- Full name: Republic of Sierra Leone
- Population: 5.9 million (UN, 2007)
- Capital City: Freetown
- Major languages: English, Krio (Creole language derived from English) and a range of African languages
- Major religions: Islam, Christianity
- Life expectancy: 41 years (men), 44 years (women) (UN)
- Monetary unit: Leone
- Main exports: Diamonds, rutile, cocoa, coffee, fish
- GNI per capita: US $220 (World Bank, 2006)
- International dialing code: +232
