Net migration rate: 6.32 migrant(s)/1,000 population note: by the end of 1999 refugees from Sierra Leone are assumed to be returning (2002 est.)
Sex ratio: at birth: 1.03 male(s)/female under 15 years: 0.96 male(s)/female 15-64 years: 0.91 male(s)/female 65 years and over: 0.96 male(s)/female total population: 0.94 male(s)/female (2002 est.)
Infant mortality rate: 144.38 deaths/1,000 live births (2002 est.)
Life expectancy at birth: 49.01 years (2002 est.) male: Total fertility rate: 5.94 children born/woman (2002 est.)
HIV/AIDS - adult prevalence rate: 2.99% (1999 est.)
HIV/AIDS - people living with HIV/AIDS: 68,000 (1999 est.)
HIV/AIDS - deaths: 8,200 (1999 est.)
Nationality: noun: Sierra Leonean(s) adjective: Sierra Leonean
Ethnic groups: 20 native African tribes 90% (Temne 30%, Mende 30%, other 30%), Creole (Krio) 10% (descendants of freed Jamaican slaves who were settled in the Freetown area in the late-18th century), refugees from Liberia's recent civil war, small numbers of Europeans, Lebanese, Pakistanis, and Indians
Religions: Muslim 60%, indigenous beliefs 30%, Christian 10%