The Social Democratic Union (, USD) was an electoral alliance established on 27 September 1995 between the Democratic Party (PD) and the Romanian Social Democratic Party (PSDR). The alliance was formed to participate in the 1996 Romanian general election.
The alliance formally ended in 1999, when the Romanian Social Democratic Party left it, in order to join the Social Democratic Pole of Romania.
Composition PartyAbbr.IdeologyFromToDemocratic Party - National Salvation FrontPD-FSNSocial democracyLeft-wing populism19951999Romanian Social Democratic PartyPSDRSocial democracy19951999
Electoral history Legislative elections ElectionChamberSenatePositionAftermathVotes%SeatsVotes%Seats19961,582,23112.931,617,38413.163rd
Presidential elections ElectionCandidateVotes%Position1996 2,598,545 20.5 3rd
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