Sao Tome and Principe Population Pyramid

The age and sex structure of Sao Tome and Principe from 1950 to 2100. In 2026, Sao Tome and Principe had a population of about 244,990 (49.7% male, 50.3% female), with a median age of 20.7 years. UN projections suggest the population will grow to about 534,022 by 2100. Use the slider to explore any year. Source: UN World Population Prospects 2024.