Japan
males age 18-49: 27,003,112 (2005 est.)
Jordan
males age 17-49: 1,573,995 (2005 est.)
Kazakhstan
males age 18-49: 3,758,255 (2005 est.)
Kenya
males age 18-49: 7,303,153 (2005 est.)
Korea, North
males age 17-49: 5,851,801 (2005 est.)
Korea, South
males age 20-49: 12,458,257 (2005 est.)
Kuwait
males age 18-49: 864,745 (2005 est.)
Kyrgyzstan
males age 18-49: 1,193,529 (2005 est.)
Laos
males age 15-49: 1,500,625 (2005 est.)
Latvia
males age 19-49: 517,713 (2005 est.)