Candidates
岡本 忠志 — Osaka 4th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Osaka 4th District (2026) — 28,240 votes (12.0%), rank #3 of 6.
- chevron_rightProfile: Male, age 58. Background: 経営者. Status entering: Newcomer.
fact_check Quick Facts
Age
58 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
28,240
Vote Share
12.0%
Rank
#3
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2026
Political Context
Party Affiliation
DPP
国民
Party Candidates 2026
122
Party Seats Won
28
Prefectures
55
Avg Share
21.5%
Occupation & Background
Category経営者
Detail訪問看護ステーション経営
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 58
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 美延 映夫 | Ishin | 87,309 | 37.2% |
| #2 | 中山 泰秀 | LDP | 71,040 | 30.3% |
| #3 | 岡本 忠志 this page | DPP | 28,240 | 12.0% |
| #4 | 藤田 美季 | Sanseito | 24,019 | 10.2% |
| #5 | 山田 みのり | JCP | 19,832 | 8.4% |
| #6 | 橋口 和矢 | Minor Parties | 4,299 | 1.8% |
Same-Party Peers in 2026
- 佐藤 潤 — Osaka 8th District, 12.0% (Lost)
- 谷川 祐一 — Ibaraki 2nd District, 12.0% (Lost)
- 塩野 智郎 — Osaka 1st District, 12.0% (Lost)
- 中原 立貴 — Hyogo 11th District, 12.1% (Lost)
- 寺田 和史 — Tochigi 5th District, 12.1% (Lost)
Candidates with Similar Vote Share
- 月足 舞子 (Sanseito, Osaka 6th District) — 12.0%
- 佐藤 潤 (DPP, Osaka 8th District) — 12.0%
- 川端 絢美 (Sanseito, Ibaraki 1st District) — 12.0%
- 谷川 祐一 (DPP, Ibaraki 2nd District) — 12.0%
- 豊 哲也 (Sanseito, Tottori 1st District) — 12.0%
Osaka 4th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 美延 映夫 | ISHIN | 87,309 | 37.2% | 6 | 16,269 |
| 2024 | 美延 映夫 | ISHIN | 94,129 | 43.1% | 5 | 29,705 |
| 2021 | 美延 映夫 | ISHIN | 107,585 | 46.1% | 4 | 34,750 |
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 岡本 忠志 ranks
Among DPP single-member candidates in 2026
Higher vote share than 16.7% (17 of 102)
Among ALL single-member candidates in 2026
Higher vote share than 34.8% (389 of 1119)
経営者 cohort (2026)
Cohort Size
61
Cohort Wins
4
Cohort Avg Share
14.5%
Cohort Avg Age
47
岡本 忠志's 12.0% vote share is 2.47 percentage points below the 経営者 cohort average for 2026.
Frequently Asked Questions
Who has won Osaka 4th District in recent elections?expand_more
Recorded winners of Osaka 4th District: 美延 映夫 (2026); 美延 映夫 (2024); 美延 映夫 (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 岡本 忠志 win the 2026 election?expand_more
岡本 忠志 did not win the 2026 House of Representatives race in Osaka 4th District, recording 28,240 votes (12.0%).
Which party did 岡本 忠志 represent?expand_more
岡本 忠志 ran as a DPP candidate. The party fielded 122 candidates in 2026.
Who won Osaka 4th District in 2026?expand_more
美延 映夫 (Ishin) won Osaka 4th District with 87,309 votes, a vote share of 37.2%.