electionstracker

Portugal 1975 legislative election

Final results from ParlGov, read : Socialist Party won 116 of 250 seats with 40.7% of the vote; 91.7% of registered voters cast a ballot.

Result

Seats and votes by party

PartySeats%Votes
Socialist Party11640.72,162,972
Social Democratic Party8128.41,507,282
Portuguese Communist Party3013.4711,935
CDS – People's Party168.2434,879
Portuguese Democratic Movement54.5236,318
People's Socialist Front01.366,307
Movement of Socialist Left01.158,248
Popular Democratic Union10.844,877
Unnamed party with one seat1
Votes by party
  • Socialist Party 2,162,972
  • Social Democratic Party 1,507,282
  • Portuguese Communist Party 711,935
  • CDS – People's Party 434,879
  • Portuguese Democratic Movement 236,318
  • People's Socialist Front 66,307
  • Movement of Socialist Left 58,248
  • Popular Democratic Union 44,877
  • Unnamed party with one seat

ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes. How we read it.

Share of the vote

Turnout

91.7% of the 6,231,372 registered voters cast a ballot (5,711,829 ballots). 5,315,064 of them were valid votes. How turnout is counted.

Votes and seats

  • Socialist Party40.7% of votes46.4% of seats
  • Social Democratic Party28.4% of votes32.4% of seats
  • Portuguese Communist Party13.4% of votes12.0% of seats
  • CDS – People's Party8.2% of votes6.4% of seats
  • Portuguese Democratic Movement4.5% of votes2.0% of seats
  • Popular Democratic Union0.8% of votes0.4% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 5.6 (0 when seats follow votes exactly); the effective number of parties is 3.7 by votes and 2.9 by seats; Socialist Party led Social Democratic Party by 12.3 points of the vote. How these are computed.

Sources and licence

Sources and licence

Our text and compilation: CC BY 4.0. How to reuse and cite this page.