Burundi
males age 16-49: 1,083,899
females age 16-49: 1,062,488 (2008 est.)
Cambodia
males age 16-49: 2,581,045
females age 16-49: 2,676,075 (2008 est.)
Cameroon
males age 16-49: 2,567,428
females age 16-49: 2,498,990 (2008 est.)
Canada
males age 16-49: 6,646,281
females age 16-49: 6,417,924 (2008 est.)
Cape Verde
males age 16-49: 83,082
females age 16-49: 88,832 (2008 est.)
Cayman Islands
males age 16-49: 9,577 (2008 est.)
Central African Republic
males age 16-49: 534,141
females age 16-49: 495,303 (2008 est.)
Chad
males age 16-49: 1,066,565
females age 16-49: 1,279,318 (2008 est.)
Chile
males age 16-49: 3,542,448
females age 16-49: 3,500,059 (2008 est.)
China
males age 16-49: 313,321,639
females age 16-49: 295,951,438 (2008 est.)