[driftless2]

Depends on which historian you read. I’ve read estimates of about five to seven million on the North American continent which seems more likely. Most Indians didn’t live in huge cities where most population growth takes place. I’d say the five million estimate is closest to the truth.

[Eric in the Ozarks]

I worked my way through “1493” and am now reading the first of this series titled “1491.” Both by Charles Mann.
According to Mann's research, some of the old Spanish records indicate more than five million Mexica in the Mexico City basin alone...