electionstracker

Portugal 2011 legislative election

Final results from ParlGov, read : Social Democratic Party won 108 of 230 seats with 40.3% of the vote; 58.0% of registered voters cast a ballot, down 1.6 points on 2009.

Result

Seats and votes by party

PartySeats± seats%± pointsVotes
Social Democratic Party108+2740.3+10.32,159,181
Socialist Party74−2329.2−8.51,566,347
CDS – People's Party24+312.2+1.4653,888
Unitary Democratic Coalition16+18.2+0.1441,147
Left Bloc8−85.4−4.7288,923
Portuguese Workers' Communist Party001.2+0.262,610
Party for Animals and Nature01.157,995

± is the change against the Portugal 2009 legislative election, party by party.

Votes by party
  • Social Democratic Party 2,159,181
  • Socialist Party 1,566,347
  • CDS – People's Party 653,888
  • Unitary Democratic Coalition 441,147
  • Left Bloc 288,923
  • Portuguese Workers' Communist Party 62,610
  • Party for Animals and Nature 57,995

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

58.0% of the 9,624,354 registered voters cast a ballot (5,585,054 ballots), down 1.6 points on 2009. 5,357,037 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

  • Social Democratic Party40.3% of votes47.0% of seats
  • Socialist Party29.2% of votes32.2% of seats
  • CDS – People's Party12.2% of votes10.4% of seats
  • Unitary Democratic Coalition8.2% of votes7.0% of seats
  • Left Bloc5.4% of votes3.5% 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; Social Democratic Party led Socialist Party by 11.1 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.