🌍 World Alive

Bydgoszcz — UN urban centre

266,908

Bydgoszcz: 266,908 people. Reference: 2025 annual estimate · World rank #2,186 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 1852; 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: 53.1262, 17.9996. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
1975253,615Estimate
1980285,887Estimate
1985300,362Estimate
1990311,096Estimate
1995323,921Estimate
2000312,212Estimate
2005299,929Estimate
2010290,488Estimate
2015282,363Estimate
2020264,173Estimate
2025266,908Estimate
2030263,260Projection
2035261,296Projection
2040258,543Projection
2045255,940Projection
2050252,822Projection

Largest UN urban centres · Fastest-growing urban centres

What changed during your lifetime?

Turn these figures into a private, five-scene personal world story.

Use this source record with the right definition

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.

Why an urban centre is not a municipality →

Interpretation reviewed 12 October 2026. Underlying reference years are stated on the page; this is not a fresh census or dataset refresh.