According to the 2010 Census Population and Housing Tables, the three largest tribal groups among American Indians and Alaska Natives are:

1. Cherokee: 819,705
2. Navajo: 332,129
3. Choctaw: 195,764





Below, is a map of where the different major Native American tribes resided around the year 1400:
                                                                  


The Great plains seemed to be home to most of the larger tribes.

Today, Native Americans make up over 500 groups of federally recognized in the United States.  Each group is culturally diverse in their health care practices as well as their traditions.