Busto Arsizio — UN urban centre
Busto Arsizio: 302,759 people. Reference: 2025 annual estimate · World rank #1,893 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 1047; territory: Italy (ITA). 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: 45.6027, 8.8986. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 237,549 | Estimate |
| 1980 | 242,910 | Estimate |
| 1985 | 243,635 | Estimate |
| 1990 | 242,266 | Estimate |
| 1995 | 250,161 | Estimate |
| 2000 | 251,043 | Estimate |
| 2005 | 275,961 | Estimate |
| 2010 | 287,132 | Estimate |
| 2015 | 296,420 | Estimate |
| 2020 | 302,882 | Estimate |
| 2025 | 302,759 | Estimate |
| 2030 | 300,416 | Projection |
| 2035 | 297,490 | Projection |
| 2040 | 294,182 | Projection |
| 2045 | 290,640 | Projection |
| 2050 | 285,751 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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