Iran
males age 15-49: 20,343,063 (2003 est.)
Iraq
males age 15-49: 6,339,458 (2003 est.)
Ireland
males age 15-49: 1,020,182 (2003 est.)
Israel
males age 15-49: 1,562,716
females age 15-49: 1,516,505
note: both sexes are liable for military service (2003 est.)
Italy
males age 15-49: 14,450,147 (2003 est.)
Jamaica
males age 15-49: 755,698 (2003 est.)
Japan
males age 15-49: 29,392,559 (2003 est.)
Jordan
males age 15-49: 1,577,136 (2003 est.)
Kazakhstan
males age 15-49: 4,580,754 (2003 est.)
Kenya
males age 15-49: 8,096,142 (2003 est.)