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Population · Africa · 2025 data

Flag of Sierra LeoneSierra Leone Population

Sierra Leone had a population of 8.82 million in 2025, ranking #100 of 216 countries and territories (0.11% of the world). The population grew by 25.3% over the past ten years.

8.82 million
Population (2025) · #100
+2.04%
Annual growth
120
People per km²
46%
Live in cities

Population of Sierra Leone, 1960–2025

Values in millions · World Bank Open Data (CC BY 4.0)

Population by year (table)
YearPopulationChange
20258,819,794+2.06%
20248,642,022+2.15%
20238,460,512+2.22%
20228,276,807+2.25%
20218,094,602+2.30%
20207,912,558+2.34%
20197,731,991+2.35%
20187,554,563+2.38%
20177,379,299+2.41%
20167,205,328+2.38%
20157,037,655+2.35%
20146,876,385+2.42%
20136,714,051+2.49%
20126,551,080+2.56%
20116,387,251+2.64%
20106,222,714+2.76%
20096,055,646+2.73%
20085,894,722+2.53%
20075,749,352+2.22%
20065,624,466+2.23%
20055,501,712+2.73%
20045,355,717+3.44%
20035,177,687+4.15%
20024,971,435+5.94%
20014,692,716+6.08%
20004,423,611+2.44%
19994,318,043+0.52%
19984,295,785+0.99%
19974,253,716+1.30%
19964,199,210+0.48%
19954,179,179+0.15%
19944,173,105+0.38%
19934,157,130-0.22%
19924,166,366-1.88%
19914,246,267+1.18%
19904,196,828+4.04%
19894,034,037+2.53%
19883,934,517+2.74%
19873,829,718+2.72%
19863,728,380+2.47%
19853,638,438+2.24%
19843,558,758+2.21%
19833,481,646+2.16%
19823,408,183+2.07%
19813,338,940+2.04%
19803,272,089+2.01%
19793,207,499+1.97%
19783,145,517+1.95%
19773,085,354+1.87%
19763,028,820+1.82%
19752,974,657+1.86%
19742,920,459+1.87%
19732,866,955+1.87%
19722,814,388+1.85%
19712,763,222+1.88%
19702,712,286+1.91%
19692,661,365+1.91%
19682,611,532+1.92%
19672,562,384+1.90%
19662,514,638+1.86%
19652,468,666+1.83%
19642,424,390+1.77%
19632,382,258+1.71%
19622,342,242+1.65%
19612,304,227+1.58%
19602,268,356—

Demographics of Sierra Leone

62.0
Life expectancy (years)
3.70
Births per woman (above replacement)
3.3%
Aged 65 and over
19.7 years
Median age

Ethnic groups

Temne 35.4%, Mende 30.8%, Limba 8.8%, Kono 4.3%, Korankoh 4%, Fullah 3.8%, Mandingo 2.8%, Loko 2%, Sherbro 1.9%, Creole 1.2% (descendants of freed Jamaican slaves who were settled in the Freetown area in the late-18th century; also known as Krio), other 5% (2019 est.)

Languages

English (official, regular use limited to literate minority), Mende (principal vernacular in the south), Temne (principal vernacular in the north), Krio (English-based Creole, spoken by the descendants of freed Jamaican slaves; a first language for 10% of the population but understood by 95%)

Religions

Muslim 77.1%, Christian 22.9% (2019 est.)

Where people live

Urban population: 44.3% of total population (2023).

Largest cities

1
Freetown Capital
1.3 million

Sierra Leone and its neighbours

#100Flag of Sierra Leone8.8 million
#74Flag of Guinea15.1 million
#116Flag of Liberia5.7 million

Frequently asked questions about the population of Sierra Leone

What is the population of Sierra Leone?

Sierra Leone had a population of 8.82 million in 2025, ranking #100 of 216 countries and territories (0.11% of the world).

Is the population of Sierra Leone growing?

Yes. The population grew by 25.3% over the past ten years. Annual growth in 2025: 2.04%.

How has the population of Sierra Leone changed since 1960?

It has grown 3.9-fold, from 2.27 million in 1960 to 8.82 million in 2025.

How densely populated is Sierra Leone?

About 120 people per km² of land (2024).

What is the largest city in Sierra Leone?

Freetown — about 1.3 million people in its urban area, and it is also the capital.

Population and demographics: World Bank Open Data (CC BY 4.0). Cities, ethnic groups, languages and religions: CIA World Factbook (public domain).