大西 健介 | Aichi 13th District | CDP | 134,033 | 52.7% | Won |
| 古川 元久 | Aichi 2nd District | DPP | 131,397 | 62.3% | Won |
| 青山 周平 | Aichi 12th District | LDP | 128,083 | 47.3% | Lost |
Where 根本 幸典 ranks
Among LDP single-member candidates in 2021
Higher vote share than 58.1% (162 of 279)
Among ALL single-member candidates in 2021
Higher vote share than 82.1% (704 of 857)
政務官 cohort (2021)
Cohort Size
107
Cohort Wins
67
Cohort Avg Share
45.6%
Cohort Avg Age
52
根本 幸典's 52.4% vote share is 6.78 percentage points above the 政務官 cohort average for 2021.
Frequently Asked Questions
How many times has 根本 幸典 run for the House of Representatives?expand_more
根本 幸典 has appeared in 3 recorded elections, winning 3 of them. The most recent was 2021.
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 2021?expand_more
Aichi had 15 districts with 41 total candidates in 2021, of whom 15 won seats.
Did 根本 幸典 win the 2021 election?expand_more
根本 幸典 won the 2021 House of Representatives race in Aichi 15th District, recording 104,204 votes (52.4%).
Which party did 根本 幸典 represent?expand_more
根本 幸典 ran as a LDP candidate. The party fielded 351 candidates in 2021.
Who won Aichi 15th District in 2021?expand_more
根本 幸典 (LDP) won Aichi 15th District with 104,204 votes, a vote share of 52.4%.