Did you know?
Number of humans who have ever lived (108bn ) is 20 thousand x Pop. of Norway (5.37million)
Tweet this comparison
Pop. of Dar es Salaam, Tanzania (4.37 million people)
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.