Burundi
males age 16-49: 1,337,935
females age 16-49: 1,414,035 (2010 est.)
Cambodia
males age 16-49: 2,751,618
females age 16-49: 2,835,807 (2010 est.)
Cameroon
males age 16-49: 2,721,307
females age 16-49: 2,647,640 (2010 est.)
Canada
males age 16-49: 6,642,190
females age 16-49: 6,402,896 (2010 est.)
Cape Verde
males age 16-49: 103,894
females age 16-49: 114,721 (2010 est.)
Cayman Islands
males age 16-49: 9,860
females age 16-49: 10,287 (2010 est.)
Central African Republic
males age 16-49: 637,474
females age 16-49: 643,188 (2010 est.)
Chad
males age 16-49: 1,141,776
females age 16-49: 1,354,111 (2010 est.)
Chile
males age 16-49: 3,599,328
females age 16-49: 3,544,156 (2010 est.)
China
males age 16-49: 314,668,817
females age 16-49: 298,745,786 (2010 est.)