Sierra Leone Population 2026

Sierra Leone, a country in Sub-Saharan Africa classified as low income, has an estimated population of 8,642,022 as of 2025. This figure reflects continued demographic expansion in a nation that remains one of the world's least developed. The population ranks 101st globally, highlighting its moderate size relative to other countries.

Population
8,642,022
Estimate for 2026
Global rank
#101
Among all countries
1-year growth
+2.15%
10-year avg growth
+2.31%
Region
Sub-Saharan Africa
Income group
Low income

Population Trend (Sierra Leone)

Population by Decade

Population milestones

How Sierra Leone's population changed across key years (World Bank estimates).

19904,196,828
20004,423,611++5.40% since 1990
20106,222,714++40.67% since 2000
20207,912,558++27.16% since 2010
20248,642,022++9.22% since 2020

Overview

Sierra Leone's population is growing steadily, with a one-year growth rate of 2.15% in 2025, slightly below its 10-year average annual growth rate of 2.31%. This consistent growth aligns with trends common in low-income Sub-Saharan African nations, where high fertility rates and declining mortality drive population increase. The country's demographic profile is youthful, with a significant proportion of the population under the age of 25, contributing to sustained growth momentum despite periodic economic challenges and health crises.

Key Facts

  • Latest population (2025): 8,642,022
  • Annual growth rate (2025): 2.15%
  • 10-year average annual growth rate: 2.31%
  • Global population rank: #101
  • Income group classification: Low income
  • Region: Sub-Saharan Africa

Frequently Asked Questions

What is the population of Sierra Leone in 2025?
The population of Sierra Leone in 2025 is estimated at 8,642,022.
What is the population growth rate of Sierra Leone?
As of 2025, Sierra Leone has a one-year growth rate of 2.15%, and a 10-year average annual growth rate of 2.31%.
What is Sierra Leone's global population rank?
Sierra Leone ranks 101st in the world by population.
Is Sierra Leone a low-income country?
Yes, Sierra Leone is classified as a low-income country by the World Bank.
Which region does Sierra Leone belong to?
Sierra Leone is located in Sub-Saharan Africa.

Data sources & terms