Bielsko-Biała — UN urban centre
Bielsko-Biała: 133,022 people. Reference: 2025 annual estimate · World rank #4,588 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 3397; territory: Poland (POL). 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: 49.8182, 19.0419. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 108,270 | Estimate |
| 1980 | 131,149 | Estimate |
| 1985 | 140,454 | Estimate |
| 1990 | 148,610 | Estimate |
| 1995 | 150,344 | Estimate |
| 2000 | 146,009 | Estimate |
| 2005 | 144,213 | Estimate |
| 2010 | 143,332 | Estimate |
| 2015 | 139,015 | Estimate |
| 2020 | 134,125 | Estimate |
| 2025 | 133,022 | Estimate |
| 2030 | 128,736 | Projection |
| 2035 | 125,457 | Projection |
| 2040 | 118,460 | Projection |
| 2045 | 112,110 | Projection |
| 2050 | 108,550 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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