By 2015, Mumbai (formerly called Bombay) is expected to have 22.6 million inhabitants, Delhi 20.9 million, Mexico City 20.6 million, and São Paulo 20 million.
Pada tahun 2015, Mumbai (dahulu Bombay) bakal berpenduduk 22,6 juta orang, Delhi 20,9 juta, Mexico City 20,6 juta, dan São Paulo 20 juta.