Guinea-Bissau Population Pyramid 2035
Guinea-Bissau in 2035
By 2035, the population of Guinea-Bissau is expected to reach 2,730,133. That would be 21.4% more than in 2025 (2,249,515).
The median age is projected at 22.9 years, with 54.8 children under 15 and 6.0 people aged 65 or over for every 100 people of working age (15–64). 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 | 2,730,133 | 22.9 | |
| Gambia | 3,433,426 | 22.5 | |
| Cabo Verde | 548,591 | 34.9 | |
| Mauritania | 6,856,319 | 20.1 | |
| Liberia | 7,003,557 | 22.2 |





