Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2018

Sierra Leone
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2018
Population: 7,554,562

Year

-5 -1   2018  +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 2018

As of 2018, Sierra Leone counted 7,554,563 inhabitants. Over the previous ten years the population grew by 28.2%, up from 5,894,723 in 2008.

Half of the population was younger than 19.2 years; 40.6% were children under 15 and 3.1% were 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 #102 of 201 by population Ranks #167 of 201 by median age Ranks #45 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
7,554,563
Median age
19.2
0-14 %
40.6%
65+ %
3.1%
Child dependency
72.2
Old-age dependency
5.6
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 7,554,563 19.2
Togo 8,258,778 19.4
Liberia 4,944,726 18.8
Mauritania 4,337,685 17.8
Benin 12,383,348 18.3
Frequently asked questions about Sierra Leone's population
What was the population of Sierra Leone in 2018?
Sierra Leone had a population of 7,554,563 in 2018.
Is Sierra Leone's population growing or shrinking?
Yes, growing: up 28.2% from 2008, with a projected population of 12,948,325 in 2050.
How old is the population of Sierra Leone?
Sierra Leone's median age is 19.2 years.
How many children and older people live in Sierra Leone?
3.1% of Sierra Leone's population is 65 or older, and 40.6% 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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Immigration statistics per countries
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List of countries ordered by their population size
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Origin of the migrants stocks per country
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Population Projections
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Population Growth Map per Year
Population Growth Map per Year