Natural hazards: periodic droughts, floods; dust storms, sandstorms; earthquakes along western border and in the northeast
Environment - current issues: air pollution, especially in urban areas, from vehicle emissions, refinery operations, and industrial effluents; deforestation; overgrazing; desertification; oil pollution in the Persian Gulf; inadequate supplies of potable water
Environment - international agreements: party to: Biodiversity, Climate Change, Desertification, Endangered Species, Hazardous Wastes, Marine Dumping, Nuclear Test Ban, Ozone Layer Protection, Wetlands signed, but not ratified: Environmental Modification, Law of the Sea, Marine Life Conservation
@Iran:People
Population: 65,619,636 (July 2000 est.)
Age structure: 0-14 years: 34% (male 11,542,446; female 11,035,705) 15-64 years: 61% (male 20,151,083; female 19,879,432) 65 years and over: 5% (male 1,592,753; female 1,418,217) (2000 est.)
Population growth rate: 0.83% (2000 est.)
Birth rate: 18.29 births/1,000 population (2000 est.)
Death rate: 5.45 deaths/1,000 population (2000 est.)
Net migration rate: -4.55 migrant(s)/1,000 population (2000 est.)