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Beijing vs Sydney

Beijing is about 1.4× larger than Sydney by administrative area. Beijing (China) covers 16,411 km² (6,336 mi²) with a population of 21.9 million, while Sydney (Australia) covers 12,145 km² (4,689 mi²) with 5.5 million residents.

Metric Beijing Sydney
Area 16,411 km² 12,145 km²
Area (mi²) 6,336 mi² 4,689 mi²
Population 21,893,095 5,450,496
Population density 1,334 /km² 449 /km²
Area ratioBeijing is ~1.4× larger by area than Sydney.

Frequently asked questions

Is Beijing bigger than Sydney?

Yes — Beijing is about 1.4× larger by area: 16,411 km² vs 12,145 km².

How big is Beijing?

Beijing, China, covers about 16,411 km² (6,336 mi²) of administrative area.

How big is Sydney?

Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.

Which city has more people, Beijing or Sydney?

Beijing has the larger population: 21.9 million vs 5.5 million. Population density is about 1,334 people/km² in Beijing and 449 people/km² in Sydney.

City boundaries from OpenStreetMap. Last updated 2026-08-25.

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