Sydney vs Kyiv
Sydney is about 14× larger than Kyiv by administrative area. Sydney (Australia) covers 12,145 km² (4,689 mi²) with a population of 5.5 million, while Kyiv (Ukraine) covers 848 km² (327 mi²) with 3.0 million residents.
| Metric | Sydney | Kyiv |
|---|---|---|
| Area | 12,145 km² | 848 km² |
| Area (mi²) | 4,689 mi² | 327 mi² |
| Population | 5,450,496 | 2,952,301 |
| Population density | 449 /km² | 3,481 /km² |
| Area ratio | Sydney is ~14× larger by area than Kyiv. | |
Frequently asked questions
Is Sydney bigger than Kyiv?
Yes — Sydney is about 14× larger by area: 12,145 km² vs 848 km².
How big is Sydney?
Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.
How big is Kyiv?
Kyiv, Ukraine, covers about 848 km² (327 mi²) of administrative area.
Which city has more people, Sydney or Kyiv?
Sydney has the larger population: 5.5 million vs 3.0 million. Population density is about 449 people/km² in Sydney and 3,481 people/km² in Kyiv.
City boundaries from OpenStreetMap. Last updated 2026-08-18.
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