Korea, South
males age 20-49: 10,115,817
females age 20-49: 9,721,914 (2005 est.)
Kuwait
males age 18-49: 737,292
females age 18-49: 405,207 (2005 est.)
Kyrgyzstan
males age 18-49: 871,493
females age 18-49: 1,024,568 (2005 est.)
Laos
males age 15-49: 954,816
females age 15-49: 1,006,082 (2005 est.)
Latvia
males age 19-49: 361,098
females age 19-49: 422,913 (2005 est.)
Lebanon
males age 18-49: 821,762
females age 18-49: 865,770 (2005 est.)
Lesotho
males age 18-49: 180,797
females age 18-49: 160,681 (2005 est.)
Liberia
males age 18-49: 267,430
females age 18-49: 286,231 (2005 est.)
Libya
males age 17-49: 1,291,624
females age 17-49: 1,230,824 (2005 est.)
Liechtenstein
males age 18-49: 6,250 (2005 est.)