Environment—current issues: soil erosion from overgrazing, industrial development, urbanization, and poor farming practices; soil salinity rising due to the use of poor quality water; desertification; clearing for agricultural purposes threatens the natural habitat of many unique animal and plant species; the Great Barrier Reef off the northeast coast, the largest coral reef in the world, is threatened by increased shipping and its popularity as a tourist site; limited natural fresh water resources
Environment—international agreements:
party to: Antarctic-Environmental Protocol, Antarctic Treaty,
Biodiversity, Climate Change, Endangered Species, Environmental
Modification, Hazardous Wastes, Law of the Sea, 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: Climate Change-Kyoto Protocol,
Desertification
Geography—note: world's smallest continent but sixth-largest country; population concentrated along the eastern and southeastern coasts; regular, tropical, invigorating, sea breeze known as "the Doctor" occurs along the west coast in the summer
People
Population: 18,783,551 (July 1999 est.)
Age structure:
0-14 years: 21% (male 2,023,569; female 1,926,901)
15-64 years: 66% (male 6,317,045; female 6,172,735)
65 years and over: 13% (male 1,022,485; female 1,320,816) (1999 est.)
Population growth rate: 0.9% (1999 est.)
Birth rate: 13.21 births/1,000 population (1999 est.)
Death rate: 6.9 deaths/1,000 population (1999 est.)
Net migration rate: 2.66 migrant(s)/1,000 population (1999 est.)