Australia produces more wool than any other country in the world. Farmland covers about 65 percent of Australia, but most of it is dry grazing land. Australia is the third-largest exporter of wheat in the world. Other important crops include sugar cane, barley, oats, potatoes, grapes, rice, sorghum, and cotton. Crops are grown on only about 5 percent of the farmland.
Mining is important to Australia.
The country is the world's largest exporter of black coal, bauxite, diamonds and mineral sands. It also exports iron ore, uranium, aluminum, gold, copper, tin and silver. Australia produces most of the world's finest opals. Australia is a leader in the research and production of livestock vaccines and pet-care medicines. The country also produces airline fueling pumps.