Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2100

Sierra Leone
Afghanistan Africa Albania Algeria Angola Antigua and Barbuda Argentina Armenia Aruba Asia Australia Australia/New Zealand Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia (Plurinational State of) Bosnia and Herzegovina Botswana Brazil Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Caribbean Central African Republic Central America Central Asia Chad Channel Islands Chile China China, Hong Kong SAR China, Macao SAR Colombia Comoros Congo Costa Rica Croatia Cuba Curaçao Cyprus Czech Republic Côte d'Ivoire Dem. People's Republic of Korea Democratic Republic of the Congo Denmark Djibouti Dominican Republic Eastern Africa Eastern Asia Eastern Europe Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Europe Fiji Finland France French Guiana French Polynesia Gabon Gambia Georgia Germany Ghana Greece Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyzstan Lao People's Democratic Republic Latin America and the Caribbean Latvia Least developed countries Lebanon Lesotho Less developed regions Less developed regions, excluding China Less developed regions, excluding least developed countries Liberia Libya Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Melanesia Mexico Micronesia Micronesia (Fed. States of) Middle Africa Mongolia Montenegro More developed regions Morocco Mozambique Myanmar Namibia Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Northern Africa Northern America Northern Europe Norway Oceania Oman Other non-specified areas Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Polynesia Portugal Puerto Rico Qatar Republic of Korea Republic of Moldova Romania Russian Federation Rwanda Réunion Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South America South Sudan South-Central Asia South-Eastern Asia Southern Africa Southern Asia Southern Europe Spain Sri Lanka State of Palestine Sub-Saharan Africa Sudan Suriname Swaziland Sweden Switzerland Syrian Arab Republic TFYR Macedonia Tajikistan Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine United Arab Emirates United Kingdom United Republic of Tanzania United States Virgin Islands United States of America Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Viet Nam Western Africa Western Asia Western Europe Western Sahara World Yemen Zambia Zimbabwe
2100
Population: 15,934,256

Year

-5 -1   2100  +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 2100

In 2100, Sierra Leone is projected to have a population of 15,934,256 people. The projection for 2090 is nearly the same: 15,996,608.

Half of the population would be younger than 38.4 years, with 18.9% children under 15 and 15.5% aged 65 or older. 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 #78 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
15,934,256
Median age
38.4
0-14 %
18.9%
65+ %
15.5%
Child dependency
28.8
Old-age dependency
23.6
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 15,934,257 38.4
Mauritania 17,118,470 35.7
Liberia 12,665,395 36.2
Gambia 5,703,043 39.9
Togo 26,300,754 33.3
Frequently asked questions about Sierra Leone's population
What will the population of Sierra Leone be in 2100?
Sierra Leone is projected to have a population of 15,934,256 in 2100.
Is Sierra Leone's population growing or shrinking?
Sierra Leone's population has been almost unchanged 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 38.4 years — half the population is younger, half older.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 18.9% of people are under 15 and 15.5% 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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