Sydney vs Amsterdam
Sydney is about 55× larger than Amsterdam by administrative area. Sydney (Australia) covers 12,145 km² (4,689 mi²) with a population of 5.5 million, while Amsterdam (Netherlands) covers 219 km² (85 mi²) with 921,468 residents.
| Metric | Sydney | Amsterdam |
|---|---|---|
| Area | 12,145 km² | 219 km² |
| Area (mi²) | 4,689 mi² | 85 mi² |
| Population | 5,450,496 | 921,468 |
| Population density | 449 /km² | 4,208 /km² |
| Area ratio | Sydney is ~55× larger by area than Amsterdam. | |
Frequently asked questions
Is Sydney bigger than Amsterdam?
Yes — Sydney is about 55× larger by area: 12,145 km² vs 219 km².
How big is Sydney?
Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.
How big is Amsterdam?
Amsterdam, Netherlands, covers about 219 km² (85 mi²) of administrative area.
Which city has more people, Sydney or Amsterdam?
Sydney has the larger population: 5.5 million vs 921,468. Population density is about 449 people/km² in Sydney and 4,208 people/km² in Amsterdam.
City boundaries from OpenStreetMap. Last updated 2026-08-24.
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