The European Parliament election of 2004 took place on 12 -13 June 2004.
The Olive Tree was the most voted list in Sicily with 28.6%, followed by Forza Italia (21.5%), National Alliance (14.5%) and the Union of Christian and Centre Democrats (14.0%). Raffaele Lombardo, who was elected to the European Parliament for the Christian Democrats, left that party in 2005 to launch the Movement for Autonomy, which would have become a stable political force in the region.
| Parties | votes | votes (%) |
|---|---|---|
| The Olive Tree | 646,267 | 28.6 |
| Forza Italia | 486,080 | 21.5 |
| National Alliance | 328,697 | 14.5 |
| Union of Christian and Centre Democrats | 315,818 | 14.0 |
| Communist Refoundation Party | 82,054 | 3.6 |
| UDEUR Populars | 61,364 | 2.7 |
| Italy of Values–Civil Society–Occhetto | 42,002 | 1.9 |
| Socialists United for Europe–NPSI | 39,942 | 1.8 |
| Federation of the Greens | 38,671 | 1.7 |
| Party of Italian Communists | 38,187 | 1.7 |
| Bonino List–Italian Radicals | 32,027 | 1.4 |
| Social Alternative | 28,849 | 1.3 |
| Christian Democracy[1] | 24,726 | 1.1 |
| Consumers' List | 24,233 | 1.1 |
| Italian Republican Party–Sgarbi Liberals | 22,417 | 1.0 |
| Others | 49,048 | 3.2 |
| Total | 2,260,382 | 100.0 |
Source: Ministry of the Interior
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