Burkina Faso
males age 18-49: 2,651,687 (2005 est.)

Burma
males age 18-49: 12,268,850
females age 18-49: 12,469,771 (2005 est.)

Burundi
males age 16-49: 1,676,855
females age 16-49: 1,656,366 (2005 est.)

Cambodia
males age 18-49: 3,002,718
females age 18-49: 3,108,254 (2005 est.)

Cameroon
males age 18-49: 3,525,307
females age 18-49: 3,461,406 (2005 est.)

Canada
males age 16-49: 8,216,510
females age 16-49: 8,034,939 (2005 est.)

Cape Verde
males age 18-49: 84,641
females age 18-49: 87,310 (2005 est.)

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.)