United States vs Australia: Population
Difference and history — not a contest scoreboard.
🇺🇸 United States
341.0M
Rank #3
🇦🇺 Australia
27.2M
Rank #10
Difference (A − B)
313.8M
% difference vs B
+1153.7%
Historical chart
Key context
- United States period change: -0.1% · Australia: -0.4%
- Latest observation: 2025 / 2025 · status preliminary / preliminary
- Multi-metric comparison
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