Sinan — UN urban centre
Sinan: 54,303 people. Reference: 2025 annual estimate · World rank #11,339 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 9516; 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: 27.9435, 108.2487. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 83,130 | Estimate |
| 1980 | 84,171 | Estimate |
| 1985 | 85,997 | Estimate |
| 1990 | 88,737 | Estimate |
| 1995 | 84,916 | Estimate |
| 2000 | 74,667 | Estimate |
| 2005 | 71,109 | Estimate |
| 2010 | 67,883 | Estimate |
| 2015 | 62,203 | Estimate |
| 2020 | 55,360 | Estimate |
| 2025 | 54,303 | Estimate |
| 2030 | 52,942 | Projection |
| 2035 | 51,731 | Projection |
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.