This is per capita right? So a family of 5 making $4500/mo in Bolivia would be considered rich, the same family with that income in London is barely surviving.

This is per capita right? So a family of 5 making $4500/mo in Bolivia would be considered rich, the same family with that income in London is barely surviving. Not sure how these percentages will move if adjusted for purchasing power. Maybe half the world isn't poor anymore? Or maybe 90% still is?