| Code | Continent | Name | Population |
| UGA | Africa | Uganda | 21,778,000 |
| UKR | Europe | Ukraine | 50,456,000 |
| UMI | Oceania | United States Minor Outlying Islands | 0 |
| URY | South America | Uruguay | 3,337,000 |
| USA | North America | United States | 278,357,000 |
| UZB | Asia | Uzbekistan | 24,318,000 |
| VAT | Europe | Holy See (Vatican City State) | 1,000 |
| VCT | North America | Saint Vincent and the Grenadines | 114,000 |
| VEN | South America | Venezuela | 24,170,000 |
| VGB | North America | Virgin Islands, British | 21,000 |
| VIR | North America | Virgin Islands, U.S. | 93,000 |
| VNM | Asia | Vietnam | 79,832,000 |
| VUT | Oceania | Vanuatu | 190,000 |
| WLF | Oceania | Wallis and Futuna | 15,000 |
| WSM | Oceania | Samoa | 180,000 |
| YEM | Asia | Yemen | 18,112,000 |
| YUG | Europe | Yugoslavia | 10,640,000 |
| ZAF | Africa | South Africa | 40,377,000 |
| ZMB | Africa | Zambia | 9,169,000 |
| ZWE | Africa | Zimbabwe | 11,669,000 |