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Mumbai — UN urban centre

20,203,056

Mumbai: 20,203,056 people. Reference: 2025 annual estimate · World rank #12 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7945; territory: India (IND). UN source workbook.

Method: Degree of Urbanisation (contiguous 1 km2 cells, density 1,500+ people/km2, total 50,000+). This is a source-defined urban centre, not a municipality or province. No association with a separate administrative entity is inferred from proximity or name.

Source centroid: 19.1225, 72.8833. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
19758,338,773Estimate
19809,784,903Estimate
198511,203,457Estimate
199012,791,412Estimate
199514,384,595Estimate
200015,952,862Estimate
200516,839,794Estimate
201017,674,045Estimate
201518,336,779Estimate
202019,327,767Estimate
202520,203,056Estimate
203021,114,847Projection
203521,817,469Projection
204022,373,022Projection
204522,797,261Projection
205023,059,150Projection

Largest UN urban centres · Fastest-growing urban centres

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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.

Why an urban centre is not a municipality →

Interpretation reviewed 12 October 2026. Underlying reference years are stated on the page; this is not a fresh census or dataset refresh.