Population: 5,647,168 (July 2009 est.)
Age structure: 0-14 years: 42.8% (male 1,212,848/female 1,202,240) 15-64 years: 53.7% (male 1,483,169/female 1,547,078) 65 years and over: 3.6% (male 92,009/female 109,824) (2009 est.)
Median age: total: 18.4 years male: 18 years female: 18.8 years (2009 est.)
Population growth rate: 2.577% (2009 est.)
Death rate: 8.63 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: 0.96 male(s)/female 65 years and over: 0.84 male(s)/female total population: 0.98 male(s)/female (2009 est.)
Infant mortality rate: total: 43.33 deaths/1,000 live births male: 48.97 deaths/1,000 live births female: 37.51 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 61.78 years male: 59.71 years female: 63.9 years (2009 est.)
Total fertility rate: 4.72 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 1.3% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 38,000 (2007 est.)
HIV/AIDS - deaths: 2,600 (2007 est.)
Nationality: noun: Eritrean(s) adjective: Eritrean
Ethnic groups: Tigrinya 50%, Tigre and Kunama 40%, Afar 4%, Saho (Red Sea coast dwellers) 3%, other 3%
Religions: Muslim, Coptic Christian, Roman Catholic, Protestant
Languages: Afar, Arabic, Tigre and Kunama, Tigrinya, other Cushitic languages
Literacy: definition: age 15 and over can read and write total population: 58.6% male: 69.9% female: 47.6% (2003 est.)