Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2075

Sierra Leone
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2075
Population: 15,507,865

Year

-5 -1   2075  +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 2075

By 2075, the population of Sierra Leone is expected to reach 15,507,865. That would be 5.3% more than in 2065 (14,732,950).

The median age is projected at 33.8 years, with 32.9 children under 15 and 15.6 people aged 65 or over for every 100 people of working age (15–64). 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 #154 of 201 by median age Ranks #63 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
15,507,865
Median age
33.8
0-14 %
22.2%
65+ %
10.5%
Child dependency
32.9
Old-age dependency
15.6
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 15,507,865 33.8
Mauritania 13,734,752 29.5
Liberia 11,491,638 31.7
Togo 21,543,950 28.8
Gambia 5,360,347 34.4
Frequently asked questions about Sierra Leone's population
How many people are projected to live in Sierra Leone in 2075?
UN projections put Sierra Leone's population at 15,507,865 in 2075.
Is the population of Sierra Leone increasing or decreasing?
Yes, growing: up 5.3% from 2065, with a projected population of 12,948,325 in 2050.
How old is the population of Sierra Leone?
The median age in Sierra Leone is 33.8 years — half the population is younger, half older.
How many children and older people live in Sierra Leone?
10.5% of Sierra Leone's population is 65 or older, and 22.2% is under 15.
What type of population pyramid does Sierra Leone have?
Sierra Leone's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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