Indicator	Value
Total population	236,000 peopleUN DESA WPP [2024] 235,500 people·World Bank WDI [2024] 235,500 people
Median age	19.3 yearsUN DESA WPP [2024]
Life expectancy	69.7–69.9 yearsWorld Bank WDI [2024] 69.91 years·UNDP HDI [2023] 69.72 years
Ethnic groups	Mestico, Angolares (descendants of Angolan slaves), Forros (descendants of freed slaves), Servicais (contract laborers from Angola, Mozambique, and Cabo Verde), Tongas (children of servicais born on the islands), Europeans (primarily Portuguese), Asians (mostly Chinese)CIA World Factbook [2025] · 2026 archive
Languages	Portuguese 98.4% (official), Forro 36.2%, Cabo Verdian 8.5%, French 6.8%, Angolar 6.6%, English 4.9%, Lunguie 1%, other (including sign language) 2.4%; other Portuguese-based Creoles are also spoken (2012 est.); note: shares of language sum to more than 100% because some respondents gave more than one answer on the censusCIA World Factbook [2025] · 2026 archive
Religions	Catholic 55.7%, Adventist 4.1%, Assembly of God 3.4%, New Apostolic 2.9%, Mana 2.3%, Universal Kingdom of God 2%, Jehovah's Witness 1.2%, other 6.2%, none 21.2%, unspecified 1% (2012 est.)CIA World Factbook [2025] · 2026 archive
Urbanization	76.4% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	2 %World Bank WDI [2024]
Birth rate	28.1 per 1,000World Bank WDI [2024]
Death rate	5.53 per 1,000World Bank WDI [2024]
Urban population	68.9 %World Bank WDI [2024]
Languages (structured)	Angolar Principense Sao Tome and Principe Sign Language Sãotomense Glottolog [2026]