Candidates

田原 聖子 — Tokyo 12th District 2026

Updated 25 Tháng 5, 2026
  • chevron_rightOutcome: Lost in Tokyo 12th District (2026) — 20,616 votes (9.2%), rank #5 of 6.
  • chevron_rightProfile: Female, age 56. Background: その他. Status entering: Newcomer.
fact_check Quick Facts
Age
56 yrs
Gender
female ♀ Female
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded

Election Performance

Vote Count & Share

Votes
20,616
Vote Share
9.2%
Rank
#5
Outcome
Lost

Win/Loss Outcome

Outcome
Did not win seat in 2026

Political Context

Party Affiliation

JCP
共産
Party Candidates 2026
162
Party Seats Won
4
Prefectures
49
Avg Share
7.6%

Occupation & Background

Categoryその他
Detail介護福祉士

Incumbency & Career Wins

  • Status entering the 2026 election: Newcomer
  • Age at time of election: 56

Comparative Snapshot

Same District Rivals

RankCandidatePartyVotesShare
#1高木 啓LDP78,77435.0%
#2中原 翔太Centrist44,13419.6%
#3阿部 司Ishin33,10014.7%
#4久住 勇樹DPP30,91313.7%
#5田原 聖子 this pageJCP20,6169.2%
#6黒石 裕子Sanseito17,3207.7%

Same-Party Peers in 2026

  • 平川 節代 — Osaka 8th District, 9.2% (Lost)
  • 白石 ちよ — Chiba 2nd District, 9.2% (Lost)
  • 渡部 結 — Osaka 3rd District, 9.0% (Lost)
  • 益田 牧子 — Kumamoto 2nd District, 9.4% (Lost)
  • 鈴木 節子 — Shizuoka 1st District, 9.4% (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%
  • 志村 康博 (減ゆ, Aichi 4th District) — 9.2%
  • 浦平 美博 (Ishin, Wakayama 1st District) — 9.2%
  • 荻野 ミエ (Sanseito, Kanagawa 3rd District) — 9.2%

Career Timeline

Elections
2
Career Wins
0
Total Votes
62,120
Best Vote Share
20.0%
YearDistrictPartySystemVotesShareRankResult
2026Tokyo 12th DistrictJCPSingle-member20,6169.2%#5Lost
2024Tokyo 12th DistrictJCPSingle-member41,50420.0%#4Lost

Tokyo 12th District Historical Context

YearWinnerPartyWinning VotesWinning ShareField SizeMargin
2026高木 啓LDP78,77435.0%634,640
2024高木 啓LDP68,87833.3%416,645
2021岡本 三成KOMEITO101,02039.9%320,697

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)

CandidateDistrictPartyVotesShareResult
伊藤 達也Tokyo 22nd DistrictLDP132,68951.5%Won
鈴木 隼人Tokyo 10th DistrictLDP126,04449.1%Won
福田 かおるTokyo 18th DistrictLDP117,38347.7%Won
平 将明Tokyo 4th DistrictLDP114,05449.4%Won
長島 昭久Tokyo 30th DistrictLDP110,45345.2%Won
松島 みどりTokyo 14th DistrictLDP109,89250.2%Won
井上 信治Tokyo 25th DistrictLDP109,60650.5%Won

Where 田原 聖子 ranks

Among JCP single-member candidates in 2026
Higher vote share than 74.7% (118 of 158)
Among ALL single-member candidates in 2026
Higher vote share than 23.6% (264 of 1119)

その他 cohort (2026)

Cohort Size
224
Cohort Wins
17
Cohort Avg Share
15.0%
Cohort Avg Age
51

田原 聖子's 9.2% vote share is 5.78 percentage points below the その他 cohort average for 2026.

Frequently Asked Questions

How many times has 田原 聖子 run for the House of Representatives?expand_more
田原 聖子 has appeared in 2 recorded elections, winning 0 of them. The most recent was 2026.
Who has won Tokyo 12th District in recent elections?expand_more
Recorded winners of Tokyo 12th District: 高木 啓 (2026); 高木 啓 (2024); 岡本 三成 (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 田原 聖子 win the 2026 election?expand_more
田原 聖子 did not win the 2026 House of Representatives race in Tokyo 12th District, recording 20,616 votes (9.2%).
Which party did 田原 聖子 represent?expand_more
田原 聖子 ran as a JCP candidate. The party fielded 162 candidates in 2026.
Who won Tokyo 12th District in 2026?expand_more
高木 啓 (LDP) won Tokyo 12th District with 78,774 votes, a vote share of 35.0%.