Constitution: 25 April 1976, revised 30 October 1982; new discussions on constitutional revision began October 1987
Legal system: civil law system; the Constitutional Tribunal reviews the constitutionality of legislation; accepts compulsory ICJ jurisdiction, with reservations
National holiday: Day of Portugal, 10 June
Executive branch: president, Council of State, prime minister, deputy prime minister, Council of Ministers (cabinet)
Legislative branch: unicameral Assembly of the Republic (Assembleia da Republica)
Judicial branch: Supreme Tribunal of Justice (Supremo Tribunal de
Justica)
Leaders: Chief of State—President Dr. Mario Alberto Nobre Lopes SOARES (since 9 March 1986);
Head of Government—Prime Minister Anibal CAVACO SILVA (since 6
November 1985); Deputy Prime Minister (vacant)
Political parties and leaders: Social Democratic Party (PSD), Anibal
Cavaco Silva; Portuguese Socialist Party (PS), Jorge Sampaio; Party of
Democratic Renewal (PRD), Herminio Martinho; Portuguese Communist Party (PCP),
Alvaro Cunhal; Social Democratic Center (CDS), Diogo Freitas do Amaral
Suffrage: universal at age 18