Horsham — UN urban centre
Horsham: 51,138 people. Reference: 2025 annual estimate · World rank #11,972 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6091; 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: 51.0709, -0.3183. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 2025 | 51,138 | Estimate |
| 2030 | 53,112 | Projection |
| 2035 | 54,718 | Projection |
| 2040 | 56,135 | Projection |
| 2045 | 61,959 | Projection |
| 2050 | 64,796 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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