Turkmenistan
18 years of age for compulsory military service;
conscript service obligation - two years (2004)
Uganda
18 years of age for compulsory and voluntary military duty;
the government has stated that recruitment below that age could
occur with proper consent and that "no person under the apparent age
of 13 years shall be enrolled in the armed forces"
Ukraine
18-25 years of age for compulsory and voluntary military
service; conscript service obligation - 18 months for Army and Air
Force, 24 months for Navy (2004)
United Arab Emirates
18 years of age (est.); no conscription (2001)
United Kingdom
16 years of age for voluntary military service; women
serve in military services, but are excluded from ground combat
positions and some naval postings (2004)
United States
18 years of age; 17 years of age with written parental
consent (2006)
Uruguay
18 years of age for voluntary and compulsory military
service (2001)
Uzbekistan
18 years of age for compulsory military service;
conscript service obligation - 12 months (2004)
Venezuela
18 years of age for compulsory and voluntary military
service; conscript service obligation - 30 months (2004)
Vietnam
18 years of age (male) for compulsory military service;
females may volunteer for active duty military service; conscript
service obligation - 2 years (3-4 years in the navy); 18-45 years of
age (male) or 18-40 years of age (female) for Militia Force or Self
Defense Forces (2006)