Gillingham — UN urban centre
Gillingham: 258,422 people. Reference: 2025 annual estimate · World rank #2,256 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6365; 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: 51.3719, 0.54. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 204,448 | Estimate |
| 1980 | 211,139 | Estimate |
| 1985 | 214,161 | Estimate |
| 1990 | 218,145 | Estimate |
| 1995 | 220,817 | Estimate |
| 2000 | 223,882 | Estimate |
| 2005 | 228,284 | Estimate |
| 2010 | 235,633 | Estimate |
| 2015 | 243,063 | Estimate |
| 2020 | 246,630 | Estimate |
| 2025 | 258,422 | Estimate |
| 2030 | 271,363 | Projection |
| 2035 | 279,704 | Projection |
| 2040 | 287,075 | Projection |
| 2045 | 293,216 | Projection |
| 2050 | 306,176 | Projection |
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.