Candidates
黒岩 宇洋 — Niigata 3rd District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Niigata 3rd District (2021) — 88,744 votes (46.4%), rank #2 of 2.
- chevron_rightProfile: Male, age 55. Background: 政務官. Status entering: Incumbent.
- chevron_rightCareer wins to date: 3
fact_check Quick Facts
Age
55 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
88,744
Vote Share
46.4%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
CDP
立民
Party Candidates 2021
253
Party Seats Won
96
Prefectures
58
Avg Share
39.0%
Occupation & Background
Category政務官
Detail立憲民主党国会対策委員長代理、元法務政務官
Incumbency & Career Wins
- Status entering the 2021 election: Incumbent
- Total recorded wins to date: 3
- Age at time of election: 55
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 斎藤 洋明 | LDP | 102,564 | 53.6% |
| #2 | 黒岩 宇洋 this page | CDP | 88,744 | 46.4% |
Same-Party Peers in 2021
- 山崎 誠 — Kanagawa 5th District, 46.5% (Lost)
- 長友 克洋 — Kanagawa 14th District, 46.2% (Lost)
- 神谷 裕 — Hokkaido 10th District, 46.1% (Lost)
- 斉木 武志 — Fukui 2nd District, 46.1% (Lost)
- 川内 博史 — Kagoshima 1st District, 46.8% (Lost)
Candidates with Similar Vote Share
- 山崎 誠 (CDP, Kanagawa 5th District) — 46.5%
- 永岡 桂子 (LDP, Ibaraki 7th District) — 46.5%
- 長友 克洋 (CDP, Kanagawa 14th District) — 46.2%
- 船田 元 (LDP, Tochigi 1st District) — 46.2%
- 五十嵐 清 (LDP, Tochigi 2nd District) — 46.6%
Career Timeline
Elections
3
Career Wins
1
Total Votes
270,471
Best Vote Share
49.3%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Niigata 3rd District | Centrist | Single-member | 76,452 | 36.0% | #2 | Lost |
| 2024 | Niigata 3rd District | CDP | Single-member | 105,275 | 49.3% | #1 | Won |
| 2021 | Niigata 3rd District | CDP | Single-member | 88,744 | 46.4% | #2 | Lost |
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 (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 |
|---|---|---|---|---|---|
| 西村 智奈美 | Niigata 1st District | CDP | 127,365 | 52.6% | Won |
| 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 |
Where 黒岩 宇洋 ranks
Among CDP single-member candidates in 2021
Higher vote share than 70.1% (150 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 67.4% (578 of 857)
政務官 cohort (2021)
Cohort Size
107
Cohort Wins
67
Cohort Avg Share
45.6%
Cohort Avg Age
52
黒岩 宇洋's 46.4% vote share is 0.78 percentage points above the 政務官 cohort average for 2021.
Frequently Asked Questions
How many times has 黒岩 宇洋 run for the House of Representatives?expand_more
黒岩 宇洋 has appeared in 3 recorded elections, winning 1 of them. The most recent was 2021.
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 2021?expand_more
Niigata had 6 districts with 16 total candidates in 2021, of whom 6 won seats.
Did 黒岩 宇洋 win the 2021 election?expand_more
黒岩 宇洋 did not win the 2021 House of Representatives race in Niigata 3rd District, recording 88,744 votes (46.4%).
Which party did 黒岩 宇洋 represent?expand_more
黒岩 宇洋 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Niigata 3rd District in 2021?expand_more
斎藤 洋明 (LDP) won Niigata 3rd District with 102,564 votes, a vote share of 53.6%.