Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2008

Sierra Leone
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2008
Population: 5,894,722

Year

-5 -1   2008  +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 2008

In 2008, Sierra Leone had a total population of 5,894,723 people. Over the previous ten years the population grew by 37.2%, up from 4,295,785 in 1998.

Half of the population was younger than 18.1 years; 43.5% were children under 15 and 3.3% 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 #108 of 201 by population Ranks #170 of 201 by median age Ranks #20 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
5,894,723
Median age
18.1
0-14 %
43.5%
65+ %
3.3%
Child dependency
81.8
Old-age dependency
6.2
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 5,894,723 18.1
Togo 6,368,812 19.0
Liberia 3,821,004 18.4
Mauritania 3,183,269 17.7
Benin 9,228,466 17.7
Frequently asked questions about Sierra Leone's population
How many people lived in Sierra Leone in 2008?
Sierra Leone had a population of 5,894,723 in 2008.
Is Sierra Leone's population growing or shrinking?
Yes, growing: up 37.2% from 1998, 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 18.1 years — half the population is younger, half older.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 43.5% of people are under 15 and 3.3% are 65 or older.
What shape is Sierra Leone's population pyramid, and what does it mean?
Sierra Leone's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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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 Growth Map per Year
Population Growth Map per Year