<Li> Indo - Caribbean Americans </Li> <Li> Indo - Canadians </Li> <P> Indian Americans or Indo - Americans are Americans whose ancestry belongs to any of the many ethnic groups of the Republic of India . Indian Americans comprising 3,456,447 alone and 4,121,994 including mixed race Indian Americans are the country's third - largest Asian group alone or in combination with other races after Chinese Americans and Filipino Americans, according to 2016 American Community Survey data . The U.S. Census Bureau uses the term Asian Indian to avoid confusion with the indigenous peoples of the Americas commonly referred to as American Indians (or Native Americans, or Amerindians). </P> <P> In the Americas, historically, the term "Indian" has been most commonly used to refer to the indigenous people of the continents after European colonization in the 15th century . Qualifying terms such as "American Indian" and "East Indian" were and are commonly used to avoid ambiguity . The U.S. government has since coined the term "Native American" to refer to the indigenous peoples of the United States, but terms such as "American Indian" remain popular among both indigenous and non-indigenous populations . Since the 1980s, Indian Americans have been categorized as "Asian Indian" (within the broader subgroup of Asian American) by the United States Census Bureau . </P>

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