Brunei
males age 18-49: 103,885 (2005 est.)
Bulgaria
males age 18-49: 1,661,211 (2005 est.)
Burkina Faso
males age 18-49: 2,664,572 (2005 est.)
Burma
males age 18-49: 11,254,374
females age 18-49: 11,303,100 (2005 est.)
Burundi
males age 16-49: 1,379,793 (2005 est.)
Cambodia
males age 18-49: 2,981,823 (2005 est.)
Cameroon
males age 18-49: 3,410,440 (2005 est.)
Canada
males age 16-49: 8,216,510 (2005 est.)
Cape Verde
males age 18-49: 84,641 (2005 est.)
Central African Republic
males age 18-49: 758,103 (2005 est.)