The income of metropolitan residents are, on average, 21% higher than those living elsewhere, but differences between metropolitan areas within the same country can be sizeable.
People living in metropolitan areas have on average a 21% higher income than the rest of the country ( 4.10). Differences between the average income in metropolitan areas and the rest of the country are highest in Chile (60% higher), followed by Mexico (51%) and Estonia (34%). Belgium is the only country where income levels are higher outside metropolitan areas.