See also>Emigrant stockFertilityMortalityLife expectancyLiteracy rateSao Tome and Principe - Human Development IndexDateHDIHDI Ranking20000.501128º19990.498115º19980.494114º19970.492114º19960.491114º19950.488114º19940.487109º19930.485110º19920.485110º19910.484110º19900.485107ºSao Tome and Principe - Human Development Index Sources: UN