| Population |
5,883,889 (July 2004 est.) |
| Age structure |
0-14 years: 44.8% (male 1,291,621; female 1,343,827)
15-64 years: 52% (male 1,458,610; female 1,599,109)
65 years and over: 3.2% (male 91,232; female 99,490) (2004 est.) |
| Median age |
total: 17.5 years
male: 17.2 years
female: 17.8 years (2004 est.) |
| Population growth rate |
2.27% (2004 est.) |
| Birth rate |
43.34 births/1,000 population (2004 est.) |
| Death rate |
20.62 deaths/1,000 population (2004 est.) |
| Net migration rate |
0 migrant(s)/1,000 population
note: refugees currently in surrounding countries are slowly returning (2004 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: 0.92 male(s)/female
total population: 0.93 male(s)/female (2004 est.) |
| Infant mortality rate |
total: 145.24 deaths/1,000 live births
female: 127.32 deaths/1,000 live births (2004 est.)
male: 162.64 deaths/1,000 live births |
| Life expectancy at birth |
total population: 42.69 years
male: 40.23 years
female: 45.21 years (2004 est.) |
| Total fertility rate |
5.79 children born/woman (2004 est.) |
| HIV/AIDS - adult prevalence rate |
7% (2001 est.) |
| HIV/AIDS - people living with HIV/AIDS |
170,000 (2001 est.) |
| HIV/AIDS - deaths |
11,000 (2001 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% |
| Languages |
English (official, regular use limited to literate minority), Mende (principal vernacular in the south), Temne (principal vernacular in the north), Krio (English-based Creole, spoken by the descendants of freed Jamaican slaves who were settled in the Freetown area, a lingua franca and a first language for 10% of the population but understood by 95%) |
| Literacy |
conventional long form: republic of sierra leone
conventional short form: sierra leone |