The index is compiled using a range of factors, including the projected growth of the economy, projected disposable incomes over the next decade, and the size of the working population.
While North American cities continue to dominate the list - taking nine of the top 19 places - is China's growing ever-expanding "mega-cities" which occupy some of the very top spots, as their working population and economic prospects continue to grow rapidly.
Take a look at the cities which made the top of the list.