Mumbai Population in 2020 is 20 Million (2 Crores), As per the 2001 census, the net migrants to Mumbai UA are 892,706 from within state. 1,571,181 from other states of India, 25,665 from other countries. Total Migrants are 2,489,552 from the last 10 years from 1991 to 2001. Mumbai is the commercial capital of India and is one of the predominant port cities in the country, Lat in 19th century, The Mumbai port attracted industries and the entrepreneurial communities like the Parsis, Gujaratis, and Marwaris who migrated from different regions of the neighbouring states to set up trading companies and industries. These Industries attracted migrant labor from different parts of the country. Currently this city is divided into 7 regions.