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Posadas — UN urban centre

375,741

Posadas: 375,741 people. Reference: 2025 annual estimate · World rank #1,513 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4570; territory: Argentina (ARG). 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: -27.3935, -55.9107. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
197589,247Estimate
1980106,911Estimate
1985135,463Estimate
1990168,621Estimate
1995190,574Estimate
2000236,805Estimate
2005291,188Estimate
2010311,181Estimate
2015343,210Estimate
2020369,189Estimate
2025375,741Estimate
2030382,965Projection
2035387,568Projection
2040391,340Projection
2045393,969Projection
2050394,496Projection

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.