This paper examines the trends and spatial patterns of slums in the National Capital Territory (NCT) of Delhi, where globalization, industrialization, and rapid urbanization have driven profound demographic and spatial transformations. Delhi’s population grew from 1.74 million in 1951 to 16.7 million in 2011 and is projected to reach 34.66 million by 2025, largely due to migration and inadequate planning. This surge has fuelled the expansion of unauthorized colonies, Jhuggi Jhonpri (JJ) clusters, and informal settlements that house socially and economically marginalized groups. These settlements often lack housing, sanitation, water, electricity, and healthcare, forcing residents into environmentally fragile areas. Unregulated land use and land cover (LULC) changes such as the conversion of agricultural land and open spaces into built-up zones further increases slum growth, environmental hazards, and public health risks. Slum populations are thus disproportionately exposed to pollution, flooding, and unsafe living conditions, reinforcing cycles of vulnerability and exclusion.
Slums; Migration; Urbanization; Environmental Hazards.
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