Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2074

Sierra Leone
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2074
Population: 15,450,927

Year

-5 -1   2074  +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 2074

United Nations projections (medium variant) put the population of Sierra Leone at 15,450,928 in 2074. Ten years before, in 2064, the projected population is 14,636,716 — 5.6% lower.

Half of the population would be younger than 33.6 years, with 22.3% children under 15 and 10.2% aged 65 or older. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.

Ranks #89 of 201 by population Ranks #155 of 201 by median age Ranks #62 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
15,450,928
Median age
33.6
0-14 %
22.3%
65+ %
10.2%
Child dependency
33.1
Old-age dependency
15.2
Region
AFRICA
Pyramid shape
Stationary
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 15,450,928 33.6
Mauritania 13,572,517 29.3
Liberia 11,398,814 31.4
Togo 21,313,199 28.6
Gambia 5,331,110 34.1
Frequently asked questions about Sierra Leone's population
What will the population of Sierra Leone be in 2074?
UN projections put Sierra Leone's population at 15,450,928 in 2074.
Is the population of Sierra Leone increasing or decreasing?
Sierra Leone's population grew 5.6% over the previous ten years, and is projected to reach 12,948,325 by 2050.
What is the median age in Sierra Leone?
The median age in Sierra Leone is 33.6 years — half the population is younger, half older.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 22.3% of people are under 15 and 10.2% are 65 or older.
What shape is Sierra Leone's population pyramid, and what does it mean?
Sierra Leone's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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