[texastoo]

By your analysis China and India should be the super powers of the world right now. My guess is that everyone is wealthy in these countries. I wonder why all of these people are coming to the US?

Just think if all the illegals stay in Mexico, Mexico would flourish. Right?

[Fatalis]

No, you're misunderstanding. The correlation is between a civilization's advancement or decline and it's own population's advancement or decline. Obviously other factors come into play when weighing civilizations against each other.