Population:
22,858,238 (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:
2.786% (2009 est.)

Birth rate:
35.32 births/1,000 population (2009 est.)

Death rate:
7.46 deaths/1,000 population (July 2009 est.)

Net migration rate:
NA (2009 est.)

Urbanization:
urban population: 31% of total population (2008)
rate of urbanization: 4.9% annual rate of change (2005-10 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: 58.4 deaths/1,000 live births
male: 63.18 deaths/1,000 live births
female: 53.39 deaths/1,000 live births (2009 est.)

Life expectancy at birth:
total population: 63 years
male: 61.01 years
female: 65.08 years (2009 est.)

Total fertility rate:
5 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

Major infectious diseases:
degree of risk: high
food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases: dengue fever and malaria
water contact disease: schistosomiasis (2009)

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.)

School life expectancy (primary to tertiary education):
total: 9 years
male: 11 years
female: 7 years (2005)

Education expenditures:
9.6% of GDP (2001)