From the beginning of time, approximately how many humans have inhabited the earth?

Answer 1

I read somewhere that 60 billion people have lived throughout the history of the race.

That sounds about right to me.

Answer 2

Demographers have come up with estimates ranging between 69 billion and 110 billion humans. This gives us a spread of 41 billion, a pretty formidable margin of error.

Another complication, among scientists at least, is that we do not know precisely when our primate ancestors became human. Many researchers have arbitrarily settled on one million years ago, even though our own subset of the genus Homo, H. sapiens sapiens, did not emerge until around 40,000 years ago.

If the paleolithic crowd (1 million years to 25,000 years ago) strikes you as too crude for admission to the communion of saints, subtract 36 billion or so from the figures above.

Answer 3

15 billion!
How come?
There is a mathematical rule that the number of the people alive equals the number of the people dead!
Incorporating extended wars and plaques, I came with this number, which can not be higher that 17, anyways!

Answer 4

too many