Population: 23,822,783 (July 2009 est.)
Age structure: 0-14 years: 46.2% (male 5,602,590/female 5,398,103) 15-64 years: 51.3% (male 6,212,378/female 6,009,401) 65 years and over: 2.5% (male 288,501/female 311,810) (2009 est.)
Median age: total: 16.8 years male: 16.7 years female: 16.8 years (2009 est.)
Population growth rate: 3.453% (2009 est.)
Death rate: 7.83 deaths/1,000 population (2008 est.)
Net migration rate: NA (2009 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 1.03 male(s)/female 65 years and over: 0.92 male(s)/female total population: 1.03 male(s)/female (2009 est.)
Infant mortality rate: total: 54.7 deaths/1,000 live births male: 59.12 deaths/1,000 live births female: 50.07 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 63.27 years male: 61.3 years female: 65.33 years (2009 est.)
Total fertility rate: 6.32 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 0.1% (2001 est.)
HIV/AIDS - people living with HIV/AIDS: 12,000 (2001 est.)
HIV/AIDS - deaths: NA
Nationality: noun: Yemeni(s) adjective: Yemeni
Ethnic groups: predominantly Arab; but also Afro-Arab, South Asians, Europeans
Religions: Muslim including Shaf'i (Sunni) and Zaydi (Shia), small numbers of Jewish, Christian, and Hindu
Languages: Arabic
Literacy: definition: age 15 and over can read and write total population: 50.2% male: 70.5% female: 30% (2003 est.)