Environment - international agreements: party to : Biodiversity, Climate Change, Environmental Modification, Hazardous Wastes, Law of the Sea, Nuclear Test Ban, Ozone Layer Protection signed, but not ratified: none of the selected agreements
Geography - note: controls Bab el Mandeb, the strait linking the Red
Sea and the Gulf of Aden, one of world's most active shipping lanes
@Yemen:People
Population: 13,972,477 (July 1997 est.) note: other estimates range as high as 16.6 million
Age structure: 0-14 years: 48% (male 3,421,216; female 3,237,594) 15-64 years : 49% (male 3,454,912; female 3,479,395) 65 years and over: 3% (male 162,600; female 216,760) (July 1997 est.)
Population growth rate: 3.57% (1997 est.)
Birth rate: 44.83 births/1,000 population (1997 est.)
Death rate: 9.17 deaths/1,000 population (1997 est.)
Net migration rate: 0 migrant(s)/1,000 population (1997 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years : 0.99 male(s)/female 65 years and over: 0.75 male(s)/female total population: 1.02 male(s)/female (1997 est.)