Number Of Humans Who Have Ever Lived

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How many humans have ever lived on Earth?

About 96,100,000,000 people have lived on Earth

According to a scientific calculation originally proposed by Nathan Keyfitz, the number of people who have ever lived on Earth may have reached 96,100,000,000 as of June 1999. Professor Tom Ramsey of the University of Hawaii updated this calculation. The estimate is for people who have lived from 1,000,000 BC up to the present.

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