Portugal operates a multi-party system of competitive legislatures/local administrative governments at the national-, regional- and local-levels. The Assembly of the Republic, Regional Assemblies and local municipalities and parishes, are dominated by two political parties, the <answer>Socialist Party and the Social Democratic Party</answer>, in addition to the Unitary Democratic Coalition (Portuguese Communist Party and Ecologist Party "The Greens"), the Left Bloc and the Democratic and Social Centre – People's Party, which garner between 5 and 15% of the vote regularly.
What two political parties dominate Portugal's government?
Socialist Party and the Social Democratic Party