Australia: Size and Population
Australia is the world's sixth-largest country by land area and the only nation governing an entire continent.
Geography
- Land area: 7,682,300 km² (2,966,500 sq mi)
- Comparable to: Contiguous United States (7,663,941 km²) — nearly identical size
- Coastline: 59,736 km (mainland + islands)
- EEZ: 8.2M km² (3rd largest)
- Terrain: Arid/semi-arid interior (70%), coastal fringe habitable
Population (2024 Est.)
- Total: ~26.5 million
- Density: 3.4/km² (among lowest globally)
- Growth: ~1.2%/yr (natural increase + net migration)
- Urbanization: 86%+ (one of world's most urbanized)
Major Cities (Greater Capital City Statistical Areas)
| City | Population | State |
| Sydney | 5.5M | NSW |
| Melbourne | 5.2M | VIC |
| Brisbane | 2.7M | QLD |
| Perth | 2.3M | WA |
| Adelaide | 1.4M | SA |
| Canberra | 470K | ACT (capital) |
| Hobart | 250K | TAS |
| Darwin | 150K | NT |
Demographic Profile
- Multicultural: 30% born overseas; top sources: UK, India, China, NZ, Philippines
- Indigenous: 3.8% (Aboriginal and/or Torres Strait Islander)
- Median age: 38.5 years
- Life expectancy: 83.5 years (F 85.4, M 81.3)
Australia combines continental scale with concentrated coastal habitation — a unique demographic geography shaping its economy, politics, and environment.