My World Factbook
(Learn more about the new, improved World Factbook)
Note: Most information adapted from the popular World Factbook is distributed between the websites GeoWorld (geography, people, communications & transportation), Politix (government) and Great Depression II (economy).
People
5,245,695 (July 2010 est.)
country comparison to the world: 
113
0-14 years: 41.7% (male 1,060,463/female 1,081,333)
15-64 years: 54.7% (male 1,344,650/female 1,461,203)
65 years and over: 3.6% (male 83,595/female 100,894) (2010 est.)
total: 19 years
male: 18.6 years
female: 19.5 years (2010 est.)
2.216% (2010 est.)
country comparison to the world: 38
38.79 births/1,000 population (2010 est.)
country comparison to the world: 15
11.97 deaths/1,000 population (July 2010 est.)
country comparison to the world: 31
-4.66 migrant(s)/1,000 population
country comparison to the world: 198
note: refugees currently in surrounding countries are slowly returning (2010 est.)
urban population: 38% of total population (2008)
rate of urbanization: 2.9% annual rate of change (2005-10 est.)
at birth: 1.03 male(s)/female
under 15 years: 0.98 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 0.94 male(s)/female (2010 est.)
total: 80.16 deaths/1,000 live births
country comparison to the world: 13
male: 89.06 deaths/1,000 live births
female: 70.99 deaths/1,000 live births (2010 est.)
total population: 55.69 years
country comparison to the world: 197
male: 53.27 years
female: 58.18 years (2010 est.)
4.97 children born/woman (2010 est.)
country comparison to the world: 24
1.7% (2007 est.)
country comparison to the world: 37
55,000 (2007 est.)
country comparison to the world: 62
3,300 (2007 est.)
country comparison to the world: 54
degree of risk: very high
food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases: malaria and yellow fever
water contact disease: schistosomiasis
aerosolized dust or soil contact disease: Lassa fever (2009)
noun: Sierra Leonean(s)
adjective: Sierra Leonean
Temne 35%, Mende 31%, Limba 8%, Kono 5%, Kriole 2% (descendants of freed Jamaican slaves who were settled in the Freetown area in the late-18th century; also known as Krio), Mandingo 2%, Loko 2%, other 15% (includes refugees from Liberia’s recent civil war, and small numbers of Europeans, Lebanese, Pakistanis, and Indians) (2008 census)
Muslim 60%, Christian 10%, indigenous beliefs 30%
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%)
definition: age 15 and over can read and write English, Mende, Temne, or Arabic
total population: 35.1%
male: 46.9%
female: 24.4% (2004 est.)
total: 7 years
male: 9 years
female: 6 years (2001)
3.8% of GDP (2005)
country comparison to the world: 114
The Shock Doctrine: The Rise of Disaster Capitalism - 
