Japan · Completed

Japan — Parliamentary election — 2021-10-31

Name: Japan — Parliamentary election — 2021-10-31
Start: 2021-10-31
Location: Japan

Oct 31, 2021

Elections

Partial

Jurisdiction: Japan
Next national election: Oct 31, 2021
Role: Parliamentary election · Legislative
Selection method: Other method
Status: Completed
Round: 1

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Contest rounds

Round 1 · Single round

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

CompletedOct 31, 2021

Published contest rules

{
  "early": true,
  "electorate": 105320523,
  "source": "ParlGov",
  "sourceElectionId": 1098,
  "sourceElectionType": "parliament",
  "totalSeats": 176,
  "validVotes": 57180934,
  "votesCast": 58575222
}

Candidates

Rikken Minshutō

Party

Affiliated party: Rikken Minshutō

Kokumin Minshu-tō

Party

Affiliated party: Kokumin Minshu-tō

Nihon Kyōsan-tō

Party

Affiliated party: Nihon Kyōsan-tō

Kōmeitō

Party

Affiliated party: Kōmeitō

Liberal Democratic Party

Party

Affiliated party: Liberal Democratic Party

Nippon Ishin no Kai

Party

Affiliated party: Nippon Ishin no Kai

Reiwa Shinsengumi

Party

Affiliated party: Reiwa Shinsengumi

Japan Socialist Party

Party

Affiliated party: Japan Socialist Party

NHK jushinryō o shiharawanai kokumin o mamoru tō

Party

Affiliated party: NHK jushinryō o shiharawanai kokumin o mamoru tō

Candidate–opponent strategy evidence

A directional comparison and factual public-message frame for each sourced pair in the same contest.

Preliminary evidence scenario, not a prediction or guarantee of an electoral result. It uses public sources, makes no causal claim and uses no demographic microtargeting. Methodology

There is not enough compatible, sourced evidence to publish a pairwise analysis for this contest yet.

Election results

Japan — Parliamentary election — 2021-10-31 · The Party to Protect the People from NHK

Round 1 · Aug 15, 2024 · Preliminary

Votes: 796,788
Seats: 0
Original value: 1.39
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Reiwa Shinsengumi

Round 1 · Aug 15, 2024 · Preliminary

Votes: 2,215,648
Seats: 3
Original value: 3.86
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Democratic Party for the People

Round 1 · Aug 15, 2024 · Preliminary

Votes: 2,593,396
Seats: 5
Original value: 4.51
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Komeito

Round 1 · Aug 15, 2024 · Preliminary

Votes: 7,114,282
Seats: 23
Original value: 12.38
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Nippon Ishin (Japan Innovation Party)

Round 1 · Aug 15, 2024 · Preliminary

Votes: 8,050,830
Seats: 25
Original value: 14.01
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Constitutional Democratic Party of Japan

Round 1 · Aug 15, 2024 · Preliminary

Votes: 11,492,094
Seats: 39
Original value: 20.00
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Social Democratic Party

Round 1 · Aug 15, 2024 · Preliminary

Votes: 1,018,588
Seats: 0
Original value: 1.77
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Japanese Communist Party (Nihon Kyōsan-tō)

Round 1 · Aug 15, 2024 · Preliminary

Votes: 4,166,076
Seats: 9
Original value: 7.25
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Japan — Parliamentary election — 2021-10-31 · Liberal Democratic Party

Round 1 · Aug 15, 2024 · Preliminary

Votes: 19,914,883
Seats: 72
Original value: 34.66
Published precision: 2

Dataset hash: 7b22b75389bf1b443f284a24ffef158e04461304d445876f61ce5be9bfcbcb7e

Signal

Partial

Coverage is partial and no record is currently available for this section.

wikidata_candidates_are_mentions_only

Polls

Partial

Coverage is partial and no record is currently available for this section.

source_not_registered

Forecasts

Partial

Coverage is partial and no record is currently available for this section.

forecast_not_computed

Top issues

Partial

Coverage is partial and no record is currently available for this section.

wikidata_election_items

Prediction components

Partial

Coverage is partial and no record is currently available for this section.

forecast_not_computed

Media profile

Approval · Favorability · Negativity

Unavailable due to licence

The registered licence does not permit republication of this section.

license_or_attribution_rejected

Media profile

Unavailable due to licence

The registered licence does not permit republication of this section.

license_or_attribution_rejected

Strengths · Weaknesses · Attacks · Controversies

Unavailable due to licence

The registered licence does not permit republication of this section.

license_or_attribution_rejected

Campaign signals

Unavailable due to licence

The registered licence does not permit republication of this section.

license_or_attribution_rejected

Sources

1WikidataCC0-1.0 · Aug 9, 2026
2Wikimedia CommonsPER-FILE · Aug 9, 2026
3Unicode Common Locale Data RepositoryUnicode-3.0 · Aug 9, 2026