Obviously it comes up a lot because we're on a video game forum, but most everything costs more in Australia and Norway.
Purchasing power parity - Wikipedia, the free encyclopedia
Of course it's not the only factor in play here. Taxes are higher and, as others have said, the AUD surpassing the USD is fairly recent and an economy doesn't change overnight (at the micro-, consumer-level, anyways). But PPP is undoubtedly a huge factor and Norway and Australia are 1 and 3 respectively on that chart.