Population Pyramid of Guinea-Bissau2024
Total population
2.2M
Median age
20.2
Peak year
2100
Peak population
4.7M
Age & sex distribution over time
1950 · 544K · median age 21.4
1980 · 829K · median age 17.7
2000 · 1.2M · median age 17.4
2024 · 2.2M · median age 20.2
2050 · 3.4M · median age 26.8
2100 · 4.7M · median age 37.5
Source: UN World Population Prospects 2024 Revision (CC BY 3.0 IGO). Values in thousands. Years after 2024 are medium-variant projections.
Key insights
Demographic profile
Guinea-Bissau presently shows an expansive pyramid with a young median age, characteristic of the early demographic transition — fertility remains high while mortality has fallen. The median age in 2024 is 20.2 years.
Age composition
Children under 15 account for 38.8% of the population; people 65 and older account for 3.2%.
Peak population
UN medium-variant projections place Guinea-Bissau's peak population in 2100.
Long arc
In 1950 the population was 0.5 million with median age 21.4. Projected 2100 values are 4.7 million and median age 37.5.