Sydney vs Shanghai
Sydney is about 1.9× larger than Shanghai by administrative area. Sydney (Australia) covers 12,145 km² (4,689 mi²) with a population of 5.5 million, while Shanghai (China) covers 6,341 km² (2,448 mi²) with 24.9 million residents.
| Metric | Sydney | Shanghai |
|---|---|---|
| Area | 12,145 km² | 6,341 km² |
| Area (mi²) | 4,689 mi² | 2,448 mi² |
| Population | 5,450,496 | 24,870,895 |
| Population density | 449 /km² | 3,922 /km² |
| Area ratio | Sydney is ~1.9× larger by area than Shanghai. | |
Frequently asked questions
Is Sydney bigger than Shanghai?
Yes — Sydney is about 1.9× larger by area: 12,145 km² vs 6,341 km².
How big is Sydney?
Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.
How big is Shanghai?
Shanghai, China, covers about 6,341 km² (2,448 mi²) of administrative area.
Which city has more people, Sydney or Shanghai?
Shanghai has the larger population: 24.9 million vs 5.5 million. Population density is about 449 people/km² in Sydney and 3,922 people/km² in Shanghai.
City boundaries from OpenStreetMap. Last updated 2026-08-18.
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