Benin vs Sierra Leone: Population in largest city
Benin
1.38 million
in 2025
Sierra Leone
1.39 million
in 2025
Benin rank
110th
Sierra Leone rank
109th
Population in largest city over time
- Benin
- Sierra Leone
How they compare
Sierra Leone currently reports 1.39 million against 1.38 million in Benin, a difference of 12,140.
Across all 66 years both countries report, Sierra Leone has been ahead every year.
Globally, Benin ranks 110th and Sierra Leone ranks 109th of 153 countries.
Individual pages
About this data
Population in largest city is the urban population living in the country's largest metropolitan area.