electionstracker

Portugal 1983 legislative election

Final results from ParlGov, read : Socialist Party won 101 of 250 seats with 37.1% of the vote; 77.8% of registered voters cast a ballot, down 6.2 points on 1980.

Result

Seats and votes by party

PartySeats± seats%± pointsVotes
Socialist Party101+3537.1+9.32,061,309
Social Democratic Party75−728.01,554,804
United People Alliance0018.6+1.41,031,609
CDS – People's Party30−1612.9716,705
Christian Democratic Party00.739,180
Portuguese Communist Party40+1
Portuguese Democratic Movement3+1
Ecology Party -- Greens1

± is the change against the Portugal 1980 legislative election, party by party.

Votes by party
  • Socialist Party 2,061,309
  • Social Democratic Party 1,554,804
  • United People Alliance 1,031,609
  • CDS – People's Party 716,705
  • Christian Democratic Party 39,180
  • Portuguese Communist Party
  • Portuguese Democratic Movement
  • Ecology Party -- Greens

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

77.8% of the 7,337,064 registered voters cast a ballot (5,707,695 ballots), down 6.2 points on 1980. 5,560,925 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1975. How turnout is counted.

Votes and seats

  • Socialist Party37.1% of votes40.4% of seats
  • Social Democratic Party28.0% of votes30.0% of seats
  • CDS – People's Party12.9% of votes12.0% of seats
  • United People Alliance18.6% of votes0.0% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 17.6 (0 when seats follow votes exactly); the effective number of parties is 3.8 by votes and 3.4 by seats; Socialist Party led Social Democratic Party by 9.1 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.