American Samoa
males age 16-49: 14,230
females age 16-49: 13,842 (2010 est.)
Andorra
males age 16-49: 18,338
females age 16-49: 17,395 (2010 est.)
Angola
males age 16-49: 1,506,489
females age 16-49: 1,451,427 (2010 est.)
Anguilla
males age 16-49: 2,987
females age 16-49: 3,354 (2010 est.)
Antigua and Barbuda
males age 16-49: 17,475
females age 16-49: 19,764 (2010 est.)
Argentina
males age 16-49: 8,366,206
females age 16-49: 8,344,321 (2010 est.)
Armenia
males age 16-49: 644,195
females age 16-49: 724,085 (2010 est.)
Aruba
males age 16-49: 20,398
females age 16-49: 21,371 (2010 est.)
Australia
males age 16-49: 4,377,411
females age 16-49: 4,210,442 (2010 est.)
Austria
males age 16-49: 1,595,379
females age 16-49: 1,566,884 (2010 est.)