Candidates
斎藤 洋明 — Niigata 3rd District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Niigata 3rd District (2026) — 115,991 votes (54.6%), rank #1 of 3.
- chevron_rightProfile: Male, age 49. Background: 大臣. Status entering: Incumbent.
- chevron_rightEndorsed by: 維新
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
49 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
115,991
Vote Share
54.6%
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大臣
Detail元財務副大臣
Incumbency & Career Wins
- Status entering the 2026 election: Incumbent
- Total recorded wins to date: 6
- Age at time of election: 49
Endorsements
維新
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 斎藤 洋明 this page | LDP | 115,991 | 54.6% |
| #2 | 黒岩 宇洋 | Centrist | 76,452 | 36.0% |
| #3 | 佐久間 慶子 | Sanseito | 19,878 | 9.4% |
Same-Party Peers in 2026
- 神田 潤一 — Aomori 2nd District, 54.6% (Won)
- 棚橋 泰文 — Gifu 2nd District, 54.6% (Won)
- 勝俣 孝明 — Shizuoka 6th District, 54.6% (Won)
- 西村 明宏 — Miyagi 3rd District, 54.7% (Won)
- 福原 淳嗣 — Akita 2nd District, 55.0% (Won)
Candidates with Similar Vote Share
- 神田 潤一 (LDP, Aomori 2nd District) — 54.6%
- 棚橋 泰文 (LDP, Gifu 2nd District) — 54.6%
- 勝俣 孝明 (LDP, Shizuoka 6th District) — 54.6%
- 西村 明宏 (LDP, Miyagi 3rd District) — 54.7%
- 福原 淳嗣 (LDP, Akita 2nd District) — 55.0%
Career Timeline
Elections
4
Career Wins
3
Total Votes
313,540
Best Vote Share
54.6%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Niigata 3rd District | LDP | Single-member | 115,991 | 54.6% | #1 | Won |
| 2024 | Niigata 3rd District | LDP | Single-member | 94,984 | 44.5% | #2 | Lost |
| 2024 | Hokuriku-Shinetsu Block (PR Block) | LDP | PR Block | 1 | 0.0% | #2 | Won |
| 2021 | Niigata 3rd District | LDP | Single-member | 102,564 | 53.6% | #1 | Won |
Niigata 3rd District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 斎藤 洋明 | LDP | 115,991 | 54.6% | 3 | 39,539 |
| 2024 | 黒岩 宇洋 | CDP | 105,275 | 49.3% | 3 | 10,291 |
| 2021 | 斎藤 洋明 | LDP | 102,564 | 53.6% | 2 | 13,820 |
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 |
|---|---|---|---|---|---|
| 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 |
| 黒岩 宇洋 | Niigata 3rd District | Centrist | 76,452 | 36.0% | Lost |
Where 斎藤 洋明 ranks
Among LDP single-member candidates in 2026
Higher vote share than 67.5% (193 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 91.2% (1020 of 1119)
大臣 cohort (2026)
Cohort Size
161
Cohort Wins
131
Cohort Avg Share
50.2%
Cohort Avg Age
60
斎藤 洋明's 54.6% vote share is 4.41 percentage points above the 大臣 cohort average for 2026.
Frequently Asked Questions
How many times has 斎藤 洋明 run for the House of Representatives?expand_more
斎藤 洋明 has appeared in 4 recorded elections, winning 3 of them. The most recent was 2026.
Who has won Niigata 3rd District in recent elections?expand_more
Recorded winners of Niigata 3rd District: 斎藤 洋明 (2026); 黒岩 宇洋 (2024); 斎藤 洋明 (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 斎藤 洋明 win the 2026 election?expand_more
斎藤 洋明 won the 2026 House of Representatives race in Niigata 3rd District, recording 115,991 votes (54.6%).
Which party did 斎藤 洋明 represent?expand_more
斎藤 洋明 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Niigata 3rd District in 2026?expand_more
斎藤 洋明 (LDP) won Niigata 3rd District with 115,991 votes, a vote share of 54.6%.