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Mexico City — UN urban centre

17,734,212

Mexico City: 17,734,212 people. Reference: 2025 annual estimate · World rank #15 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 5439; territory: Mexico (MEX). 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: 19.4448, -99.1049. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
197511,119,402Estimate
198013,216,145Estimate
198514,354,636Estimate
199015,602,020Estimate
199516,617,208Estimate
200017,598,162Estimate
200517,873,392Estimate
201018,329,145Estimate
201518,955,463Estimate
202017,610,488Estimate
202517,734,212Estimate
203017,829,110Projection
203517,908,986Projection
204017,882,165Projection
204517,834,797Projection
205017,678,777Projection

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.