Candidates
井原 隆 — Saitama 5th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Won in Saitama 5th District (2026) — 104,836 votes (47.4%), rank #1 of 3.
- chevron_rightProfile: Male, age 43. Background: 議員. Status entering: Newcomer.
fact_check Quick Facts
Age
43 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
1
Election Performance
Vote Count & Share
Votes
104,836
Vote Share
47.4%
Rank
#1
Outcome
Won
Win/Loss Outcome
Seat
Elected to the House of Representatives
Political Context
Party Affiliation
LDP
自民
Party Candidates 2026
353
Party Seats Won
316
Prefectures
58
Avg Share
50.4%
Occupation & Background
Category議員
Detail元さいたま市議会議員
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Total recorded wins to date: 1
- Age at time of election: 43
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 井原 隆 this page | LDP | 104,836 | 47.4% |
| #2 | 枝野 幸男 | Centrist | 90,795 | 41.0% |
| #3 | 飯塚 佳佑 | Sanseito | 25,775 | 11.6% |
Same-Party Peers in 2026
- 中村 裕之 — Hokkaido 4th District, 47.3% (Won)
- 永岡 桂子 — Ibaraki 7th District, 47.5% (Lost)
- 永田 磨梨奈 — Kanagawa 4th District, 47.6% (Won)
- 井原 巧 — Ehime 2nd District, 47.6% (Won)
- 福田 かおる — Tokyo 18th District, 47.7% (Won)
Candidates with Similar Vote Share
- 中村 裕之 (LDP, Hokkaido 4th District) — 47.3%
- 永岡 桂子 (LDP, Ibaraki 7th District) — 47.5%
- 永田 磨梨奈 (LDP, Kanagawa 4th District) — 47.6%
- 井原 巧 (LDP, Ehime 2nd District) — 47.6%
- 福田 かおる (LDP, Tokyo 18th District) — 47.7%
Saitama 5th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 井原 隆 | LDP | 104,836 | 47.4% | 3 | 14,041 |
| 2024 | 枝野 幸男 | CDP | 107,778 | 51.0% | 4 | 29,528 |
| 2021 | 枝野 幸男 | CDP | 113,615 | 51.4% | 2 | 6,083 |
Saitama Snapshot (2026)
Districts
16
Candidates
55
Seats Filled
16
Active Parties
9
Party representation across Saitama
LDP16 cand · 16 won
Centrist12 cand · 0 won
Sanseito8 cand · 0 won
JCP6 cand · 0 won
DPP5 cand · 0 won
Ishin4 cand · 0 won
Independent2 cand · 0 won
Reiwa1 cand · 0 won
Minor Parties1 cand · 0 won
Top performers across Saitama (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 村井 英樹 | Saitama 1st District | LDP | 121,002 | 55.7% | Won |
| 柴山 昌彦 | Saitama 8th District | LDP | 118,529 | 52.4% | Won |
| 田中 良生 | Saitama 15th District | LDP | 114,320 | 52.3% | Won |
| 大塚 拓 | Saitama 9th District | LDP | 112,062 | 55.0% | Won |
| 穂坂 泰 | Saitama 4th District | LDP | 110,312 | 52.9% | Won |
| 中野 英幸 | Saitama 7th District | LDP | 107,470 | 57.2% | Won |
| 野中 厚 | Saitama 12th District | LDP | 102,382 | 55.8% | Won |
Where 井原 隆 ranks
Among LDP single-member candidates in 2026
Higher vote share than 39.5% (113 of 286)
Among ALL single-member candidates in 2026
Higher vote share than 82.7% (925 of 1119)
議員 cohort (2026)
Cohort Size
216
Cohort Wins
35
Cohort Avg Share
21.9%
Cohort Avg Age
52
井原 隆's 47.4% vote share is 25.49 percentage points above the 議員 cohort average for 2026.
Frequently Asked Questions
Who has won Saitama 5th District in recent elections?expand_more
Recorded winners of Saitama 5th District: 井原 隆 (2026); 枝野 幸男 (2024); 枝野 幸男 (2021).
How many Saitama districts ran candidates in 2026?expand_more
Saitama had 16 districts with 55 total candidates in 2026, of whom 16 won seats.
Did 井原 隆 win the 2026 election?expand_more
井原 隆 won the 2026 House of Representatives race in Saitama 5th District, recording 104,836 votes (47.4%).
Which party did 井原 隆 represent?expand_more
井原 隆 ran as a LDP candidate. The party fielded 353 candidates in 2026.
Who won Saitama 5th District in 2026?expand_more
井原 隆 (LDP) won Saitama 5th District with 104,836 votes, a vote share of 47.4%.