Population of Sierra Leone

Population - June 2026 9,321,854 #100 worldwide Bandera of Sierra Leone
Annual Growth 188,088 #63 worldwide
Median Age 20 years #198 worldwide
Life Expectancy 61.6 years #226 worldwide
Density 130.4 p/km² #99 worldwide

As of June 2026, the population of Sierra Leone is 9.3 million. The number of inhabitants has increased by 188 thousand in the last year, representing a growth of 2.05%. The median age of the population has increased in recent years, rising from 17.9 years in 2016 to 20 years in 2026. Currently, life expectancy at birth is 61.6 years and population density is 130.4 inhabitants per square kilometer.

Population Growth

The population growth rate of Sierra Leone peaked in 2001, reaching around 7.18% annually, but has since declined to approximately 2.01% in 2026. The annual increase in the number of people has also decreased from a peak of around 348.57 thousand in 2001 to nearly 188.09 thousand in 2026.

Life Expectancy

In Sierra Leone, life expectancy at birth has been increasing, with the indicator rising from 49.3 years in 2006 to 61.6 years in 2026, representing an increase of more than 12 years over the past 2 decades.

Most populous cities in Sierra Leone

The cities of Sierra Leone are mostly small, but 4 stand out with more than 100 thousand inhabitants. The most populous city is Freetown, Western Area, con una diferencia significativa sobre las demás, alcanzando approximately 802.6 thousand inhabitants. It is followed by Kenema, Eastern Province with 255.1 thousand and Bo, Southern Province with 233.7 thousand.

These are the 20 most populous cities in Sierra Leone:

# City Population
1 Freetown, Western Area 802,639
2 Kenema, Eastern Province 255,110
3 Bo, Southern Province 233,684
4 Koidu, Eastern Province 128,030
5 Makeni, Northern Province 85,116
6 Waterloo, Western Area 55,000
7 Port Loko, North West 44,900
8 Njala, Southern Province 40,000
9 Lunsar, Northern Province 22,461
10 Goderich, Western Area 19,209
# City Population
11 Kabala, Northern Province 17,948
12 Segbwema, Eastern Province 16,532
13 Bumpe, Southern Province 16,123
14 Mile 91, Northern Province 15,491
15 Magburaka, Northern Province 14,915
16 Kailahun, Eastern Province 14,085
17 Binkolo, Northern Province 13,867
18 Yengema, Eastern Province 13,358
19 Rokupr, Northern Province 12,744
20 Gandorhun, Southern Province 12,288