[Tuckerman]

Prediction, over the next 5 decades: NYC will remain the dominant North American city in most every category (it is hard to see the global dominance of NYC, London, Tokyo being eclipsed too much, although the rise of Shanghai and Beijing have yet to be considered and London's decline with Brexit). In North America, Toronto, Houston, Dallas, Atlanta will probably be much more important cities than now. Chicago is in eclipse, but will still be a major city. LA will maintain stable slow growth. Of course this is speculative, based on the dynamics and population shifts and migrations of the past 30 years, but there is little chance that the older population centers will have major growth in the future. The 2020 census should be very revealing with regard to population shifts in the USA.