I've done the math . . . you're absolutely right. Not only that, but if you could stand EVERYBODY in the world in the Grand Canyon next to each other (again, I've done the math), you'd still have room to spare.
It's incredible that this kind of junk science is still thought to be accurate.
Yeah, you can stack everyone like cordwood into a small space, but presumably the discussion includes each person having enough space to farm and live. We’re talking survival of humanity, not an ultimate mass grave.
Straight division of world land mass by current population gives 5.25 acres per person. Get yours today!