Population: 20,653,556 (July 2009 est.)
Age structure: 0-14 years: 43.5% (male 4,523,033/female 4,460,473) 15-64 years: 53.5% (male 5,483,684/female 5,557,098) 65 years and over: 3% (male 280,677/female 348,591) (2009 est.)
Median age: total: 18 years male: 17.8 years female: 18.2 years (2009 est.)
Population growth rate: 3% (2009 est.)
Death rate: 8.32 deaths/1,000 population (2008 est.)
Net migration rate: NA (2009 est.)
Sex ratio: at birth: 1.03 male(s)/female under 15 years: 1.01 male(s)/female 15-64 years: 0.99 male(s)/female 65 years and over: 0.8 male(s)/female total population: 0.99 male(s)/female (2009 est.)
Infant mortality rate: total: 54.2 deaths/1,000 live births male: 59.12 deaths/1,000 live births female: 49.13 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 62.89 years male: 60.93 years female: 64.91 years (2009 est.)
Total fertility rate: 5.14 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 0.1% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 14,000 (2007 est.)
HIV/AIDS - deaths: fewer than 1,000 (2007 est.)
Nationality: noun: Malagasy (singular and plural) adjective: Malagasy
Ethnic groups: Malayo-Indonesian (Merina and related Betsileo), Cotiers (mixed African, Malayo-Indonesian, and Arab ancestry - Betsimisaraka, Tsimihety, Antaisaka, Sakalava), French, Indian, Creole, Comoran
Religions: indigenous beliefs 52%, Christian 41%, Muslim 7%
Languages: English (official), French (official), Malagasy (official)
Literacy: definition: age 15 and over can read and write total population: 68.9% male: 75.5% female: 62.5% (2003 est.)