Uganda
males age 15-49: 5,678,649 (2004 est.)
Ukraine
males age 15-49: 12,196,319 (2004 est.)
United Arab Emirates males age 15-49: 764,413 note: includes non-nationals (2004 est.)
United Kingdom
males age 15-49: 14,943,016 (2004 est.)
United States
males age 15-49: 73,597,731 (2004 est.)
Uruguay
males age 15-49: 838,195 (2004 est.)
Uzbekistan
males age 15-49: 7,126,325 (2004 est.)
Venezuela
males age 15-49: 6,886,775 (2004 est.)
Vietnam
males age 15-49: 23,438,858 (2004 est.)
Yemen
males age 15-49: 4,617,064 (2004 est.)