Ipswich — UN urban centre
Ipswich: 175,504 people. Reference: 2025 annual estimate · World rank #3,448 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6495; 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: 52.0553, 1.1628. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 104,987 | Estimate |
| 1980 | 108,682 | Estimate |
| 1985 | 110,657 | Estimate |
| 1990 | 113,418 | Estimate |
| 1995 | 116,030 | Estimate |
| 2000 | 119,968 | Estimate |
| 2005 | 144,439 | Estimate |
| 2010 | 155,447 | Estimate |
| 2015 | 165,575 | Estimate |
| 2020 | 169,080 | Estimate |
| 2025 | 175,504 | Estimate |
| 2030 | 183,400 | Projection |
| 2035 | 188,476 | Projection |
| 2040 | 195,784 | Projection |
| 2045 | 201,296 | Projection |
| 2050 | 208,469 | 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.