Candidates
成井 まゆ子 — Gifu 1st District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Gifu 1st District (2026) — 26,146 votes (16.2%), rank #3 of 4.
- chevron_rightProfile: Female, age 42. Background: その他. Status entering: Newcomer.
fact_check Quick Facts
Age
42 yrs
Gender
female ♀ Female
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
26,146
Vote Share
16.2%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
Sanseito
参政
Party Candidates 2026
197
Party Seats Won
15
Prefectures
56
Avg Share
10.8%
Occupation & Background
Categoryその他
Detail主婦
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 42
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 野田 聖子 | LDP | 90,249 | 55.8% |
| #2 | 服部 学 | Centrist | 36,657 | 22.7% |
| #3 | 成井 まゆ子 this page | Sanseito | 26,146 | 16.2% |
| #4 | 波多野 純子 | JCP | 8,658 | 5.4% |
Same-Party Peers in 2026
- 山崎 珠江 — Yamaguchi 1st District, 16.5% (Lost)
- 齋藤 真衣 — Ibaraki 3rd District, 15.8% (Lost)
- 石橋 篤史 — Osaka 2nd District, 16.7% (Lost)
- 原田 祐一 — Fukuoka 4th District, 15.6% (Lost)
- 山田 肇 — Hiroshima 1st District, 17.0% (Lost)
Candidates with Similar Vote Share
- 天野 浩 (Ishin, Fukuoka 3rd District) — 16.2%
- 黒田 太郎 (DPP, Tokyo 21st District) — 16.2%
- 横田 朋大 (Ishin, Miyazaki 1st District) — 16.1%
- 浜川 百合子 (JCP, Kochi 2nd District) — 16.3%
- 宇都宮 優子 (Centrist, Osaka 3rd District) — 16.4%
Gifu 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 野田 聖子 | LDP | 90,249 | 55.8% | 4 | 53,592 |
| 2024 | 野田 聖子 | LDP | 100,226 | 67.5% | 2 | 51,901 |
| 2021 | 野田 聖子 | LDP | 103,805 | 62.5% | 4 | 55,176 |
Gifu Snapshot (2026)
Districts
5
Candidates
20
Seats Filled
5
Active Parties
8
Party representation across Gifu
LDP5 cand · 5 won
Sanseito4 cand · 0 won
Centrist3 cand · 0 won
DPP3 cand · 0 won
Independent2 cand · 0 won
JCP1 cand · 0 won
Reiwa1 cand · 0 won
Ishin1 cand · 0 won
Top performers across Gifu (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 武藤 容治 | Gifu 3rd District | LDP | 118,346 | 53.4% | Won |
| 加藤 大博 | Gifu 4th District | LDP | 103,054 | 50.7% | Won |
| 野田 聖子 | Gifu 1st District | LDP | 90,249 | 55.8% | Won |
| 棚橋 泰文 | Gifu 2nd District | LDP | 87,826 | 54.6% | Won |
| 古屋 圭司 | Gifu 5th District | LDP | 83,214 | 52.1% | Won |
| 今井 雅人 | Gifu 4th District | Centrist | 79,476 | 39.1% | Lost |
| 仙田 晃宏 | Gifu 3rd District | DPP | 51,021 | 23.0% | Lost |
Where 成井 まゆ子 ranks
Among Sanseito single-member candidates in 2026
Higher vote share than 93.4% (170 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 44.7% (500 of 1119)
その他 cohort (2026)
Cohort Size
224
Cohort Wins
17
Cohort Avg Share
15.0%
Cohort Avg Age
51
成井 まゆ子's 16.2% vote share is 1.22 percentage points above the その他 cohort average for 2026.
Frequently Asked Questions
Who has won Gifu 1st District in recent elections?expand_more
Recorded winners of Gifu 1st District: 野田 聖子 (2026); 野田 聖子 (2024); 野田 聖子 (2021).
How many Gifu districts ran candidates in 2026?expand_more
Gifu had 5 districts with 20 total candidates in 2026, of whom 5 won seats.
Did 成井 まゆ子 win the 2026 election?expand_more
成井 まゆ子 did not win the 2026 House of Representatives race in Gifu 1st District, recording 26,146 votes (16.2%).
Which party did 成井 まゆ子 represent?expand_more
成井 まゆ子 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Gifu 1st District in 2026?expand_more
野田 聖子 (LDP) won Gifu 1st District with 90,249 votes, a vote share of 55.8%.