Population Pyramids of the World from 1950 to 2100

Guinea-Bissau Population Pyramid 1981

Guinea-Bissau
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1981
Population: 842,431

Year

-5 -1   1981  +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 1981

The population of Guinea-Bissau in 1981 was 842,431. Over the previous ten years the population grew by 43.7%, up from 586,220 in 1971.

The median age was 17.6 years, and for every 100 people of working age (15–64) there were 90.7 children under 15 and 9.7 people aged 65 or over. 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 #151 of 201 by population Ranks #149 of 201 by median age Ranks #17 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
842,431
Median age
17.6
0-14 %
45.3%
65+ %
4.8%
Child dependency
90.7
Old-age dependency
9.7
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 842,432 17.6
Gambia 739,126 18.1
Cabo Verde 327,846 16.1
Mauritania 1,516,877 17.0
Liberia 1,986,867 17.9
Frequently asked questions about Guinea-Bissau's population
How many people lived in Guinea-Bissau in 1981?
In 1981, Guinea-Bissau's population was 842,431.
Is the population of Guinea-Bissau increasing or decreasing?
Yes, growing: up 43.7% from 1971, with a projected population of 3,438,608 in 2050.
What is the median age in Guinea-Bissau?
The median age in Guinea-Bissau is 17.6 years — half the population is younger, half older.
What share of Guinea-Bissau's population is over 65 or under 15?
In Guinea-Bissau, 45.3% of people are under 15 and 4.8% are 65 or older.
What type of population pyramid does Guinea-Bissau have?
Guinea-Bissau has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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