A person born in São Tomé and Príncipe is of origin nationality when a parent is São-tomense, when the parents are stateless or of unknown nationality, or when foreign parents reside in the territory and are not in the service of another state. Foundling and parental-status conditions remain statutory.
Sources: São Tomé and Príncipe — Lei n.º 07/2022 Lei da Nacionalidade
A spouse or registered partner of a São Toméan may acquire nationality.
Sources: São Tomé and Príncipe — Lei n.º 07/2022 Lei da Nacionalidade
Origin nationality covers a person born abroad to a São-tomense parent who declares the wish to be São-tomense, and descendants who are grandchildren of a São-tomense national born abroad.
Sources: São Tomé and Príncipe — Lei n.º 07/2022 Lei da Nacionalidade
The Government may naturalize a foreign adult or stateless person after at least five years of legal residence, Portuguese or national-language knowledge, clean criminal record, national-security clearance and means of subsistence. The grant is by government decree after a Public Prosecutor prior review.
Sources: São Tomé and Príncipe — Lei n.º 07/2022 Lei da Nacionalidade
A direct contribution route created under Decreto-Lei n.º 07/2025 as a special naturalization mechanism under Lei n.º 07/2022 for investment or donation to the National Transformation Fund, administered through the Citizenship by Investment and Donation Unit.
Sources: São Tomé and Príncipe — Decreto-Lei n.º 07/2025 RNID · São Tomé and Príncipe — Lei n.º 07/2022 Lei da Nacionalidade · Honorary Consulate of São Tomé and Príncipe — Citizenship by Investment