Sao Tome and Principe São Tomé e Príncipe Sao Tomé-et-Principe - Santo Tomé y Príncipe - Sao Tomé und Principe SEARCH ENGINES - MOTEURS DE RECHERCHE - MOTORES DE BUSQÚEDA - SUCHMASCHINEN DEMOCRATIC REPUBLIC OF SÃO TOMÉ AND PRÍNCIPE > African Union Population - 1900: 42,000 - 1950: 60,000 - 2000: 141,000 - 2026: 230,000 Per Capita (2023) - 4,000 Euro / 4,400 US Dollars per year Sao Tome and Principe borders: Gabon .. Equatorial Guinea .. Cameroon .. Nigeria