Guinea-Bissau Population Pyramid 1979
Guinea-Bissau
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Other non-specified areas
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1979
Population:
819,867
Summary
Guinea-Bissau in 1979
The population of Guinea-Bissau in 1979 was 819,868. That is 41.0% more than in 1969, when the population stood at 581,610.
The median age was 17.6 years, and for every 100 people of working age (15–64) there were 89.9 children under 15 and 9.5 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.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Key indicators for Guinea-Bissau
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.
| Senegal | 7,634 |
| Guinea | 3,032 |
| Gambia | 917 |
| Liberia | 532 |
| Portugal | 505 |
Where emigrants live (2024)
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 |
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 | 819,868 | 17.6 | |
| Gambia | 689,781 | 18.4 | |
| Cabo Verde | 319,480 | 16.2 | |
| Mauritania | 1,432,758 | 17.0 | |
| Liberia | 1,872,713 | 18.0 |
Frequently asked questions about Guinea-Bissau's population
What was the population of Guinea-Bissau in 1979?
Guinea-Bissau had a population of 819,868 in 1979.
Is the population of Guinea-Bissau increasing or decreasing?
Yes, growing: up 41.0% from 1969, 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 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, 45.1% of people are under 15 and 4.8% are 65 or older.
What shape is Guinea-Bissau's population pyramid, and what does it mean?
Guinea-Bissau's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.
