Did you know? Pop. of Niger (22.77million) is 4 x Pop. of Santiago, Chile (5.74 million people) Tweet this comparison
Number of trees in the world (3 trillion individuals)
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.