Has anyone ever .....

April 2, 2007 10:37pm CST
figured out how many people have ever lived from when man 1st walked the Earth to the present? We know how many people are on the Earth today. How many have ever lived on it?
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@judyt00 (3504)
• Canada
3 Apr 07
That depends entirely on when you figure the first man walked on earth. but probably its impossible. since we don't know how long people lived or how many children survived to adult Ther coulf have been more than 100 billion , though or possibly as few as 20 billion