Australia is 38,901 times larger than American Samoa.
Area: 199 km2 World Factbook
Population: 54,517 (July 2014) World Factbook
American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of Samoa. American Samoa consists of 5 main islands and 2 coral atolls. Wikipedia
Area: 7,741,220 km2 World Factbook
Population: 22,507,617 (July 2014) World Factbook
Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the world's sixth-largest country by total area. Wikipedia