Candidates
神山 洋介 — Kanagawa 17th District 2021
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Kanagawa 17th District (2021) — 89,837 votes (37.9%), rank #2 of 3.
- chevron_rightProfile: Male, age 46. Background: 団体役員. Status entering: Former.
- chevron_rightCareer wins to date: 2
fact_check Quick Facts
Age
46 yrs
Gender
male ♂ Male
Election Date
Th10 31, 2021
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
89,837
Vote Share
37.9%
Rank
#2
Outcome
Lost
Win/Loss Outcome
Outcome
Did not win seat in 2021
Political Context
Party Affiliation
CDP
立民
Party Candidates 2021
253
Party Seats Won
96
Prefectures
58
Avg Share
39.0%
Occupation & Background
Category団体役員
Detail元衆院内閣委員会理事、元第一生命社員
Incumbency & Career Wins
- Status entering the 2021 election: Former
- Total recorded wins to date: 2
- Age at time of election: 46
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 牧島 かれん | LDP | 131,284 | 55.3% |
| #2 | 神山 洋介 this page | CDP | 89,837 | 37.9% |
| #3 | 山田 正 | JCP | 16,202 | 6.8% |
Same-Party Peers in 2021
- 青木 剛志 — Fukuoka 7th District, 37.7% (Lost)
- 武正 公一 — Saitama 1st District, 38.1% (Lost)
- 岡島 一正 — Chiba 3rd District, 38.1% (Lost)
- 升田 世喜男 — Aomori 1st District, 37.4% (Lost)
- 大野 園子 — Miyagi 3rd District, 37.1% (Lost)
Candidates with Similar Vote Share
- 高橋 祐介 (LDP, Hokkaido 2nd District) — 37.9%
- 初村 滝一郎 (LDP, Nagasaki 1st District) — 38.0%
- 長友 慎治 (DPP, Miyazaki 2nd District) — 37.8%
- 青木 剛志 (CDP, Fukuoka 7th District) — 37.7%
- 高橋 舞子 (LDP, Oita 1st District) — 38.1%
Kanagawa 17th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 牧島 かれん | LDP | 106,966 | 48.4% | 3 | 38,608 |
| 2024 | 牧島 かれん | LDP | 115,235 | 50.9% | 2 | 4,174 |
| 2021 | 牧島 かれん | LDP | 131,284 | 55.3% | 3 | 41,447 |
Kanagawa Snapshot (2021)
Districts
18
Candidates
51
Seats Filled
18
Active Parties
8
Party representation across Kanagawa
LDP17 cand · 11 won
CDP15 cand · 7 won
Ishin7 cand · 0 won
JCP5 cand · 0 won
Independent4 cand · 0 won
DPP1 cand · 0 won
SDP1 cand · 0 won
NHK Party1 cand · 0 won
Top performers across Kanagawa (2021)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 河野 太郎 | Kanagawa 15th District | LDP | 210,515 | 79.3% | Won |
| 小泉 進次郎 | Kanagawa 11th District | LDP | 147,634 | 79.2% | Won |
| 菅 義偉 | Kanagawa 2nd District | LDP | 146,166 | 61.1% | Won |
| 後藤 祐一 | Kanagawa 16th District | CDP | 137,558 | 54.6% | Won |
| 坂井 学 | Kanagawa 5th District | LDP | 136,288 | 53.5% | Won |
| 赤間 二郎 | Kanagawa 14th District | LDP | 135,197 | 53.8% | Won |
| 牧島 かれん | Kanagawa 17th District | LDP | 131,284 | 55.3% | Won |
Where 神山 洋介 ranks
Among CDP single-member candidates in 2021
Higher vote share than 42.1% (90 of 214)
Among ALL single-member candidates in 2021
Higher vote share than 52.6% (451 of 857)
団体役員 cohort (2021)
Cohort Size
26
Cohort Wins
7
Cohort Avg Share
19.3%
Cohort Avg Age
48
神山 洋介's 37.9% vote share is 18.63 percentage points above the 団体役員 cohort average for 2021.
Frequently Asked Questions
Who has won Kanagawa 17th District in recent elections?expand_more
Recorded winners of Kanagawa 17th District: 牧島 かれん (2026); 牧島 かれん (2024); 牧島 かれん (2021).
How many Kanagawa districts ran candidates in 2021?expand_more
Kanagawa had 18 districts with 51 total candidates in 2021, of whom 18 won seats.
Did 神山 洋介 win the 2021 election?expand_more
神山 洋介 did not win the 2021 House of Representatives race in Kanagawa 17th District, recording 89,837 votes (37.9%).
Which party did 神山 洋介 represent?expand_more
神山 洋介 ran as a CDP candidate. The party fielded 253 candidates in 2021.
Who won Kanagawa 17th District in 2021?expand_more
牧島 かれん (LDP) won Kanagawa 17th District with 131,284 votes, a vote share of 55.3%.