Australia
Urban centre 1975–2100
Explore the population, density, built-up land and growth of Sydney’s urban footprint, as defined by GHSL, from 1975 to 2100 (projected after 2025).
Figures for 2025
- Population
- 4,102,708
- Density
- 3,130 people/km²
- 24% of the boundary built; 13,290 people per built km²
- Area
- 1,311 km²
GHS-WUP R2025A on the H3 grid. The interactive charts show the selected year once loaded.