562
People have lived in the Americas for thousands of years. Within the U.S., there are 562 Native American tribes. The largest are Navajo, Cherokee and Sioux. More than 3 million people in the U.S. are Native people.
These people would come to be called Native Americans, numbering over 50 million, and settling from the top of North America to the bottom of South America. By the time Christopher Columbus reached the Caribbean in 1492, historians estimate that there were 10 million indigenous peoples living in U.S. territory.
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