Natural hazards: sandstorms and dust storms in summer
Environment - current issues: very limited natural fresh water resources; inadequate supplies of potable water; overgrazing; soil erosion; desertification
Environment - international agreements: party to: Biodiversity,
Climate Change, Desertification, Endangered Species, Environmental
Modification, Hazardous Wastes, Law of the Sea, Ozone Layer
Protection
signed, but not ratified: Nuclear Test Ban
Geography - note: strategic location on 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: 18,078,035 (July 2001 est.)
Age structure: 0-14 years: 47.21% (male 4,340,436; female 4,195,076)
15-64 years: 49.79% (male 4,598,301; female 4,402,402)
65 years and over: 3% (male 274,202; female 267,618) (2001 est.)