“In the year 800, traditional estimates say that about 90 percent of our species lived in the temperate belt of Africa and Eurasia, somewhere north of the equator, and another 6 percent lived in sub-Saharan Africa, mostly along the perimeter of the continent. The Americas supposedly had about 3 percent of the world’s population, although that number is pretty speculative and much disputed.”
―
Tamim Ansary,
The Invention of Yesterday: A 50,000-Year History of Human Culture, Conflict, and Connection