Navajo
Population history

According to Alonso de Benavides in year 1626 they were so numerous that "in two days over 30,000 Navajos assembled". Apparently they were not less numerous in the early 20th century - Indian Affairs 1910 counted 29,624 Navajos in Arizona and New Mexico (in addition to that the census of 1910 returned also 1,039 Navajos in Utah - for a total of at least 30,663). But the Navajos were a nomadic tribe, roaming over a very large area, so that an absolutely accurate enumeration even in year 1910 would have been an extremely difficult if not impossible task. The U.S. census of 2020 counted 392,962 Navajos in all states and territories.
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