What population figure has Musk cited as necessary for ensuring Martian genetic diversity and societal stability?

Answer

Around one million people.

Musk has spoken about needing to reach a population threshold of around one million people on Mars to ensure both genetic diversity and societal stability.

What population figure has Musk cited as necessary for ensuring Martian genetic diversity and societal stability?

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Elon Musk's 66 Trillion Dollar Plan For Mars - YouTube

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