Slum area in Mumbai declines by 8.6% over 17 years: Study
The study, which focused on Greater Mumbai and Thane, found that the area covered by slums dropped from 47.7 square kilometres in 2005 to 43.6 square kilometres in 2022. However, this overall decline masks a more complex pattern: some slums expanded, others shrank, and some disappeared entirely over the past two decades. Specifically, slums in certain areas reduced by 10.2 square kilometers, while others grew by 6.1 square kilometres, according to the TOI report.
In addition to changes in size, slums became denser after 2010. John Friesen, the lead author of the study, explained, “While slums grew in area in the first decade, they densified in the second.”
The study emphasises that slums should not be seen merely as signs of unchecked urban growth, but as dynamic and integral components of the city that are constantly evolving. Researchers used high-resolution satellite imagery and other data to track the changes in slum land over the 17-year period.
Despite the decline in slum area, the proportion of land in Mumbai occupied by slums dropped only slightly, from 8 per cent in 2005 to 7.3 per cent in 2022, said the TOI report… In contrast, slum area grew by almost 35 per cent in some parts of the mainland, including Navi Mumbai and Mumbra, where slum land expanded from 12 square kilometres in 2005 to 16.1 square kilometres by 2022, TOI reported.
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