United States
males age 18-49: 67,742,879
females age 18-49: 67,070,144 (2005 est.)
Uruguay
males age 18-49: 764,408
females age 18-49: 760,341 (2005 est.)
Uzbekistan
males age 18-49: 6,340,220
females age 18-49: 6,432,072 (2005 est.)
Vanuatu
males age 18-49: 50,221 (2005 est.)
Venezuela
males age 18-49: 6,236,012
females age 18-49: 6,137,622 (2005 est.)
Vietnam
males age 18-49: 21,341,813
females age 18-49: 21,430,808 (2005 est.)
Yemen
males age 18-49: 4,058,223
females age 18-49: 3,868,112 (2005 est.)
Zambia
males age 18-49: 2,219,739
females age 18-49: 2,159,688 (2005 est.)
Zimbabwe
males age 18-49: 2,778,404
females age 18-49: 2,681,531 (2005 est.)
This page was last updated on 19 December, 2006