| Rank | Country | males | Manpower reaching military service age annually |
| Trinidad and Tobago | |  male: 8,671 female: 8,153 (2008 est.) |
| Tunisia | |  male: 101,794 female: 95,198 (2008 est.) |
| Turkey | |  male: 660,452 female: 638,527 (2008 est.) |
| Turkmenistan | |  male: 57,615 female: 55,426 (2008 est.) |
| Turks and Caicos Islands | |  male: 222 female: 214 (2008 est.) |
| Tuvalu | |  male: 128 female: 125 (2008 est.) |
| Uganda | |  male: 384,638 female: 381,990 (2008 est.) |
| Ukraine | |  male: 288,605 female: 276,324 (2008 est.) |
| United Arab Emirates | |  male: 25,856 female: 23,085 (2008 est.) |
| United Kingdom | |  male: 400,927 female: 383,593 (2008 est.) |
| United States | |  male: 2,186,440 female: 2,079,688 (2008 est.) |
| United States Pacific Island Wildlife Refuges | | void |
| Uruguay | |  male: 27,082 female: 26,075 (2008 est.) |
| Uzbekistan | |  male: 324,094 female: 323,923 (2008 est.) |
| Vanuatu | |  male: 2,385 female: 2,290 (2008 est.) |
| Venezuela | |  male: 275,323 female: 274,106 (2008 est.) |
| Vietnam | |  male: 903,734 female: 845,306 (2008 est.) |
| Virgin Islands | |  male: 861 female: 897 (2008 est.) |
| Wake Island | | void |
| Wallis and Futuna | |  male: 172 female: 170 (2008 est.) |
| West Bank | |  male: 29,866 female: 28,372 (2008 est.) |
| Western Sahara | |  male: 4,658 female: 4,545 (2008 est.) |
| World | | void |
| Yemen | |  male: 268,468 female: 258,196 (2008 est.) |
| Zambia | |  male: 147,358 female: 146,771 (2008 est.) |
| Zimbabwe | |  male: 144,601 female: 147,627 (2008 est.) |