… — of Black people, Hispanics and Native Americans. Undercounts occur when residents don … rate of 3.3%, and Native Americans living on reservations were undercounted … Americans by more than 2%, Native Americans by 4.9%; and those …… — of Black people, Hispanics and Native Americans. Undercounts occur when residents don … rate of 3.3%, and Native Americans living on reservations were undercounted … Americans by more than 2%, Native Americans by 4.9%; and those …