13353099, I agree more than are living but that’s not a good model Posted by rob, Wed Oct-23-19 02:34 PM
People alive have shared ancestors, and more likely to have shared ancestors as you go back.
I think the most interesting part of the question would be where you would decide the cut off was for first humans. Even though there were way less people around at any given time in the deep past, you can fit so many life times into a hundred thousand years.
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