Sao Tome and Principe Population Pyramid 1988
Year
1988Sao Tome and Principe in 1988
The population of Sao Tome and Principe in 1988 was 116,939. Over the previous ten years the population grew by 24.7%, up from 93,794 in 1978.
With a median age of 17.4 years, Sao Tome and Principe had a youth dependency ratio of 88.6 and an old-age dependency ratio of 8.5 per 100 people of working age. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Sao Tome and Principe had on average 3.64 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 69.7 years on average (73.7 years for girls, 66.2 for boys).
Source: World Bank World Development Indicators, latest available year.
1,905 immigrants live in Sao Tome and Principe, 0.8% of the population.
| Cabo Verde | 1,115 |
| Angola | 292 |
| Gabon | 192 |
| Equatorial Guinea | 118 |
| Portugal | 95 |
41,433 people born in Sao Tome and Principe live in other countries.
| Portugal | 23,121 |
| Angola | 7,062 |
| Gabon | 7,058 |
| Equatorial Guinea | 1,936 |
| Cabo Verde | 1,893 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Sao Tome and Principe | 116,939 | 17.4 | |
| Equatorial Guinea | 439,651 | 19.9 | |
| Gabon | 931,021 | 19.2 | |
| Congo | 2,247,653 | 17.5 | |
| Central African Republic | 2,713,966 | 18.0 |





