Candidates
山室 貴史 — Osaka 3rd District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Osaka 3rd District (2026) — 18,345 votes (9.8%), rank #4 of 5.
- chevron_rightProfile: Male, age 34. Background: 経営者. Status entering: Newcomer.
fact_check Quick Facts
Age
34 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
18,345
Vote Share
9.8%
Rank
#4
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
Sanseito
参政
Party Candidates 2026
197
Party Seats Won
15
Prefectures
56
Avg Share
10.8%
Occupation & Background
Category経営者
Detailリフォーム会社経営
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 34
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 東 徹 | Ishin | 75,462 | 40.4% |
| #2 | 柳本 顕 | LDP | 45,715 | 24.4% |
| #3 | 宇都宮 優子 | Centrist | 30,714 | 16.4% |
| #4 | 山室 貴史 this page | Sanseito | 18,345 | 9.8% |
| #5 | 渡部 結 | JCP | 16,758 | 9.0% |
Same-Party Peers in 2026
- 出羽 幹子 — Chiba 6th District, 9.8% (Lost)
- 島村 直輝 — Tokyo 6th District, 9.8% (Lost)
- 林元 政子 — Wakayama 1st District, 9.8% (Lost)
- 星野 奈美 — Tokyo 21st District, 9.8% (Lost)
- 菅又 士廊 — Saitama 1st District, 9.8% (Lost)
Candidates with Similar Vote Share
- 出羽 幹子 (Sanseito, Chiba 6th District) — 9.8%
- 島村 直輝 (Sanseito, Tokyo 6th District) — 9.8%
- 皆川 雅一 (Ishin, Aichi 3rd District) — 9.8%
- 林元 政子 (Sanseito, Wakayama 1st District) — 9.8%
- 星野 奈美 (Sanseito, Tokyo 21st District) — 9.8%
Osaka 3rd District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 東 徹 | ISHIN | 75,462 | 40.4% | 5 | 29,747 |
| 2024 | 東 徹 | ISHIN | 74,546 | 41.3% | 5 | 22,439 |
| 2021 | 佐藤 茂樹 | KOMEITO | 79,507 | 44.7% | 4 | 37,770 |
Osaka Snapshot (2026)
Districts
19
Candidates
84
Seats Filled
19
Active Parties
10
Party representation across Osaka
Ishin19 cand · 18 won
LDP18 cand · 1 won
JCP16 cand · 0 won
Sanseito14 cand · 0 won
Centrist8 cand · 0 won
DPP4 cand · 0 won
Reiwa2 cand · 0 won
SDP1 cand · 0 won
Independent1 cand · 0 won
Minor Parties1 cand · 0 won
Top performers across Osaka (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 遠藤 敬 | Osaka 18th District | Ishin | 121,948 | 58.4% | Won |
| 青柳 仁士 | Osaka 14th District | Ishin | 121,049 | 57.8% | Won |
| 高見 亮 | Osaka 2nd District | Ishin | 115,244 | 51.9% | Won |
| 中司 宏 | Osaka 11th District | Ishin | 113,436 | 49.4% | Won |
| 萩原 佳 | Osaka 9th District | Ishin | 102,204 | 48.2% | Won |
| 梅村 聡 | Osaka 5th District | Ishin | 93,472 | 42.5% | Won |
| 井上 英孝 | Osaka 1st District | Ishin | 93,383 | 40.2% | Won |
Where 山室 貴史 ranks
Among Sanseito single-member candidates in 2026
Higher vote share than 44.5% (81 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 26.9% (301 of 1119)
経営者 cohort (2026)
Cohort Size
61
Cohort Wins
4
Cohort Avg Share
14.5%
Cohort Avg Age
47
山室 貴史's 9.8% vote share is 4.67 percentage points below the 経営者 cohort average for 2026.
Frequently Asked Questions
Who has won Osaka 3rd District in recent elections?expand_more
Recorded winners of Osaka 3rd District: 東 徹 (2026); 東 徹 (2024); 佐藤 茂樹 (2021).
How many Osaka districts ran candidates in 2026?expand_more
Osaka had 19 districts with 84 total candidates in 2026, of whom 19 won seats.
Did 山室 貴史 win the 2026 election?expand_more
山室 貴史 did not win the 2026 House of Representatives race in Osaka 3rd District, recording 18,345 votes (9.8%).
Which party did 山室 貴史 represent?expand_more
山室 貴史 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Osaka 3rd District in 2026?expand_more
東 徹 (Ishin) won Osaka 3rd District with 75,462 votes, a vote share of 40.4%.