_#_Birth rate: 46 births/1,000 population (1991)
_#_Death rate: 20 deaths/1,000 population (1991)
_#_Net migration rate: 0 migrants/1,000 population (1991)
_#_Infant mortality rate: 151 deaths/1,000 live births (1991)
_#_Life expectancy at birth: 42 years male, 48 years female (1991)
_#_Total fertility rate: 6.1 children born/woman (1991)
_#_Nationality: noun—Sierra Leonean(s); adjective—Sierra Leonean
_#_Ethnic divisions: native African 99% (Temne 30%, Mende 30%); Creole, European, Lebanese, and Asian 1%; 13 tribes
_#_Religion: Muslim 30%, indigenous beliefs 30%, Christian 10%, other or none 30%
_#_Language: English (official); regular use limited to literate minority; principal vernaculars are Mende in south and Temne in north; Krio is the language of the resettled ex-slave population of the Freetown area and is lingua franca