Pacific Islander Americans (also known as Oceanian Americans) are Americans who are of Pacific Islander ancestry (or are descendants of the indigenous peoples of Oceania or of Austronesian descent). For its purposes, the United States Census also counts Indigenous Australians as part of this group. Pacific Islander Americans make up 0.5% of the U.S. population including those with partial Pacific Islander ancestry, enumerating about 1.4 million people. The largest ethnic subgroups of Pacific Islander Americans are Native Hawaiians, Samoans, Chamorros, Fijians, Palauans and Tongans.