Sonchon — UN urban centre
Sonchon: 137,480 people. Reference: 2025 annual estimate · World rank #4,433 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 1332; territory: North Korea (PRK). 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: 39.7981, 124.9135. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 76,719 | Estimate |
| 1980 | 80,262 | Estimate |
| 1985 | 86,823 | Estimate |
| 1990 | 93,434 | Estimate |
| 1995 | 102,887 | Estimate |
| 2000 | 112,172 | Estimate |
| 2005 | 120,469 | Estimate |
| 2010 | 126,609 | Estimate |
| 2015 | 132,038 | Estimate |
| 2020 | 135,669 | Estimate |
| 2025 | 137,480 | Estimate |
| 2030 | 138,148 | Projection |
| 2035 | 138,290 | Projection |
| 2040 | 137,459 | Projection |
| 2045 | 136,570 | Projection |
| 2050 | 135,208 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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