UrbanPop

1. New York-Newark had the largest population in 1950 with 12,338,471 people, according to the data.
2. Tokyo is expected to have the largest population of any urban area in 2030 with 37,190,489 people, according to the data. Round to single decimal, re AP style
3. Cancun, Mexico had the highest rate of change in its population between 1950-2015 of any urban area on the list with an increase of 16,894,000 percent, according to the data. The population grew from five people to 844,705 people during that span. It is important to note that Nay Pyi Taw, Myanmar has no data before 2005; therefore the rate of change of its population is unknown. Good one
4. Out of the 1,693 urban areas listed, 48 are expected to lose population from 2010 to 2030. Riga, Latvia’s population is expected to go down the most on a percent change basis by an estimated 23.87 percent from 664,645 to 506,023, according to the data. Good
5. The Woodlands, Texas is expected to have the largest percent increase of any U.S. urban area from 2015-2030 with an estimated population rate of change of 66.38 percent, going from 400,096 to 665,681 people, according to the data. Detroit is expected to have the smallest increase in population with an estimated rate of change of 6.8 percent, going from 3,639,050 to 3,886,329.