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The population of Sierra Leone is estimated by the United Nations to be 0.0 million in 2021.
The population of Sierra Leone grew at N/A% in the last year and is ranked the 32th most populated country in Africa, ahead of Libya.
Population data for Sierra Leone has been rated as Grade C - Unreliable for Many Purposes. The primary reasons being that Sierra Leone last conducted a national census in 2015 and 90.4% of births in Sierra Leone are recorded.
Sierra Leone last conducted a national census in 2015 and 90.4% of births are recorded.
Sierra Leone's data quality ranks 93rd out of 150 countries in the World Economics Global Population Data Quality Ratings. In the Africa region, Sierra Leone ranks 11th for the region.
It is important to have good quality population data as this impacts other key indicators such as GDP per capita. See the World Economics Wealth Indicators for re-estimated wealth levels for Sierra Leone.