Here's a fun—or, more likely, terrifying—hypothetical question: What would the world look like if all its inhabitants lived together in a single city? Short answer: cramped. Very, very cramped. This might put it into perspective: If the world's population lived in a city with the population density of New Orleans, Louisiana, this single world city would be about as big as the continental United States. Get even scarier what-ifs in the video below.
What if Everyone Lived in Just One City?
Rest assured this will never actually happen.
What If Everyone On Earth Jumped At Once?
Would something catastrophic occur?
Written by Curiosity Staff October 3, 2016
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