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Nagaoka — UN urban centre

154,939

Nagaoka: 154,939 people. Reference: 2025 annual estimate · World rank #3,912 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 5215; territory: Japan (JPN). 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: 37.4504, 138.8459. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
199067,693Estimate
1995131,627Estimate
2000179,473Estimate
2005174,186Estimate
2010168,357Estimate
2015162,784Estimate
2020158,984Estimate
2025154,939Estimate
2030148,541Projection
2035144,369Projection
204089,081Projection
204586,561Projection
205082,729Projection

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.

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