The changing categories the U.S. census has used to measure race

Beginning in 1890, the census included a complete count of American Indians on tribal land and reservations. In 1960, categories for Aleut and Eskimo were added in Alaska only. Since 2000, the …Beginning in 1890, the census included a complete count of American Indians on tribal land and reservations. In 1960, categories for Aleut and Eskimo were added in Alaska only. Since 2000, the …