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Assuming https://ourworldindata.org/land-use is reliable data, the world currently has about 1.5 million km^2 of built-up land usable for human dwelling. If we further assume it isn't a viable option to just remove even more of the land currently in use for things like farming, rainforests, and polar ice caps and what not, if we try to divide that land evenly among 8 billion humans, we get roughly 187.5 m^2 per person.

The problem is that is all built-up land, including commercial and industrial use and the roads themselves, including whatever small amount of urban greenspace might exist like parks, including schools and courthouses and everything else we need to just run human society. If we conservatively estimate this takes up maybe half of built-up land use, then we're down to more like 90 m^2 per person.

Let's assume a family of four, so now you get 360 m^2 or about 3875 ft^2. According to https://www.census.gov/construction/chars/sold.html, the average lot size of a single-family house in the US has gone from 18760 ft^2 in 1978 to 13896 ft^2 in 2020. We're talking now something like a quarter of current lot sizes if we wanted everyone to live in a single-family home.

So, as it stands, sure, live how you want, but don't forget that your ability to live the way you want is predicated upon the vast majority of humans on the planet living in much higher density, which you apparently consider to be not living like a human at all, in spite of it being the condition most humans find themselves in.




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