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São Tomé and Príncipe

Democratic Republic of São Tomé and Príncipe

Civil law (Portuguese tradition)Unitary semi-presidential republicIndexed· 2026-08-03
Capital
São Tomé
Population
230,000
Languages
Portuguese
Currency
STN

The legal system of São Tomé and Príncipe

A Portuguese-tradition civil-law system in Africa's second-smallest state. Portuguese codes remain heavily influential and the Supreme Court exercises constitutional jurisdiction. Príncipe holds a constitutionally recognised autonomous status with its own regional government.

Legal tradition

São Tomé and Príncipe belongs to the civil law (portuguese tradition) tradition. A Portuguese-tradition civil-law system in Africa's second-smallest state. Portuguese codes remain heavily influential and the Supreme Court exercises constitutional jurisdiction. Príncipe holds a constitutionally recognised autonomous status with its own regional government.

How power is divided

Semi-presidential: a directly elected President with veto and dissolution powers, a Prime Minister accountable to the National Assembly, and an independent judiciary.

Where law comes from

Constitution
Supreme law; 1990 text as revised in 2003.
International law
Ratified treaties apply in the domestic order.
Laws and decree-laws
Assembly statutes and government instruments.
Codes
Civil, penal and procedure codes on the Portuguese model.
Regional legislation
Autonomous Region of Príncipe within its competences.

The legal profession

Advogados admitted through the Ordem dos Advogados; the profession is very small and many practitioners train in Portugal.

Law by topic in São Tomé and Príncipe

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