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Chattogram — UN urban centre

4,983,553

Chattogram: 4,983,553 people. Reference: 2025 annual estimate · World rank #83 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7537; territory: Bangladesh (BGD). 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: 22.3729, 91.8104. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
19751,415,858Estimate
19801,808,706Estimate
19852,109,955Estimate
19902,450,756Estimate
19953,029,986Estimate
20003,779,341Estimate
20054,029,067Estimate
20104,312,218Estimate
20154,589,239Estimate
20204,734,028Estimate
20254,983,553Estimate
20305,286,699Projection
20355,500,843Projection
20405,676,239Projection
20455,822,316Projection
20505,938,088Projection

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.

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