United States vs United Kingdom: Population
Difference and history — not a contest scoreboard.
🇺🇸 United States
341.0M
Rank #3
🇬🇧 United Kingdom
68.5M
Rank #7
Difference (A − B)
272.5M
% difference vs B
+397.8%
Historical chart
Key context
- United States period change: -0.1% · United Kingdom: -0.5%
- Latest observation: 2025 / 2025 · status preliminary / preliminary
- Multi-metric comparison
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