PHTokyo is the world's largest city with 37 million inhabitants
Tokyo is a booming city—not only by Japanese standards but also compared to cities around the world. With around 37 million people living in the Tokyo metro area, it's the world's largest city when it comes to population size.
The next largest city is Delhi, India (population of 29 million), followed by Shanghai, China (population of 26 million).
(s) bestlifeonline