Australia vs United States: Population
Difference and history — not a contest scoreboard.
🇦🇺 Australia
27.2M
Rank #10
🇺🇸 United States
341.0M
Rank #3
Difference (A − B)
-313.8M
% difference vs B
-92.0%
Historical chart
Key context
- Australia period change: -0.4% · United States: -0.1%
- Latest observation: 2025 / 2025 · status preliminary / preliminary
- Multi-metric comparison
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