Sao Tome and Principe is in Sub-Saharan Africa and is classed by the World Bank as lower middle income. Its capital is Sao Tome. Its population was 240,254 in 2025, ranking 181 of 217 countries. GDP per person was US$4,084 in 2025.
Source: World Bank, World Development Indicators, updated 8 October 2026. Each figure is the latest year available for Sao Tome and Principe. Rankings compare countries with data from the same or recent years.