Party Historical
Socialist Democratic Federation
- Abbreviation
- SDF
- Founded
- 1978
- Dissolved
- 1993
- Official · en
- Socialist Democratic Federation
Profiles and linksNo official profile link is published.
Social linksNo social profile link is published.
Party
Socialist Democratic Federation
Japan
Power-role history
Coalition
Party lineage
Merged
- PredecessorSocialist Democratic Federation
- SuccessorJapan New Party
Split
- PredecessorJapan Socialist Party
- SuccessorSocialist Democratic Federation
Party Facts reference profile
Historical Party Facts reference: vote or seat share in a national election. It is not a poll, a certified result, necessarily the latest election, or a current value.
Shaminren
- Dataset coverage period
- 1978–1993
- Party Facts reference percentage
- 0.9% · 1990
- Original value
- 0.9
- ISO alpha-3
- JPN
- Party Facts ID
492- Reference names
- SDF · Socialist Democratic Federation
- Created in source
- Dec 29, 2012
- Updated
- Jul 7, 2018
Ideology · Political spectrum
Social democracy
Source classification · Confidence: 80.0%
Party leadership
Partial
Coverage is partial and no record is currently available for this section.
wikidata_action_api_party_enrichmentParty significance
Partial
Coverage is partial and no record is currently available for this section.
wikidata_action_api_party_enrichmentCandidacy
Japan — Parliamentary election — 1993-07-18
United Socialist Democratic Party · Party
Completed · Jul 18, 1993
Affiliated party: Socialist Democratic Federation
Japan — Parliamentary election — 1990-02-18
United Socialist Democratic Party · Party
Completed · Feb 18, 1990
Affiliated party: Socialist Democratic Federation
Japan — Parliamentary election — 1986-07-06
SDF · Party
Completed · Jul 6, 1986
Affiliated party: Socialist Democratic Federation
Japan — Parliamentary election — 1983-12-18
Shaminren · Party
Completed · Dec 18, 1983
Affiliated party: Socialist Democratic Federation
Japan — Parliamentary election — 1980-06-22
SDF · Party
Completed · Jun 22, 1980
Affiliated party: Socialist Democratic Federation
Japan — Parliamentary election — 1979-10-07
SDF · Party
Completed · Oct 7, 1979
Affiliated party: Socialist Democratic Federation
Independent media clusters
Socialist Democratic Federation
1990 Japanese general election · Completed
Aug 9, 2026 · Feb 18, 1990
- Independent clusters, last 30 days
- 0
- Independent clusters, days 31–180
- 0
- Confidence
- 80.0%
Socialist Democratic Federation
1993 Japanese general election · Completed
Aug 9, 2026 · Jul 18, 1993
- Independent clusters, last 30 days
- 0
- Independent clusters, days 31–180
- 0
- Confidence
- 80.0%
Polls
Partial
Coverage is partial and no record is currently available for this section.
source_not_registeredForecasts
Partial
Coverage is partial and no record is currently available for this section.
forecast_not_computedTop issues
Partial
Coverage is partial and no record is currently available for this section.
one_or_more_blocks_partialPrediction components
Partial
Coverage is partial and no record is currently available for this section.
forecast_not_computedMedia profile
Approval · Favorability · Negativity
Unavailable due to licence
The registered licence does not permit republication of this section.
license_or_attribution_rejectedMedia profile
Unavailable due to licence
The registered licence does not permit republication of this section.
license_or_attribution_rejectedStrengths · Weaknesses · Attacks · Controversies
Unavailable due to licence
The registered licence does not permit republication of this section.
license_or_attribution_rejectedCampaign signals
Unavailable due to licence
The registered licence does not permit republication of this section.
license_or_attribution_rejectedElectoral history
Japan — Parliamentary election — 1980-06-22 · SDF
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 402,832
- Seats
- 3
- Original value
- 0.70
- Published precision
- 2
Published share0.7%
Japan — Parliamentary election — 1986-07-06 · SDF
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 499,670
- Seats
- 4
- Original value
- 0.83
- Published precision
- 2
Published share0.8%
Japan — Parliamentary election — 1983-12-18 · Shaminren
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 38,104
- Seats
- 3
- Original value
- 0.67
- Published precision
- 2
Published share0.7%
Japan — Parliamentary election — 1990-02-18 · United Socialist Democratic Party
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 566,957
- Seats
- 4
- Original value
- 0.86
- Published precision
- 2
Published share0.9%
Japan — Parliamentary election — 1993-07-18 · United Socialist Democratic Party
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 461,169
- Seats
- 4
- Original value
- 0.73
- Published precision
- 2
Published share0.7%
Japan — Parliamentary election — 1979-10-07 · SDF
Round 1 · Aug 15, 2024 · Preliminary
- Votes
- 368,660
- Seats
- 2
- Original value
- 0.68
- Published precision
- 2
Published share0.7%
Sources
4
- 1Wikimedia CommonsPER-FILE · Aug 9, 2026
- 2WikidataCC0-1.0 · Aug 9, 2026
- 3Party FactsCC0-1.0 · Aug 9, 2026
- 4Unicode Common Locale Data RepositoryUnicode-3.0 · Aug 9, 2026
