Population: 16,942,230 (July 1999 est.)

Age structure:
0-14 years: 48% (male 4,118,292; female 3,971,886)
15-64 years: 49% (male 4,243,809; female 4,065,429)
65 years and over: 3% (male 278,133; female 264,681) (1999 est.)

Population growth rate: 3.34% (1999 est.)

Birth rate: 43.31 births/1,000 population (1999 est.)

Death rate: 9.88 deaths/1,000 population (1999 est.)

Net migration rate: 0 migrant(s)/1,000 population (1999 est.)

Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 1.05 male(s)/female
total population: 1.04 male(s)/female (1999 est.)

Infant mortality rate: 69.82 deaths/1,000 live births (1999 est.)

Life expectancy at birth:
total population: 59.98 years
male: 58.17 years
female: 61.88 years (1999 est.)

Total fertility rate: 7.06 children born/woman (1999 est.)

Nationality:
noun: Yemeni(s)
adjective: Yemeni

Ethnic groups: predominantly Arab; Afro-Arab concentrations in western coastal locations; South Asians in southern regions; small European communities in major metropolitan areas

Religions: Muslim including Shaf'i (Sunni) and Zaydi (Shi'a), small numbers of Jewish, Christian, and Hindu

Languages: Arabic

Literacy:
definition: age 15 and over can read and write
total population: 38%
male: 53%
female: 26% (1990 est.)