Tokyo (Population: 37,435,191)
Delhi (Population: 29,399,141)
Shanghai (Population: 26,317,104)
Sao Paulo (Population: 21,846,507)
Mexico City (Population: 21,671,908)
Cairo (Population: 20,484,965)
Dhaka (Population: 20,283,552)
Mumbai (Population: 20,185,064)