Uruguay
males age 16-49: 708,545
females age 16-49: 693,622 (2009 est.)
Uzbekistan
males age 16-49: 6,340,446
females age 16-49: 6,559,769 (2009 est.)
Vanuatu
males age 16-49: 41,533
females age 16-49: 42,837 (2009 est.)
Venezuela
males age 16-49: 5,391,582
females age 16-49: 5,873,563 (2009 est.)
Vietnam
males age 16-49: 19,190,676
females age 16-49: 20,768,508 (2009 est.)
Virgin Islands
males age 16-49: 17,820
females age 16-49: 21,193 (2009 est.)
Wallis and Futuna
males age 16-49: 3,273
females age 16-49: 3,297 (2009 est.)
West Bank
males age 16-49: 545,653
females age 16-49: 515,102 (2009 est.)
Western Sahara
males age 16-49: 52,267
females age 16-49: 59,221 (2009 est.)
Yemen
males age 16-49: 3,733,704
females age 16-49: 3,773,626 (2009 est.)