Turkey
males age 20-49: 13,905,901 (2005 est.)
Turkmenistan
males age 18-49: 759,978 (2005 est.)
Uganda
males age 18-49: 2,889,808 (2005 est.)
Ukraine
males age 18-49: 7,114,337 (2005 est.)
United Arab Emirates
males age 18-49: 526,671 (2005 est.)
United Kingdom
males age 16-49: 12,046,268 (2005 est.)
United States males age 18-49: 54,609,050 females age 18-49: 54,696,706 (2005 est.)
Uruguay
males age 18-49: 637,445 (2005 est.)
Uzbekistan
males age 18-49: 4,609,621 (2005 est.)
Venezuela
males age 18-49: 4,907,947 (2005 est.)