The Growth of Mumbai reference article from the English Wikipedia on 24-Apr-2004
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Growth of Mumbai

Sponsorship the way you would do it
The growth of the population over the last four centuries can be seen from the following:
1661: 10,000 inhabitants
1675: 60,000
1864: 816,562
1872: 644,605
1881: 773,196
1891: 821,764
1901: 812,912 (Greater Bombay)
1911: 1,018,388
1921: 1,244,934
1931: 1,268,936
1941: 1,686,127
1951: 2,966,902
1961: 4,152,056
1971: 5,970,575
1981: 8,227,382
1991: 9,900,000 + 2,600,000 (Thané) = 12,500,000 (Greater Bombay)
2001: 16,368,084 (Greater Mumbai, incl. Thané)