Yiyuan — UN urban centre
Yiyuan: 156,269 people. Reference: 2025 annual estimate · World rank #3,877 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10326; territory: China (CHN). 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: 36.1856, 118.1712. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 115,290 | Estimate |
| 1980 | 122,634 | Estimate |
| 1985 | 126,116 | Estimate |
| 1990 | 130,604 | Estimate |
| 1995 | 131,959 | Estimate |
| 2000 | 128,969 | Estimate |
| 2005 | 135,185 | Estimate |
| 2010 | 161,767 | Estimate |
| 2015 | 166,168 | Estimate |
| 2020 | 157,385 | Estimate |
| 2025 | 156,269 | Estimate |
| 2030 | 154,277 | Projection |
| 2035 | 151,930 | Projection |
| 2040 | 148,932 | Projection |
| 2045 | 145,675 | Projection |
| 2050 | 141,401 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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