electionstracker

Portugal 2002 legislative election

What was the result of the 2002 legislative election in Portugal?

Social Democratic Party won 105 of 230 seats with 41.0% of the vote. 61.5% of registered voters cast a ballot.

  • Portugal
  • Held:
  • Final result
  • ParlGov, read 5 October 2026

Which party won the most seats?

Final results from ParlGov, read : Social Democratic Party won 105 of 230 seats with 41.0% of the vote; 61.5% of registered voters cast a ballot, up 0.4 points on 1999.

  • Social Democratic Party 105 +24 seats 41.0% +8.0 points
  • Socialist Party 96 −19 seats 38.5% −6.4 points
  • CDS – People's Party 14 −1 seat 8.9% +0.4 points
  • Unitary Democratic Coalition 0 0 seats 7.1% −2.1 points
  • Left Bloc 3 +1 seat 2.8% +0.3 points
  • Portuguese Workers' Communist Party 0 0 seats 0.7% −0.1 points
  • Portuguese Communist Party 10 −5 seats
  • Ecology Party -- Greens 2 0 seats
  • Seats won
  • Change on the previous election at the right
  • Share of the vote
  • Share at the previous election
  • Change in points at the right

Changes are against the Portugal 1999 legislative election, party by party.

116 of 230 seats make a majority

Key numbers

  1. 41.0%

    Share of the vote won by Social Democratic Party

    Social Democratic Party won 105 of 230 seats. A majority needs 116.

  2. +24 seats

    Seats gained by Social Democratic Party

    The largest gain in seats compared with 1999. Socialist Party lost 19 seats.

  3. 61.5%

    Voter turnout

    Up 0.4 points on 1999.

Seats and votes by party

PartySeats± seats%± pointsVotes
Social Democratic Party105+2441.0+8.02,200,765
Socialist Party96−1938.5−6.42,068,584
CDS – People's Party14−18.9+0.4477,350
Unitary Democratic Coalitionwith Democratic Intervention007.1−2.1379,870
Left Bloc3+12.8+0.3149,966
Portuguese Workers' Communist Party000.7−0.136,193
Portuguese Communist Party10−5
Ecology Party -- Greens20

± is the change against the Portugal 1999 legislative election, party by party.

Votes by party
  • Social Democratic Party 2,200,765
  • Socialist Party 2,068,584
  • CDS – People's Party 477,350
  • Unitary Democratic Coalition 379,870
  • Left Bloc 149,966
  • Portuguese Workers' Communist Party 36,193
  • Portuguese Communist Party
  • 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.

ParlGov counts an alliance's votes and seats under its first party: such a row names the allies it counts.

How many people voted?

61.5% of the 8,902,713 registered voters cast a ballot (5,473,655 ballots), up 0.4 points on 1999. 5,365,881 of them were valid votes.

How do the votes compare with the seats?

  • Social Democratic Party41.0% of votes45.7% of seats
  • Socialist Party38.5% of votes41.7% of seats
  • CDS – People's Party8.9% of votes6.1% of seats
  • Left Bloc2.8% of votes1.3% of seats
  • Unitary Democratic Coalition7.1% of votes0.0% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 7.5 (0 when seats follow votes exactly); the effective number of parties is 3.0 by votes and 2.6 by seats; Social Democratic Party led Socialist Party by 2.5 points of the vote.

Time and source Data as of