Of the total area that is used by humans (Agriculture, Urban and Built-up Land),
- urban and built-up land is 1m km²,
- agriculture is 48m km²,
so agriculture is 48 of 49 millions km² used, that’s 98%. The remaining 2% are all streets and housing and other infrastructure together.


That’s what I mean. 14% seems low just from eyeballing it. I guess if people live there, no matter how few, it gets counted as ‘habitable’. It always blows my mind when you zoom in on some of the most inhospitable places on Earth, you’ll still see little pockets of humanity eking out an existence there.
My guess is