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There was a great post on this subject by Tim Urban: https://waitbutwhy.com/2015/03/7-3-billion-people-one-buildi...

His math is way off. Even being generous a basketball court would not fit 4200 people. The max is 3300 assuming that no space is allowed for people to breathe.

I think he's using "rest of the world" sized people and not "american sized" ones.

I was using small Asian people as my reference. Using "American sized" people and the number goes below 2000.

Even accounting for the human body not occupying all of the space in the rectangle/box he uses (thus allowing for more people to fit a la fitting people in a phone both), his math is simply wrong.

You can fit them if you try hard enough

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