Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2099

Sierra Leone
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2099
Population: 15,952,535

Year

-5 -1   2099  +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 2099

In 2099, Sierra Leone is projected to have a population of 15,952,536 people. The total would be almost unchanged from 2089 (15,986,028).

With a projected median age of 38.2 years, Sierra Leone would have a youth dependency ratio of 28.9 and an old-age dependency ratio of 23.3 per 100 people of working age. The near-vertical sides of the pyramid indicate a stationary age structure, with births roughly balancing the passage of cohorts into older age.

Ranks #87 of 201 by population Ranks #153 of 201 by median age Ranks #76 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
15,952,536
Median age
38.2
0-14 %
19.0%
65+ %
15.3%
Child dependency
28.9
Old-age dependency
23.3
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 15,952,536 38.2
Mauritania 17,013,070 35.5
Liberia 12,647,182 36.1
Togo 26,145,662 33.1
Gambia 5,701,721 39.7
Frequently asked questions about Sierra Leone's population
What will the population of Sierra Leone be in 2099?
Sierra Leone is projected to have a population of 15,952,536 in 2099.
Is Sierra Leone's population growing or shrinking?
It has been roughly stable since 2089, with a projected population of 12,948,325 in 2050.
What is the median age in Sierra Leone?
The median age in Sierra Leone is 38.2 years — half the population is younger, half older.
How many children and older people live in Sierra Leone?
In Sierra Leone, 19.0% of people are under 15 and 15.3% are 65 or older.
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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