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Hominids with the same anatomy as modern humans first appear in the fossil records about 200,000 years ago. They existed alongside earlier species that became extinct, as well â¦ as with the separate Neanderthals, with whom some interbreeding may have occurred. Answered.
No one knows the population of the earliest humans, but there may have been only a few tens of thousands of individuals when the species Homo sapiens first emerged 200,000 years ago. Today more than 6 billion human beings inhabit the earth.