City evidence profile
Lan Population 2015
China 38.276638, 111.668780
2015 population · Estimate
50,110
UN WUP Degree of Urbanization city population at mid-year
Location record
Administrative area not supplied
China · CHN
CityEvidence derived analysis
Research snapshot
The latest city density observation is 6,264 people per km² for 2015. The latest city land-area observation is 8.0 km² for 2015.
2015 density6,264people/km²
Population through time
One source series, shown without converting estimates into “live” counters.
| Year | Population | Type | Source |
|---|---|---|---|
| 1975 | 52,303 | Estimate | UN World Urbanization Prospects 2025 |
| 2015 | 50,110 | Estimate | UN World Urbanization Prospects 2025 |
Context, without fake precision
Country-level indicators are labelled as country context and are never presented as city measurements.
Country population growth
-0.2%
2025 · World Bank · national value
Country urban population
66.3%
2025 · World Bank · national value
Country life expectancy
78.0
2024 · World Bank · national value
Country population
1,406,585,000
2025 · World Bank · national value
City population density
6,264
2015 · UN World Urbanization Prospects 2025 · people/km²
City land area
8.0
2015 · UN World Urbanization Prospects 2025 · km²
Sources & provenance
See which dataset supports each city measurement and which figures are country-level context.
UN World Urbanization Prospects 2025City population · 2015 · Estimate · refreshed 2026-10-12
Open source ↗UN World Urbanization Prospects 2025City population density · 2015 · refreshed 2026-10-12
Open source ↗UN World Urbanization Prospects 2025City land area · 2015 · refreshed 2026-10-12
Open source ↗World Bank Open DataNational context series · latest population observation 2025 · refreshed 2026-10-12
Open source ↗GeoNames geographic referenceCoordinates, country and administrative-area identity used for place reference and matching.
Source notes →🛡️ Research standard
Source-backed profile
This profile has qualifying city-level evidence, clear source labels and enough supporting context for a full research page.
How profiles are verified