Located in the southern hemisphere, Australia has the world's fourteenth largest economy. It is rich in natural resources and is the world's largest producer of iron ore, gold, and uranium. Australia is also one of the world's leading exporters of wool, meat, wheat, and cotton. The service industry occupies a dominant position in the Australian economy. The fastest-growing ones are business and financial services. Travel and tourism-related to secondary and higher education are also important industries in Australia.