Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world's sixth-largest country by total area. Australia is a highly developed country, with the world's 14th-largest economy. It has a high-income economy, with the world's tenth-highest per capita income. Australia was earlier best known for its natural resources and minerals (Australia is still the largest exporter of coal), but there is a significant shift in the economy based on newer industries and businesses. A large part of Australian economy depends on manufactured goods.