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Statistics · City
Size of the urban area in London
2025 · 1 data point
Updated 21 Oct 2026
Source: European Commission JRC — GHSL Urban Centre Database, 2025
What it means
How much land the continuous built-up city covers.
How it is calculated
Area of the urban centre outline drawn from satellite data, in square kilometres.
People
London in numbers
Population
69M
2024 · United Kingdom
Population of the urban area
10M
2025
Population growth
0.30%
2025 · United Kingdom
Population density
285
2024 · United Kingdom
Density of the urban area
6,312
2025
Median age
39.8
2023 · United Kingdom
Children under 15
17.0%
2024 · United Kingdom
Residents 65 and over
18.8%
2022 · United Kingdom
Life expectancy
81.4
2024 · United Kingdom
Births per woman
1.55
2024 · United Kingdom
Birth rate
9.9
2024 · United Kingdom
Infant mortality
4.1
2024 · United Kingdom