Population Pyramids of the World from 1950 to 2100

Guinea-Bissau Population Pyramid 2031

Guinea-Bissau
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2031
Population: 2,536,899

Year

-5 -1   2031  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Guinea-Bissau in 2031

United Nations projections (medium variant) put the population of Guinea-Bissau at 2,536,900 in 2031. Compared with 2021, when the projection stands at 2,058,842, that represents growth of 23.2% over ten years.

Half of the population would be younger than 21.9 years, with 35.5% children under 15 and 3.5% aged 65 or older. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.

Ranks #147 of 201 by population Ranks #168 of 201 by median age Ranks #39 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Guinea-Bissau
Population
2,536,900
Median age
21.9
0-14 %
35.5%
65+ %
3.5%
Child dependency
58.2
Old-age dependency
5.7
Region
AFRICA
Pyramid shape
Expansive
Population 2050
3,438,608
Population 2100
4,665,485
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.84

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
Years, 1960–2023
Total Women Men
203040506070
19602023 · 64.1

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.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
255075100
19502100
Migration to and from Guinea-Bissau
Where immigrants come from (2024)

14,081 immigrants live in Guinea-Bissau, 0.6% of the population.

Senegal7,634
Guinea3,032
Gambia917
Liberia532
Portugal505
Where emigrants live (2024)

103,999 people born in Guinea-Bissau live in other countries.

Portugal36,682
Senegal31,321
Gambia15,119
Cabo Verde5,576
Guinea4,217
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Guinea-Bissau compares with its neighbours
Country Population Median age Relative size
Guinea-Bissau 2,536,900 21.9
Gambia 3,190,997 21.3
Cabo Verde 540,764 33.0
Mauritania 6,217,789 19.4
Liberia 6,486,741 21.2
Frequently asked questions about Guinea-Bissau's population
How many people are projected to live in Guinea-Bissau in 2031?
UN projections put Guinea-Bissau's population at 2,536,900 in 2031.
Is the population of Guinea-Bissau increasing or decreasing?
Yes, growing: up 23.2% from 2021, with a projected population of 3,438,608 in 2050.
How old is the population of Guinea-Bissau?
The median age in Guinea-Bissau is 21.9 years — half the population is younger, half older.
What share of Guinea-Bissau's population is over 65 or under 15?
3.5% of Guinea-Bissau's population is 65 or older, and 35.5% is under 15.
What type of population pyramid does Guinea-Bissau have?
Guinea-Bissau's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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