Candidates
内山 航 — Niigata 1st District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Niigata 1st District (2026) — 92,578 votes (46.8%), rank #1 of 5.
- chevron_rightProfile: Male, age 44. Background: 議員. Status entering: Newcomer.
fact_check Quick Facts
Age
44 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
92,578
Vote Share
46.8%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
LDP
自民
Party Candidates 2026
353
Party Seats Won
316
Prefectures
58
Avg Share
50.4%
Occupation & Background
Category議員
Detail元新潟市議会議員
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Total recorded wins to date: 1
- Age at time of election: 44
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 内山 航 this page | 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 | Ishin | 10,092 | 5.1% |
| #5 | 中村 岳夫 | JCP | 6,574 | 3.3% |
Same-Party Peers in 2026
- 門山 宏哲 — Chiba 1st District, 46.8% (Won)
- 藤田 ひかる — Nagano 2nd District, 46.7% (Won)
- 関 芳弘 — Hyogo 3rd District, 46.9% (Won)
- 土田 慎 — Tokyo 13th District, 46.6% (Won)
- 青山 周平 — Aichi 12th District, 47.0% (Won)
Candidates with Similar Vote Share
- 門山 宏哲 (LDP, Chiba 1st District) — 46.8%
- 藤田 ひかる (LDP, Nagano 2nd District) — 46.7%
- 関 芳弘 (LDP, Hyogo 3rd District) — 46.9%
- 土田 慎 (LDP, Tokyo 13th District) — 46.6%
- 青山 周平 (LDP, Aichi 12th District) — 47.0%
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 |
| 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 |
| 黒岩 宇洋 | Niigata 3rd District | Centrist | 76,452 | 36.0% | Lost |
Where 内山 航 ranks
Among LDP single-member candidates in 2026
Higher vote share than 37.1% (106 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 81.9% (917 of 1119)
議員 cohort (2026)
Cohort Size
216
Cohort Wins
35
Cohort Avg Share
21.9%
Cohort Avg Age
52
内山 航's 46.8% vote share is 24.89 percentage points above the 議員 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 内山 航 win the 2026 election?expand_more
内山 航 won the 2026 House of Representatives race in Niigata 1st District, recording 92,578 votes (46.8%).
Which party did 内山 航 represent?expand_more
内山 航 ran as a LDP candidate. The party fielded 353 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%.