8. Seattle, Washington (USA)
Projected 2016 GDP per capita, PPP: $73,158
Seattle ranks 8th in our list of richest cities in the world by 2016 GDP per capita. It is just shy of having 700,000 citizens, but its metro is 3.7 million inhabitants strong. Seattle citizens enjoy what’s one of world’s largest purchasing power parity -adjusted GDP per capita incomes in the world, of $73,158. Growth of only 0.1% means that the figure wasn’t all that different couple of years ago when it stood at $73,012.