With almost 23 million residents, Mumbai, India, is the second largest city in the world (only Tokyo, Japan, is larger than Mumbai). Rapid population growth in Mumbai is evident in this image from the International Space Station that shows several regions of the city with active land reclamation activities on its coasts, bays and hinterlands. Mumbai exemplifies the global urban growth and sprawl seen in recent years as human populations throughout the world continue to migrate to cities.
Adjacent to the commercial sector is Asia’s largest slum, known as Dharavi . Nariman Point is the hub of economic and financial activity; its skyline has often been compared to Manhattan’s. Mumbai’s docklands comprise the largest port in the entire subcontinent and handle over 25 percent of India’s international trade. New urbanized areas such as Vashi , New Bombay, Vasai, and Mahim Creek are being developed to ease this congestion and provide space for new suburbs and industrial parks.
Simplified representation of Mumbai's land use zones slums
In 1971, more than three-fourths of the population in MMR lived in Greater Mumbai (Island city and Suburbs). In 1991, the share of population in this region had come down to 69 per cent, which is expected to decline further to 58 per cent by 2011. On the other hand, Thane, Kalyan, Uran, Bhiwandi, and Bassain are growing fast