Candidates
山岡 達丸 — Hokkaido 9th District 2024
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Hokkaido 9th District (2024) — 106,007 votes (56.1%), rank #1 of 3.
- chevron_rightProfile: Male, age 45. Background: 記者. Status entering: Incumbent.
- chevron_rightEndorsed by: 社民道連合
- chevron_rightCareer wins to date: 4
fact_check Quick Facts
Age
45 yrs
Gender
male ♂ Male
Election Date
Th10 27, 2024
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
106,007
Vote Share
56.1%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
CDP
立民
Party Candidates 2024
251
Party Seats Won
148
Prefectures
58
Avg Share
39.5%
Occupation & Background
Category記者
Detail元ＮＨＫ記者、立憲民主党副幹事長
Incumbency & Career Wins
- Status entering the 2024 election: Incumbent
- Total recorded wins to date: 4
- Age at time of election: 45
Endorsements
社民道連合
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 山岡 達丸 this page | CDP | 106,007 | 56.1% |
| #2 | 松下 英樹 | LDP | 62,328 | 33.0% |
| #3 | 立野 広志 | JCP | 20,557 | 10.9% |
Same-Party Peers in 2024
- 菊田 真紀子 — Niigata 2nd District, 56.2% (Won)
- 大西 健介 — Aichi 13th District, 56.3% (Won)
- 福田 昭夫 — Tochigi 2nd District, 56.8% (Won)
- 梅谷 守 — Niigata 5th District, 55.3% (Won)
- 柳沢 剛 — Miyagi 3rd District, 55.2% (Won)
Candidates with Similar Vote Share
- 加藤 鮎子 (LDP, Yamagata 3rd District) — 56.1%
- 菊田 真紀子 (CDP, Niigata 2nd District) — 56.2%
- 福田 達夫 (LDP, Gunma 4th District) — 56.0%
- 日野 紗里亜 (DPP, Aichi 7th District) — 55.9%
- 大西 健介 (CDP, Aichi 13th District) — 56.3%
Career Timeline
Elections
4
Career Wins
3
Total Votes
300,582
Best Vote Share
56.1%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Hokkaido Block (PR Block) | Centrist | PR Block | 0 | 0.0% | #7 | Won |
| 2026 | Hokkaido 9th District | Centrist | Single-member | 81,063 | 39.7% | #2 | Lost |
| 2024 | Hokkaido 9th District | CDP | Single-member | 106,007 | 56.1% | #1 | Won |
| 2021 | Hokkaido 9th District | CDP | Single-member | 113,512 | 51.5% | #1 | Won |
Hokkaido 9th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 松下 英樹 | LDP | 87,984 | 43.1% | 4 | 6,921 |
| 2024 | 山岡 達丸 | CDP | 106,007 | 56.1% | 3 | 43,679 |
| 2021 | 山岡 達丸 | CDP | 113,512 | 51.5% | 2 | 6,670 |
Hokkaido Snapshot (2024)
Districts
12
Candidates
39
Seats Filled
12
Active Parties
7
Party representation across Hokkaido
CDP12 cand · 9 won
LDP11 cand · 3 won
JCP9 cand · 0 won
Ishin3 cand · 0 won
Independent2 cand · 0 won
Sanseito1 cand · 0 won
Komeito1 cand · 0 won
Top performers across Hokkaido (2024)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 池田 真紀 | Hokkaido 5th District | CDP | 125,444 | 51.7% | Won |
| 道下 大樹 | Hokkaido 1st District | CDP | 108,394 | 43.3% | Won |
| 大築 紅葉 | Hokkaido 4th District | CDP | 101,484 | 45.1% | Won |
| 和田 義明 | Hokkaido 5th District | LDP | 100,893 | 41.6% | Lost |
| 東 国幹 | Hokkaido 6th District | LDP | 100,694 | 46.9% | Won |
| 荒井 優 | Hokkaido 3rd District | CDP | 100,136 | 41.7% | Won |
| 逢坂 誠二 | Hokkaido 8th District | CDP | 97,758 | 50.8% | Won |
Where 山岡 達丸 ranks
Among CDP single-member candidates in 2024
Higher vote share than 93.2% (193 of 207)
Among ALL single-member candidates in 2024
Higher vote share than 94.5% (1052 of 1113)
記者 cohort (2024)
Cohort Size
23
Cohort Wins
7
Cohort Avg Share
25.6%
Cohort Avg Age
52
山岡 達丸's 56.1% vote share is 30.53 percentage points above the 記者 cohort average for 2024.
Frequently Asked Questions
How many times has 山岡 達丸 run for the House of Representatives?expand_more
山岡 達丸 has appeared in 4 recorded elections, winning 3 of them. The most recent was 2024.
Who has won Hokkaido 9th District in recent elections?expand_more
Recorded winners of Hokkaido 9th District: 松下 英樹 (2026); 山岡 達丸 (2024); 山岡 達丸 (2021).
How many Hokkaido districts ran candidates in 2024?expand_more
Hokkaido had 12 districts with 39 total candidates in 2024, of whom 12 won seats.
Did 山岡 達丸 win the 2024 election?expand_more
山岡 達丸 won the 2024 House of Representatives race in Hokkaido 9th District, recording 106,007 votes (56.1%).
Which party did 山岡 達丸 represent?expand_more
山岡 達丸 ran as a CDP candidate. The party fielded 251 candidates in 2024.
Who won Hokkaido 9th District in 2024?expand_more
山岡 達丸 (CDP) won Hokkaido 9th District with 106,007 votes, a vote share of 56.1%.