List of Countries that Start with U

1. Uganda
2. Ukraine
3. United Arab Emirates
4. United Kingdom
5. United States
6. Uruguay
7. Uzbekistan

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List of Countries that Start with U by Population

(Estimates as of 2024–2025)

1. United States – 339,996,563
2. Ukraine – 36,744,635
3. Uganda – 48,582,334
4. Uzbekistan – 36,207,903
5. United Kingdom – 67,879,427
6. United Arab Emirates – 9,516,871
7. Uruguay – 3,423,108

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List of Countries that Start with U by Land Area

1. United States – 9,833,520 km²
2. Ukraine – 603,550 km²
3. Uganda – 241,038 km²
4. Uzbekistan – 447,400 km²
5. United Kingdom – 243,610 km²
6. United Arab Emirates – 83,600 km²
7. Uruguay – 176,215 km²