World Economics subscribers can view, download and compare data quality for 150+ countries.World Economics developed the Data Quality Ratings to review the usefulness of official population data of individual countries.This can be used to determine risk and inform investment decisions.
The population of Sierra Leone is estimated to be 8.5 million in 2023 using United Nations estimates.
Sierra Leone's grew at 2.0% in the last year and is ranked the 32th most populated country in Africa, ahead of Libya.
Sierra Leone last conducted a national census in 2015 and 90.4% of births are recorded. Read more from the World Econcomics Population Data Quality Ratings and see how Sierra Leone compares to other countries around the globe and in Africa.