17. Albany, New York (USA)
Projected 2016 GDP per capita, PPP: $66,474
Small 100,000 inhabitants city of Albany, New York, boasts just a tad bit larger GDP PPP than Madison. It also boasts slower growth of 0.1% per year, so we can safely expect Madison to surpass it if this trend continues for another year or so. That slight 0.1% increase has earned Albany the growth from $66,342 in 2014 to current $66,474.