electionstracker

Portugal 2019 legislative election

What was the result of the 2019 legislative election in Portugal?

Socialist Party won 108 of 230 seats with 38.2% of the vote. 48.6% 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 : Socialist Party won 108 of 230 seats with 38.2% of the vote; 48.6% of registered voters cast a ballot, down 7.2 points on 2015.

  • Socialist Party 108 +22 seats 38.2% +4.6 points
  • Social Democratic Party 79 −28 seats 29.2% −10.7 points
  • Left Bloc 19 0 seats 10.0% −0.6 points
  • Unitary Democratic Coalition 12 −5 seats 6.7% −1.9 points
  • CDS – People's Party 5 4.4%
  • Party for Animals and Nature 4 +3 seats 3.5% +2.0 points
  • Chega 1 1.4%
  • Liberal Initiative 1 1.4%
  • Livre 1 1.1%
  • 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 2015 legislative election, party by party.

116 of 230 seats make a majority

Key numbers

  1. 38.2%

    Share of the vote won by Socialist Party

    Socialist Party won 108 of 230 seats. A majority needs 116.

  2. +22 seats

    Seats gained by Socialist Party

    The largest gain in seats compared with 2015. Unitary Democratic Coalition lost 5 seats.

  3. 48.6%

    Voter turnout

    Down 7.2 points on 2015.

Seats and votes by party

PartySeats± seats%± pointsVotes
Socialist Party108+2238.2+4.61,903,687
Social Democratic Party79−2829.2−10.71,454,283
Left Bloc19010.0−0.6498,549
Unitary Democratic Coalition12−56.7−1.9332,018
CDS – People's Party54.4221,094
Party for Animals and Nature4+33.5+2.0173,931
Chega11.467,502
Liberal Initiative11.467,443
Livre11.156,940
Alliance00.840,175

± is the change against the Portugal 2015 legislative election, party by party.

Votes by party
  • Socialist Party 1,903,687
  • Social Democratic Party 1,454,283
  • Left Bloc 498,549
  • Unitary Democratic Coalition 332,018
  • CDS – People's Party 221,094
  • Party for Animals and Nature 173,931
  • Chega 67,502
  • Liberal Initiative 67,443
  • Livre 56,940
  • Alliance 40,175

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 many people voted?

48.6% of the 10,777,258 registered voters cast a ballot (5,237,484 ballots), down 7.2 points on 2015. 4,982,609 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1975.

How do the votes compare with the seats?

  • Socialist Party38.2% of votes47.0% of seats
  • Social Democratic Party29.2% of votes34.3% of seats
  • Left Bloc10.0% of votes8.3% of seats
  • Unitary Democratic Coalition6.7% of votes5.2% of seats
  • CDS – People's Party4.4% of votes2.2% of seats
  • Party for Animals and Nature3.5% of votes1.7% of seats
  • Chega1.4% of votes0.4% of seats
  • Liberal Initiative1.4% of votes0.4% of seats
  • Livre1.1% of votes0.4% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 7.7 (0 when seats follow votes exactly); the effective number of parties is 4.0 by votes and 2.9 by seats; Socialist Party led Social Democratic Party by 9.0 points of the vote.

Time and source Data as of