Candidates
掛山 茂希 — Tokyo 20th District 2026
Updated 25 Tháng 5, 2026
- chevron_rightOutcome: Lost in Tokyo 20th District (2026) — 23,544 votes (10.5%), rank #4 of 4.
- chevron_rightProfile: Male, age 38. Background: その他. Status entering: Newcomer.
fact_check Quick Facts
Age
38 yrs
Gender
male ♂ Male
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded
—
Election Performance
Vote Count & Share
Votes
23,544
Vote Share
10.5%
Rank
#4
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その他
Detail個人投資家
Incumbency & Career Wins
- Status entering the 2026 election: Newcomer
- Age at time of election: 38
Comparative Snapshot
Same District Rivals
| Rank | Candidate | Party | Votes | Share |
|---|---|---|---|---|
| #1 | 木原 誠二 | LDP | 108,985 | 48.6% |
| #2 | 大西 健太郎 | DPP | 46,910 | 20.9% |
| #3 | 宮本 徹 | JCP | 45,031 | 20.1% |
| #4 | 掛山 茂希 this page | Sanseito | 23,544 | 10.5% |
Same-Party Peers in 2026
- 伊藤 恵介 — Gifu 3rd District, 10.5% (Lost)
- 山寺 崇仁 — Hyogo 9th District, 10.5% (Lost)
- 田宮 零一郎 — Kanagawa 4th District, 10.5% (Lost)
- 前田 裕介 — Chiba 9th District, 10.4% (Lost)
- 徳永 多真美 — Okayama 2nd District, 10.4% (Lost)
Candidates with Similar Vote Share
- 春山 明日香 (Ishin, Tokyo 1st District) — 10.5%
- 小林 誠 (Ishin, Ishikawa 1st District) — 10.5%
- 伊藤 恵介 (Sanseito, Gifu 3rd District) — 10.5%
- 松浦 大悟 (Ishin, Akita 1st District) — 10.5%
- 山寺 崇仁 (Sanseito, Hyogo 9th District) — 10.5%
Tokyo 20th District Historical Context
| Year | Winner | Party | Winning Votes | Winning Share | Field Size | Margin |
|---|---|---|---|---|---|---|
| 2026 | 木原 誠二 | LDP | 108,985 | 48.6% | 4 | 62,075 |
| 2024 | 木原 誠二 | LDP | 93,390 | 43.0% | 3 | 27,955 |
| 2021 | 木原 誠二 | LDP | 121,621 | 52.6% | 3 | 55,105 |
Tokyo Snapshot (2026)
Districts
30
Candidates
154
Seats Filled
30
Active Parties
12
Party representation across Tokyo
LDP30 cand · 30 won
Sanseito30 cand · 0 won
DPP27 cand · 0 won
Centrist24 cand · 0 won
JCP13 cand · 0 won
Ishin11 cand · 0 won
Minor Parties6 cand · 0 won
Independent4 cand · 0 won
Mirai3 cand · 0 won
保守2 cand · 0 won
減ゆ2 cand · 0 won
Reiwa2 cand · 0 won
Top performers across Tokyo (2026)
| Candidate | District | Party | Votes | Share | Result |
|---|---|---|---|---|---|
| 伊藤 達也 | Tokyo 22nd District | LDP | 132,689 | 51.5% | Won |
| 鈴木 隼人 | Tokyo 10th District | LDP | 126,044 | 49.1% | Won |
| 福田 かおる | Tokyo 18th District | LDP | 117,383 | 47.7% | Won |
| 平 将明 | Tokyo 4th District | LDP | 114,054 | 49.4% | Won |
| 長島 昭久 | Tokyo 30th District | LDP | 110,453 | 45.2% | Won |
| 松島 みどり | Tokyo 14th District | LDP | 109,892 | 50.2% | Won |
| 井上 信治 | Tokyo 25th District | LDP | 109,606 | 50.5% | Won |
Where 掛山 茂希 ranks
Among Sanseito single-member candidates in 2026
Higher vote share than 54.4% (99 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 29.5% (330 of 1119)
その他 cohort (2026)
Cohort Size
224
Cohort Wins
17
Cohort Avg Share
15.0%
Cohort Avg Age
51
掛山 茂希's 10.5% vote share is 4.48 percentage points below the その他 cohort average for 2026.
Frequently Asked Questions
Who has won Tokyo 20th District in recent elections?expand_more
Recorded winners of Tokyo 20th District: 木原 誠二 (2026); 木原 誠二 (2024); 木原 誠二 (2021).
How many Tokyo districts ran candidates in 2026?expand_more
Tokyo had 30 districts with 154 total candidates in 2026, of whom 30 won seats.
Did 掛山 茂希 win the 2026 election?expand_more
掛山 茂希 did not win the 2026 House of Representatives race in Tokyo 20th District, recording 23,544 votes (10.5%).
Which party did 掛山 茂希 represent?expand_more
掛山 茂希 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Tokyo 20th District in 2026?expand_more
木原 誠二 (LDP) won Tokyo 20th District with 108,985 votes, a vote share of 48.6%.