Take a look at the interactive map of projected global growth of cities up to 2025, made by McKinsey Global Institute. It explores which cities will contribute most to global growth, shows the fastest expansion and the highest birth rates.

https://www.mckinseyquarterly.com/wrapper.aspx?ar=2758&story=true&url=http%3a%2f%2fwww.mckinseyquarterly.com%2fCities_the_next_frontier_for_global_growth_2758%3fpagenum%3d1%23interactive&pgn=cine11_exhibit