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Barnsley — UN urban centre

115,047

Barnsley: 115,047 people. Reference: 2025 annual estimate · World rank #5,342 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4933; territory: United Kingdom (GBR). 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: 53.5617, -1.4814. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
197583,162Estimate
198085,413Estimate
198586,166Estimate
199087,312Estimate
199587,994Estimate
200088,990Estimate
200592,296Estimate
201095,318Estimate
201599,681Estimate
2020100,612Estimate
2025115,047Estimate
2030116,765Projection
2035117,805Projection
2040118,437Projection
2045118,976Projection
2050119,152Projection

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.