Candidates
西村 智奈美 — Niigata 1st District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Niigata 1st District (2021) — 127,365 votes (52.6%), rank #1 of 3.
- chevron_rightProfile: Female, age 54. Background: 大臣. Status entering: Incumbent.
- chevron_rightEndorsed by: 社民県連合
- chevron_rightCareer wins to date: 6
fact_check Quick Facts
Age
54 yrs
Gender
female ♀ Female
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
127,365
Vote Share
52.6%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
CDP
立民
Party Candidates 2021
253
Party Seats Won
96
Prefectures
58
Avg Share
39.0%
Occupation & Background
Category大臣
Detail元厚生労働副大臣、元衆議院沖縄及び北方問題に関する特別委員長
Incumbency & Career Wins
- Status entering the 2021 election: Incumbent
- Total recorded wins to date: 6
- Age at time of election: 54
Endorsements
社民県連合
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 西村 智奈美 this page | CDP | 127,365 | 52.6% |
| #2 | 塚田 一郎 | LDP | 96,591 | 39.9% |
| #3 | 石崎 徹 | Ishin | 18,333 | 7.6% |
Same-Party Peers in 2021
- 江田 憲司 — Kanagawa 8th District, 52.6% (Won)
- 逢坂 誠二 — Hokkaido 8th District, 52.7% (Won)
- 緑川 貴士 — Akita 2nd District, 52.5% (Won)
- 小山 展弘 — Shizuoka 3rd District, 52.7% (Won)
- 重徳 和彦 — Aichi 12th District, 52.7% (Won)
Candidates with Similar Vote Share
- 木原 誠二 (LDP, Tokyo 20th District) — 52.6%
- 江田 憲司 (CDP, Kanagawa 8th District) — 52.6%
- 逢坂 誠二 (CDP, Hokkaido 8th District) — 52.7%
- 中西 健治 (LDP, Kanagawa 3rd District) — 52.5%
- 緑川 貴士 (CDP, Akita 2nd District) — 52.5%
Career Timeline
Elections
4
Career Wins
3
Total Votes
300,019
Best Vote Share
52.7%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Niigata 1st District | Centrist | Single-member | 73,167 | 37.0% | #2 | Lost |
| 2026 | Hokuriku-Shinetsu Block (PR Block) | Centrist | PR Block | 0 | 0.0% | #6 | Won |
| 2024 | Niigata 1st District | CDP | Single-member | 99,487 | 52.7% | #1 | Won |
| 2021 | Niigata 1st District | CDP | Single-member | 127,365 | 52.6% | #1 | Won |
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 (2021)
Districts
6
Candidates
16
Seats Filled
6
Active Parties
6
Party representation across Niigata
LDP6 cand · 2 won
CDP4 cand · 3 won
Independent3 cand · 1 won
Ishin1 cand · 0 won
DPP1 cand · 0 won
JCP1 cand · 0 won
Top performers across Niigata (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 細田 健一 | Niigata 2nd District | LDP | 105,426 | 59.9% | Won |
| 斎藤 洋明 | Niigata 3rd District | LDP | 102,564 | 53.6% | Won |
| 菊田 真紀子 | Niigata 4th District | CDP | 97,494 | 50.1% | Won |
| 国定 勇人 | Niigata 4th District | LDP | 97,256 | 49.9% | Lost |
| 塚田 一郎 | Niigata 1st District | LDP | 96,591 | 39.9% | Lost |
| 梅谷 守 | Niigata 6th District | CDP | 90,679 | 49.6% | Won |
| 高鳥 修一 | Niigata 6th District | LDP | 90,549 | 49.5% | Lost |
Where 西村 智奈美 ranks
Among CDP single-member candidates in 2021
Higher vote share than 91.1% (195 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 82.8% (710 of 857)
大臣 cohort (2021)
Cohort Size
216
Cohort Wins
153
Cohort Avg Share
50.1%
Cohort Avg Age
61
西村 智奈美's 52.6% vote share is 2.53 percentage points above the 大臣 cohort average for 2021.
Frequently Asked Questions
How many times has 西村 智奈美 run for the House of Representatives?expand_more
西村 智奈美 has appeared in 4 recorded elections, winning 3 of them. The most recent was 2021.
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 2021?expand_more
Niigata had 6 districts with 16 total candidates in 2021, of whom 6 won seats.
Did 西村 智奈美 win the 2021 election?expand_more
西村 智奈美 won the 2021 House of Representatives race in Niigata 1st District, recording 127,365 votes (52.6%).
Which party did 西村 智奈美 represent?expand_more
西村 智奈美 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Niigata 1st District in 2021?expand_more
西村 智奈美 (CDP) won Niigata 1st District with 127,365 votes, a vote share of 52.6%.