| Date | Study | StudyURL | Source | Website | Population | PopulationDensity | CountryId |
|---|---|---|---|---|---|---|---|
| 12/31/2015 | 12/31/2015 Sierra Leone Census (pdf) | https://www.statistics.sl/wp-content/uploads/2016/06/2015-Census-Provisional-Result.pdf | Statistics Sierra Leone | http://www.statistics.sl/ | 7075000 | Sierra Leone |