electionstracker

Spain 2004 general election

What was the result of the 2004 general election in Spain?

Spanish Socialist Workers' Party won 164 of 350 seats with 43.3% of the vote. 75.7% of registered voters cast a ballot.

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

Which party won the most seats?

Final results from ParlGov, read : Spanish Socialist Workers' Party won 164 of 350 seats with 43.3% of the vote; 75.7% of registered voters cast a ballot, up 6.9 points on 2000.

  • Spanish Socialist Workers' Party 164 +39 seats 43.3% +8.6 points
  • People's Party 148 −35 seats 38.3% −6.9 points
  • Communist Party / United Left 5 −3 seats 5.0% −0.5 points
  • Convergence and Union 10 −5 seats 3.3% −1.0 points
  • Republican Left of Catalonia 8 +7 seats 2.6% +1.7 points
  • Basque Nationalist Party 7 0 seats 1.6% +0.1 points
  • Canarian Coalition 3 −1 seat 0.9% −0.2 points
  • Galician Nationalist Bloc 2 −1 seat 0.8% −0.5 points
  • Aragonese Council 1 0 seats 0.4% 0.0 points
  • Eusko Alkartasuna 1 0 seats 0.3% −0.1 points
  • Nafarroa Bai 1 0.2%
  • 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 Spain 2000 general election, party by party.

176 of 350 seats make a majority

Key numbers

  1. 43.3%

    Share of the vote won by Spanish Socialist Workers' Party

    Spanish Socialist Workers' Party won 164 of 350 seats. A majority needs 176.

  2. +39 seats

    Seats gained by Spanish Socialist Workers' Party

    The largest gain in seats compared with 2000. People's Party lost 35 seats.

  3. 75.7%

    Voter turnout

    Up 6.9 points on 2000.

Seats and votes by party

PartySeats± seats%± pointsVotes
Spanish Socialist Workers' Party164+3943.3+8.611,026,163
People's Party148−3538.3−6.99,763,144
Communist Party / United Leftwith Initiative for Catalonia Greens5−35.0−0.51,284,081
Convergence and Union10−53.3−1.0835,471
Republican Left of Catalonia8+72.6+1.7652,196
Basque Nationalist Party701.6+0.1420,980
Canarian Coalition3−10.9−0.2235,221
Galician Nationalist Bloc2−10.8−0.5208,688
Andalusian Party0−10.7−0.2181,868
Aragonese Council100.40.094,252
Eusko Alkartasuna100.3−0.180,905
Nafarroa Bai10.261,045

± is the change against the Spain 2000 general election, party by party.

Votes by party
  • Spanish Socialist Workers' Party 11,026,163
  • People's Party 9,763,144
  • Communist Party / United Left 1,284,081
  • Convergence and Union 835,471
  • Republican Left of Catalonia 652,196
  • Basque Nationalist Party 420,980
  • Canarian Coalition 235,221
  • Galician Nationalist Bloc 208,688
  • Andalusian Party 181,868
  • Aragonese Council 94,252
  • Eusko Alkartasuna 80,905
  • Nafarroa Bai 61,045

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?

75.7% of the 34,571,831 registered voters cast a ballot (26,155,436 ballots), up 6.9 points on 2000. 25,483,504 of them were valid votes.

How do the votes compare with the seats?

  • Spanish Socialist Workers' Party43.3% of votes46.9% of seats
  • People's Party38.3% of votes42.3% of seats
  • Convergence and Union3.3% of votes2.9% of seats
  • Republican Left of Catalonia2.6% of votes2.3% of seats
  • Basque Nationalist Party1.6% of votes2.0% of seats
  • Communist Party / United Left5.0% of votes1.4% of seats
  • Canarian Coalition0.9% of votes0.9% of seats
  • Galician Nationalist Bloc0.8% of votes0.6% of seats
  • Aragonese Council0.4% of votes0.3% of seats
  • Eusko Alkartasuna0.3% of votes0.3% of seats
  • Nafarroa Bai0.2% of votes0.3% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 4.6 (0 when seats follow votes exactly); the effective number of parties is 3.0 by votes and 2.5 by seats; Spanish Socialist Workers' Party led People's Party by 5.0 points of the vote.

Time and source Data as of