Candidates
杉山 鎮夫 — Saitama 13th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Saitama 13th District (2026) — 17,675 votes (9.2%), rank #3 of 5.
- chevron_rightProfile: Male, age 43. Background: 官僚. Status entering: Newcomer.
fact_check Quick Facts
Age
43 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
17,675
Vote Share
9.2%
Rank
#3
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官僚
Detail元埼玉県蕨市職員
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 43
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 三ツ林 裕己 | LDP | 75,992 | 39.3% |
| #2 | 橋本 幹彦 | DPP | 69,464 | 36.0% |
| #3 | 杉山 鎮夫 this page | Sanseito | 17,675 | 9.2% |
| #4 | 高井 崇志 | Reiwa | 16,713 | 8.7% |
| #5 | 沢口 千枝子 | JCP | 13,305 | 6.9% |
Same-Party Peers in 2026
- 宮路 純一 — Chiba 5th District, 9.2% (Lost)
- 荻野 ミエ — Kanagawa 3rd District, 9.2% (Lost)
- 重松 貴美 — Saga 1st District, 9.3% (Lost)
- 丹 悠 — Tokyo 14th District, 9.1% (Lost)
- 山下 聖 — Hyogo 11th District, 9.3% (Lost)
Candidates with Similar Vote Share
- 宮路 純一 (Sanseito, Chiba 5th District) — 9.2%
- 平川 節代 (JCP, Osaka 8th District) — 9.2%
- 田原 聖子 (JCP, Tokyo 12th District) — 9.2%
- 志村 康博 (減ゆ, Aichi 4th District) — 9.2%
- 浦平 美博 (Ishin, Wakayama 1st District) — 9.2%
Saitama 13th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 三ツ林 裕己 | LDP | 75,992 | 39.3% | 5 | 6,528 |
| 2024 | 橋本 幹彦 | DPP | 61,436 | 34.1% | 6 | 8,054 |
| 2021 | 土屋 品子 | LDP | 101,149 | 49.4% | 3 | 14,226 |
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 |
| 井原 隆 | Saitama 5th District | LDP | 104,836 | 47.4% | Won |
Where 杉山 鎮夫 ranks
Among Sanseito single-member candidates in 2026
Higher vote share than 32.4% (59 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 23.6% (264 of 1119)
官僚 cohort (2026)
Cohort Size
38
Cohort Wins
7
Cohort Avg Share
23.7%
Cohort Avg Age
45
杉山 鎮夫's 9.2% vote share is 14.52 percentage points below the 官僚 cohort average for 2026.
Frequently Asked Questions
Who has won Saitama 13th District in recent elections?expand_more
Recorded winners of Saitama 13th District: 三ツ林 裕己 (2026); 橋本 幹彦 (2024); 土屋 品子 (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 杉山 鎮夫 win the 2026 election?expand_more
杉山 鎮夫 did not win the 2026 House of Representatives race in Saitama 13th District, recording 17,675 votes (9.2%).
Which party did 杉山 鎮夫 represent?expand_more
杉山 鎮夫 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Saitama 13th District in 2026?expand_more
三ツ林 裕己 (LDP) won Saitama 13th District with 75,992 votes, a vote share of 39.3%.