Net migration rate: 0 migrants/1,000 population (1990)
Infant mortality rate: 154 deaths/1,000 live births (1990)
Life expectancy at birth: 42 years male, 47 years female (1990)
Total fertility rate: 6.2 children born/woman (1990)
Nationality: noun—Sierra Leonean(s); adjective—Sierra Leonean
Ethnic divisions: 99% native African (30% Temne, 30% Mende); 1% Creole,
European, Lebanese, and Asian; 13 tribes
Religion: 30% Muslim, 30% indigenous beliefs, 10% Christian, 30% other or none
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
Literacy: 31% (1986)
Labor force: 1,369,000 (est.); 65% agriculture, 19% industry, 16% services (1981); only about 65,000 earn wages (1985); 55% of population of working age