20.7 million estimates around 645,000 population of around one million people reports World Population Review 22 milioane de locuitori reports World Population Review reports World Population Review over 41% of Mumbai’s 12.44 million habitants 22 million to be precise more than 20 million people deze index Mumbai Ø¥ØØµØ§Ø¦ÙØ© Ø¹Ø§Ù 2019