Sao Tome and Principe legally permits dual nationality since 2003.
São Toméan nationality law is regulated by the Constitution of São Tomé and Príncipe, as amended; the Nationality Law, and its revisions; and various international agreements to which the country is a signatory
São Tomé and Príncipe has allowed dual nationality for nationals from birth in most cases since 2003. The main restriction on dual nationality is that the president and Prime Minister must hold only São Toméan nationality. Naturalization Applicants must renounce other nationality and verify residency of a minimum of five years.