http://en.wikipedia.org/wiki/PPP_per_capita http://en.wikipedia.org/wiki/PPP_per_capita When comparing income by country, you need to take into account cost of

http://en.wikipedia.org/wiki/PPP_per_capita http://en.wikipedia.org/wiki/PPP_per_capita When comparing income by country, you need to take into account cost of living, yes. This index I've linked does that; Australia is at parity with the richer countries in Europe, but behind the US, Switzerland and Norway.