6. Calgary, Alberta (Canada)
Projected 2016 GDP per capita, PPP: $74,223
The only Canadian city on this list of 20 richest cities in the world by 2016 GDP per capita records the growth of 3.1%. Slightly more than 1 million of Calgary’s inhabitants used to enjoy the GDP PPP rate of $69,826 in 2014. However, thanks to the already mentioned growth, that figure now stands at $74,223.