Candidates
山口 晋 — Saitama 10th District 2024
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Saitama 10th District (2024) — 67,764 votes (41.0%), rank #2 of 2.
- chevron_rightProfile: Male, age 41. Background: 大臣. Status entering: Incumbent.
- chevron_rightEndorsed by: 公明
fact_check Quick Facts
Age
41 yrs
Gender
male ♂ Male
Election Date
Th10 27, 2024
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
67,764
Vote Share
41.0%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2024
Political Context
Party Affiliation
LDP
自民
Party Candidates 2024
325
Party Seats Won
191
Prefectures
58
Avg Share
42.6%
Occupation & Background
Category大臣
Detail元官房長官秘書官、自民党青年局次長
Incumbency & Career Wins
- Status entering the 2024 election: Incumbent
- Total recorded wins to date: 1
- Age at time of election: 41
Endorsements
公明
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 坂本 祐之輔 | CDP | 97,591 | 59.0% |
| #2 | 山口 晋 this page | LDP | 67,764 | 41.0% |
Same-Party Peers in 2024
- 古川 康 — Saga 2nd District, 41.0% (Lost)
- 三谷 英弘 — Kanagawa 8th District, 41.1% (Lost)
- 古賀 篤 — Fukuoka 3rd District, 41.2% (Won)
- 松野 博一 — Chiba 3rd District, 41.2% (Won)
- 中川 郁子 — Hokkaido 11th District, 41.3% (Lost)
Candidates with Similar Vote Share
- 古川 康 (LDP, Saga 2nd District) — 41.0%
- 阿久津 幸彦 (CDP, Tokyo 11th District) — 41.0%
- 飯泉 嘉門 (Independent, Tokushima 2nd District) — 41.0%
- 寺田 学 (CDP, Akita 1st District) — 41.1%
- 篠原 豪 (CDP, Kanagawa 1st District) — 41.1%
Career Timeline
Elections
3
Career Wins
2
Total Votes
259,764
Best Vote Share
55.3%
| Year | District | Party | System | Votes | Share | Rank | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Saitama 10th District | LDP | Single-member | 95,847 | 55.3% | #1 | Won |
| 2024 | Saitama 10th District | LDP | Single-member | 67,764 | 41.0% | #2 | Lost |
| 2021 | Saitama 10th District | LDP | Single-member | 96,153 | 51.6% | #1 | Won |
Saitama 10th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 山口 晋 | LDP | 95,847 | 55.3% | 2 | 18,362 |
| 2024 | 坂本 祐之輔 | CDP | 97,591 | 59.0% | 2 | 29,827 |
| 2021 | 山口 晋 | LDP | 96,153 | 51.6% | 2 | 5,939 |
Saitama Snapshot (2024)
Districts
16
Candidates
66
Seats Filled
16
Active Parties
10
Party representation across Saitama
JCP14 cand · 0 won
LDP13 cand · 8 won
CDP13 cand · 6 won
Ishin12 cand · 0 won
Minor Parties4 cand · 0 won
DPP3 cand · 2 won
Independent3 cand · 0 won
Reiwa2 cand · 0 won
Komeito1 cand · 0 won
みんな1 cand · 0 won
Top performers across Saitama (2024)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 枝野 幸男 | Saitama 5th District | CDP | 107,778 | 51.0% | Won |
| 大島 敦 | Saitama 6th District | CDP | 104,836 | 51.3% | Won |
| 森田 俊和 | Saitama 12th District | CDP | 103,324 | 57.5% | Won |
| 坂本 祐之輔 | Saitama 10th District | CDP | 97,591 | 59.0% | Won |
| 柴山 昌彦 | Saitama 8th District | LDP | 93,223 | 43.4% | Won |
| 小泉 龍司 | Saitama 11th District | LDP | 91,681 | 58.1% | Won |
| 村井 英樹 | Saitama 1st District | LDP | 85,347 | 41.5% | Won |
Where 山口 晋 ranks
Among LDP single-member candidates in 2024
Higher vote share than 47.7% (127 of 266)
Among ALL single-member candidates in 2024
Higher vote share than 74.8% (833 of 1113)
大臣 cohort (2024)
Cohort Size
232
Cohort Wins
140
Cohort Avg Share
42.4%
Cohort Avg Age
60
山口 晋's 41.0% vote share is 1.37 percentage points below the 大臣 cohort average for 2024.
Frequently Asked Questions
How many times has 山口 晋 run for the House of Representatives?expand_more
山口 晋 has appeared in 3 recorded elections, winning 2 of them. The most recent was 2024.
Who has won Saitama 10th District in recent elections?expand_more
Recorded winners of Saitama 10th District: 山口 晋 (2026); 坂本 祐之輔 (2024); 山口 晋 (2021).
How many Saitama districts ran candidates in 2024?expand_more
Saitama had 16 districts with 66 total candidates in 2024, of whom 16 won seats.
Did 山口 晋 win the 2024 election?expand_more
山口 晋 did not win the 2024 House of Representatives race in Saitama 10th District, recording 67,764 votes (41.0%).
Which party did 山口 晋 represent?expand_more
山口 晋 ran as a LDP candidate. The party fielded 325 candidates in 2024.
Who won Saitama 10th District in 2024?expand_more
坂本 祐之輔 (CDP) won Saitama 10th District with 97,591 votes, a vote share of 59.0%.