Nagano — UN urban centre
Nagano: 270,476 people. Reference: 2025 annual estimate · World rank #2,152 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 5273; 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: 36.6391, 138.1975. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 65,411 | Estimate |
| 1980 | 91,071 | Estimate |
| 1985 | 97,819 | Estimate |
| 1990 | 172,705 | Estimate |
| 1995 | 298,928 | Estimate |
| 2000 | 306,143 | Estimate |
| 2005 | 302,932 | Estimate |
| 2010 | 294,790 | Estimate |
| 2015 | 286,004 | Estimate |
| 2020 | 279,112 | Estimate |
| 2025 | 270,476 | Estimate |
| 2030 | 262,636 | Projection |
| 2035 | 253,767 | Projection |
| 2040 | 243,310 | Projection |
| 2045 | 236,127 | Projection |
| 2050 | 229,331 | 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.