How much inhabitable land is there on Earth? By inhabitable I mean either natural food sources and/or the potential for agriculture, where a basic shelter and fire is all you need to protect you from the elements.
I've been looking and I found 2 figures
148,940,000 and 29,242,234
I'm assuming the larger one is the amount of total land excluding oceans, and the smaller one is the amount of actuall inhabitable land.
I can't find what data these figures where derived from so any help would be appreciated.
I'm trying to calculate how much land everyone would have if divided equally amongst all inhabitants, so if this has been determined we can skip all the other stuff.
My only concern is the definition of "inhabitable," since some places are only inhabitable during some seasons, and other places can be made inhabitable rather easily. For now I will settle for the least amount of land considered inhabitable.