Irrigated land: 250 sq km (1993 est.)
Natural hazards: avalanches, landslides, flash floods
Environment - current issues: air pollution from vehicle emissions and open-air burning; acid rain; water pollution from increased use of agricultural fertilizers; loss of biodiversity
Environment - international agreements: party to: Air Pollution, Air Pollution-Nitrogen Oxides, Air Pollution-Sulphur 85, Air Pollution-Sulphur 94, Air Pollution-Volatile Organic Compounds, Antarctic Treaty, Biodiversity, Climate Change, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Marine Dumping, Marine Life Conservation, Nuclear Test Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94, Wetlands, Whaling signed, but not ratified: Air Pollution-Persistent Organic Pollutants, Antarctic-Environmental Protocol, Climate Change-Kyoto Protocol, Law of the Sea
Geography - note: landlocked; crossroads of northern and southern Europe; along with southeastern France and northern Italy, contains the highest elevations in Europe
@Switzerland:People
Population: 7,262,372 (July 2000 est.)
Age structure: 0-14 years: 17% (male 637,782; female 605,626) 15-64 years: 68% (male 2,498,540; female 2,421,802) 65 years and over: 15% (male 444,627; female 653,995) (2000 est.)
Population growth rate: 0.3% (2000 est.)
Birth rate: 10.4 births/1,000 population (2000 est.)