This is a ranking about PPP. There are about five Chinese persons for every American. The sum of their income will keep getting larger and so will their economy. GDP and economic output don't automatically relate to how well people live but they do relate to the influence a country has over the world.
If we care about how happy people are in their country then maybe we should look at http://www.oecdbetterlifeindex.org/ There is no clear number 1.
If we care about how happy people are in their country then maybe we should look at http://www.oecdbetterlifeindex.org/ There is no clear number 1.