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Olavarría — UN urban centre

81,122

Olavarría: 81,122 people. Reference: 2025 annual estimate · World rank #7,689 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4269; 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: -36.8962, -60.3193. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
198551,755Estimate
199054,935Estimate
199560,064Estimate
200066,884Estimate
200568,263Estimate
201070,853Estimate
201574,039Estimate
202078,934Estimate
202581,122Estimate
203081,981Projection
203582,532Projection
204086,275Projection
204586,446Projection
205086,156Projection

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.