That would depend on the method and definition used as to what "bigger" and "city" mean when preparing the study. As a statistical agglomeration New York-Newark has a larger population. Mexico City is larger when the criteria is set as Metropolitan Area or merely as a city.
By most methods of statistical analysis it is not.
yes
New York City is bigger than Miami in both area and population.
New York City is much bigger than Duluth.
no
delhi bigger than new york and less population
yes
Greater London is far bigger than New York City.
New York city is much bigger than rhode island
No, if you mean is New York city bigger than Moscow, then the answer is yes.
Nope! Not even close!
New York City has more people in its urban area than Mexico City. New York is rated at number eight and Mexico City is rated at number 10.
yes
Shanghai is much larger than New York City.