Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2037

Sierra Leone
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2037
Population: 10,902,268

Year

-5 -1   2037  +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

Sierra Leone in 2037

By 2037, the population of Sierra Leone is expected to reach 10,902,269. Compared with 2027, when the projection stands at 9,174,693, that represents growth of 18.8% over ten years.

Half of the population would be younger than 23.8 years, with 32.8% children under 15 and 4.1% 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 #94 of 201 by population Ranks #161 of 201 by median age Ranks #46 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 Sierra Leone
Population
10,902,269
Median age
23.8
0-14 %
32.8%
65+ %
4.1%
Child dependency
51.9
Old-age dependency
6.4
Region
AFRICA
Pyramid shape
Expansive
Population 2050
12,948,325
Population 2100
15,934,257
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.79

In 2023 women in Sierra Leone had on average 3.79 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 · 61.8

A child born there in 2023 could expect to live 61.8 years on average (63.5 years for girls, 60.1 for boys).

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
22456890
19502100
Migration to and from Sierra Leone
Where immigrants come from (2024)

49,156 immigrants live in Sierra Leone, 0.6% of the population.

Guinea33,542
Liberia8,462
Nigeria2,024
India892
Ghana874
Where emigrants live (2024)

63,631 people born in Sierra Leone live in other countries.

Senegal15,843
Liberia13,878
Guinea8,065
Nigeria4,679
Australia4,218
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Sierra Leone compares with its neighbours
Country Population Median age Relative size
Sierra Leone 10,902,269 23.8
Togo 12,404,347 22.2
Liberia 7,278,757 22.7
Mauritania 7,183,119 20.5
Gambia 3,553,533 23.2
Frequently asked questions about Sierra Leone's population
What will the population of Sierra Leone be in 2037?
Sierra Leone is projected to have a population of 10,902,269 in 2037.
Is the population of Sierra Leone increasing or decreasing?
Sierra Leone's population grew 18.8% over the previous ten years, and is projected to reach 12,948,325 by 2050.
How old is the population of Sierra Leone?
Sierra Leone's median age is 23.8 years.
How many children and older people live in Sierra Leone?
4.1% of Sierra Leone's population is 65 or older, and 32.8% is under 15.
What shape is Sierra Leone's population pyramid, and what does it mean?
Sierra Leone has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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