Cayman Islands
males age 18-49: 10,703 (2005 est.)
Central African Republic
males age 18-49: 853,760
females age 18-49: 835,426 (2005 est.)
Chad
males age 20-49: 1,527,580
females age 20-49: 1,629,510 (2005 est.)
Chile
males age 18-49: 3,815,761
females age 18-49: 3,780,864 (2005 est.)
China
males age 18-49: 342,956,265
females age 18-49: 324,701,244 (2005 est.)
Colombia
males age 18-49: 10,212,456
females age 18-49: 10,561,562 (2005 est.)
Comoros
males age 18-49: 138,940
females age 18-49: 139,491 (2005 est.)
Congo, Democratic Republic of the
males age 18-49: 11,365,610 (2005
est.)
Congo, Republic of the
males age 18-49: 688,628
females age 18-49: 685,388 (2005 est.)
Costa Rica
males age 18-49: 997,690
females age 18-49: 968,290 (2005 est.)