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1. Has a higher population
European Union: 447mln, United States: 332mln
2. Has a longer coastline
United States: 153 000km, European Union: 68 000km
3. Has a higher GDP per capita
United States: $75 180, European Union: $37 180
4. Has more cities with a population over 500 000
European Union: 53, United States: 38
5. Has more skyscrapers
United States: 859, European Union: 89
6. Has a higher population density
European Union: 106 per km2, United States: 34 per km2
7. Has more cats than dogs
9. Has more metro systems
10. Has an average elevation of 763 metres above sea level
12. Has more Olympic medals