How does australia's per capita income compare to that of the rest of the world?

According to the current research Australia is a rich country and on top of the world. Australia has the richest people in the world. GDP per capita of Australia shows that on the year of 2009, the big boost started in measurement of US dollars. However using basing on Australian dollars, since the year of 2007, they only increased 245 compared to the American currency which is 42%. Basing on the Standard living, Australia on increase 5% since 2007. For Australia 5% increase is already above average but for the worlds standard this is very poor.