Pre-Columbian population

Population overview

Pre-Columbian population figures are difficult to estimate because of the fragmentary nature of the evidence. Estimates range from 8–112 million. Scholars have varied widely on the estimated size of the Indigenous populations prior to colonization and on the effects of European contact. Estimates are made by extrapolations from small bits of data. In 1976, geographer William Denevan used the existing estimates to derive a "consensus count" of about 54 million people. Nonetheless, more recent estimates still range widely. In 1992, Denevan suggested that the total population was approximately 53.9 million and the populations by region were, approximately, 3.8 million for the United States and Canada, 17.2 million for Mexico, 5.6 million for Central America, 3 million for the Caribbean, 15.7 million for the Andes and 8.6 million for lowland South America. A 2020 genetic study suggests that prior estimates for the pre-Columbian Caribbean population may have been at least tenfold too large. Historian David Stannard estimates that the extermination of Indigenous peoples took the lives of 100 million people: "...the total extermination of many American Indian peoples and the near-extermination of others, in numbers that eventually totaled close to 100,000,000." A 2019 study estimates the pre-Columbian Indigenous population contained more than 60 million people, but dropped to 6 million by 1600, based on a drop in atmospheric CO₂ during that period. Other studies have disputed this conclusion.