–Which urban areas was the largest in 1950?

New York – Newark with 12.3 million

–Which is expected to be the largest in 2030?

-Tokyo with 37 million

Percentage Change
–Which had greatest rate of change between 1950-2015?

Myanmar, Nay Pyi Taw with a population of 0 in 1950 and a population of just over 1 million in 2015

–Are any urban areas expected to lose population from 2010 to 2030?

-Latvia, Riga with a 24 percent decrease from 2010 to 2030

–If so, how many and which one is expected to lose the most?

– 45 are expected to decrease within the range of 1 percent all the way up to 24 percent with Latvia, Riga.

 –Which United States urban area is expected to have the largest percent increase from 2015 to 2030?

The Woodlands with 66 percent

Here are the formatted U.S.A. answers.

U.S.Answers