This seems like a misleading graph. The map compares income share to _area_? Wouldn't comparing to density or capita be more helpful? I happen to know China ha

This seems like a misleading graph. The map compares income share to _area_? Wouldn't comparing to density or capita be more helpful? I happen to know China has more population so seeing it lighter says something to me, but having a better way to compare to the number of people would be helpful.