Population and Demographics of Guinea-Bissau
Population changed +2.23% in 2024 · median age 19 years
The current population picture in Guinea-Bissau starts with 2.2 million people and +2.23% annual change, with the 2050 medium scenario above the 2024 total. The longer record adds perspective: the population changed by +78.2% between 2000 and 2024. Under the UN medium scenario, the 2050 total is 3.44 million, a 56.2% increase from 2024.
Population Over Time in Guinea-Bissau
Over the 24 years from 2000 to 2024, Guinea-Bissau added roughly 0.97 million people, leaving the 2024 total at 2.201M. The central 2050 projection is 3.439M, implying a +56.2% change from 2024 if that path is realized. The chart connects dated reference points only and should not be read as an annual interpolated series.
Age Structure and Sex Balance
In 2024, Guinea-Bissau's age mix can be described as very young on the broad UN age-group measures. The youngest broad age group represents 38.79% of residents, against 3.19% in the 65+ group; the working-age band is 58.02%. The age balance is weighted toward younger residents.
Population by broad age group
Guinea-Bissau's 2024 population is 50.6% female and 49.4% male in the World Bank series. Females exceed males by 1.2 percentage points.
Female and male population share
Females made up 50.6% of the population in the World Bank's 2024 series, compared with 49.4% males.
What Is Shaping Population Change
Two current indicators frame Guinea-Bissau: +2.23% annual population change and fertility at 3.8, with age composition adding a 35.60-point gap between children and older adults.
Guinea-Bissau's population path over 2000 to 2024 records +78.2% change, and the medium outlook then points +56.2% from 2024 to 2050; explaining that movement requires component data beyond these headline indicators.
2024 estimate for Guinea-Bissau. The world comparison value is 2.25 children per woman.
Guinea-Bissau vs. World
A same-year comparison shows Guinea-Bissau at +2.23% annual growth, 3.8 children per woman and a median age of 19, against world values of +0.87%, 2.25 and 30.6.
| Indicator | Guinea-Bissau | World | Year |
|---|---|---|---|
| Annual population change | +2.23% | +0.87% | 2024 |
| Total fertility rate | 3.8 | 2.25 | 2024 |
| Median age | 19 | 30.6 | 2024 |
To keep the comparison defensible, all three indicators come from one harmonized 2024 table that attributes the demographic series to UN WPP 2024.
Key Takeaways
The 2024 total is 2,201,352 people. Annual change in the same harmonized table is +2.23%.
The 2024 age structure is 38.79% under 15, 58.02% aged 15 to 64 and 3.19% aged 65 or older.
The 2024 female and male shares are 50.6% and 49.4% respectively.
On the medium path, 2050 reaches 3.439M, a +56.2% shift from the 2024 level.
Frequently Asked Questions
What is the population of Guinea-Bissau?
The 2024 harmonized population estimate for Guinea-Bissau is 2,201,352 people.
Is the population of Guinea-Bissau growing or declining?
In the 2024 estimate, Guinea-Bissau's population is growing, with annual change of +2.23%.
What percentage of the population of Guinea-Bissau is aged 65 or older?
People aged 65 or older account for 3.19% of Guinea-Bissau's 2024 population in the UN WPP-based broad age data.
What is the projected population of Guinea-Bissau in 2050?
The UN World Population Prospects 2024 medium projection puts Guinea-Bissau's 2050 population at 3,438,608.
What is the fertility rate in Guinea-Bissau?
The 2024 harmonized fertility estimate for Guinea-Bissau is 3.8 children per woman.
Sources & methodology
This profile uses United Nations World Population Prospects 2024 as the primary framework for globally comparable population, age, fertility and projection data. The World Bank is the primary source for the female population share. Some country values were accessed through secondary retrieval interfaces that republish or organize UN data; those interfaces are identified below as secondary and are not treated as the original statistical publishers.
View sources used for this page
Primary global framework for the population estimates and projections.
Harmonized 2024 country table based on UN World Population Prospects 2024.
Harmonized broad age shares based on UN World Population Prospects 2024.
Harmonized reference for the 2000 population point.
Harmonized 2050 country projection based on UN World Population Prospects 2024.
Used for the 2024 female share; the male share is calculated as the remainder to 100%.