Candidates
伊藤 和成 — Niigata 1st District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Niigata 1st District (2026) — 10,092 votes (5.1%), rank #4 of 5.
- chevron_rightProfile: Male, age 47. Background: 会社員. Status entering: Newcomer.
fact_check Quick Facts
Age
47 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
10,092
Vote Share
5.1%
Rank
#4
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
Ishin
維新
Party Candidates 2026
103
Party Seats Won
36
Prefectures
36
Avg Share
21.4%
Occupation & Background
Category会社員
Detailメディア関連会社社員
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 47
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 内山 航 | LDP | 92,578 | 46.8% |
| #2 | 西村 智奈美 | Centrist | 73,167 | 37.0% |
| #3 | 小池 幸夫 | Sanseito | 15,492 | 7.8% |
| #4 | 伊藤 和成 this page | Ishin | 10,092 | 5.1% |
| #5 | 中村 岳夫 | JCP | 6,574 | 3.3% |
Same-Party Peers in 2026
- 津田 賢伯 — Saitama 6th District, 5.8% (Lost)
- 早坂 敦 — Miyagi 2nd District, 4.2% (Lost)
- 金井 典子 — Niigata 2nd District, 4.0% (Lost)
- 高橋 浩司 — Miyagi 1st District, 6.2% (Lost)
- 宮崎 太朗 — Tokyo 25th District, 7.0% (Lost)
Candidates with Similar Vote Share
- 山田 博敏 (JCP, Fukuoka 9th District) — 5.1%
- 長谷川 羽衣子 (Reiwa, Hyogo 8th District) — 5.1%
- 沼上 常生 (JCP, Kanagawa 12th District) — 5.1%
- 渡部 公美子 (JCP, Chiba 3rd District) — 5.2%
- 森 英士 (JCP, Hokkaido 1st District) — 5.0%
Niigata 1st District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 内山 航 | LDP | 92,578 | 46.8% | 5 | 19,411 |
| 2024 | 西村 智奈美 | CDP | 99,487 | 52.7% | 4 | 38,462 |
| 2021 | 西村 智奈美 | CDP | 127,365 | 52.6% | 3 | 30,774 |
Niigata Snapshot (2026)
Districts
5
Candidates
19
Seats Filled
5
Active Parties
6
Party representation across Niigata
LDP5 cand · 5 won
Centrist5 cand · 0 won
Sanseito5 cand · 0 won
Ishin2 cand · 0 won
JCP1 cand · 0 won
DPP1 cand · 0 won
Top performers across Niigata (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 斎藤 洋明 | Niigata 3rd District | LDP | 115,991 | 54.6% | Won |
| 国定 勇人 | Niigata 2nd District | LDP | 111,803 | 49.0% | Won |
| 鷲尾 英一郎 | Niigata 4th District | LDP | 107,128 | 53.6% | Won |
| 高鳥 修一 | Niigata 5th District | LDP | 104,206 | 52.1% | Won |
| 内山 航 | Niigata 1st District | LDP | 92,578 | 46.8% | Won |
| 菊田 真紀子 | Niigata 2nd District | Centrist | 85,602 | 37.5% | Lost |
| 梅谷 守 | Niigata 5th District | Centrist | 79,294 | 39.6% | Lost |
Where 伊藤 和成 ranks
Among Ishin single-member candidates in 2026
Higher vote share than 2.3% (2 of 87)
Among ALL single-member candidates in 2026
Higher vote share than 8.6% (96 of 1119)
会社員 cohort (2026)
Cohort Size
74
Cohort Wins
3
Cohort Avg Share
14.0%
Cohort Avg Age
43
伊藤 和成's 5.1% vote share is 8.92 percentage points below the 会社員 cohort average for 2026.
Frequently Asked Questions
Who has won Niigata 1st District in recent elections?expand_more
Recorded winners of Niigata 1st District: 内山 航 (2026); 西村 智奈美 (2024); 西村 智奈美 (2021).
How many Niigata districts ran candidates in 2026?expand_more
Niigata had 5 districts with 19 total candidates in 2026, of whom 5 won seats.
Did 伊藤 和成 win the 2026 election?expand_more
伊藤 和成 did not win the 2026 House of Representatives race in Niigata 1st District, recording 10,092 votes (5.1%).
Which party did 伊藤 和成 represent?expand_more
伊藤 和成 ran as a Ishin candidate. The party fielded 103 candidates in 2026.
Who won Niigata 1st District in 2026?expand_more
内山 航 (LDP) won Niigata 1st District with 92,578 votes, a vote share of 46.8%.