The Number of the Day: 105.7 Billion

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The total number of humans born since 50,000 BC is estimated at 105.7 billion.

Related Link: For the next two weeks, we'll be pulling Numbers of the Day from the beautiful and fascinating National Geographic Answer Book, which hits stores today. You can order your copy from the National Geographic Store.

[See previous Numbers of the Day here.]

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September 20, 2010 - 10:10pm
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