Guinea-Bissau Population Pyramid 1991
Guinea-Bissau in 1991
The population of Guinea-Bissau in 1991 was 994,639. A decade earlier, in 1981, the population was 842,431; it has grown by 18.1% since.
Half of the population was younger than 17.1 years; 45.5% were children under 15 and 5.0% were 65 or older. 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 Guinea-Bissau had on average 3.84 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 64.1 years in 2023: 66.4 for women and 61.7 for men.
Source: World Bank World Development Indicators, latest available year.
14,081 immigrants live in Guinea-Bissau, 0.6% of the population.
| Senegal | 7,634 |
| Guinea | 3,032 |
| Gambia | 917 |
| Liberia | 532 |
| Portugal | 505 |
103,999 people born in Guinea-Bissau live in other countries.
| Portugal | 36,682 |
| Senegal | 31,321 |
| Gambia | 15,119 |
| Cabo Verde | 5,576 |
| Guinea | 4,217 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Guinea-Bissau | 994,640 | 17.1 | |
| Gambia | 1,099,959 | 17.1 | |
| Cabo Verde | 384,586 | 17.0 | |
| Liberia | 1,956,518 | 17.9 | |
| Mauritania | 2,009,738 | 17.2 |





