Spain 2004 European Parliament election

Final results from ParlGov, read 5 October 2026: Spanish Socialist Workers' Party won 25 of 54 seats with 43.5% of the vote; 45.1% of registered voters cast a ballot, down 17.9 points on 1999.

Spain
Held Sunday 13 June 2004

European Parliament result

Seats and votes by party

Party	Seats	± seats	%	± points	Votes
Spanish Socialist Workers' Party	25	+1	43.5	+7.5	6,741,112
People's Party	24	−3	41.2	+0.8	6,393,192
Coalition for the Europe of the Peoples	2	0	5.2	+2.2	798,816
Communist Party / United Left	2	−2	4.2	−1.7	643,136
Europe of the Peoples–Greens	1		2.5		380,709
European Coalition	0	−2	1.3	−2.0	197,231

± is the change against the Spain 1999 European Parliament election, party by party.

Votes by party

Spanish Socialist Workers' Party 6,741,112
People's Party 6,393,192
Coalition for the Europe of the Peoples 798,816
Communist Party / United Left 643,136
Europe of the Peoples–Greens 380,709
European Coalition 197,231

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

Spanish Socialist Workers' Party43.5%
People's Party41.2%
Coalition for the Europe of the Peoples5.2%
Communist Party / United Left4.2%
Europe of the Peoples–Greens2.5%
European Coalition1.3%

Turnout

45.1% of the 34,706,044 registered voters cast a ballot (15,666,491 ballots), down 17.9 points on 1999. 15,417,268 of them were valid votes. The lowest turnout of this kind in our data, which begins in 1987. How turnout is counted.

Votes and seats

Spanish Socialist Workers' Party43.5% of votes46.3% of seats
People's Party41.2% of votes44.4% of seats
Coalition for the Europe of the Peoples5.2% of votes3.7% of seats
Communist Party / United Left4.2% of votes3.7% of seats
Europe of the Peoples–Greens2.5% of votes1.9% of seats

Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 3.4 (0 when seats follow votes exactly); the effective number of parties is 2.7 by votes and 2.4 by seats; Spanish Socialist Workers' Party led People's Party by 2.2 points of the vote. How these are computed.

Sources and licence

ParlGov 2024 Release (Döring and Manow), Harvard Dataverse (source). Licence: CC0 1.0 Universal
Wikidata, party colours (P465) (source). Licence: CC0 1.0 Universal

Our text and compilation: CC BY 4.0. How to reuse and cite this page.