Burma
males age 18-49: 469,841
females: 455,689 (2005 est.)
Burundi
males age 18-49: 91,331
females age 16-49: 90,685 (2005 est.)
Cambodia
males age 18-49: 175,497
females age 18-49: 172,788 (2005 est.)
Cameroon
males age 18-49: 191,619
females age 18-49: 187,082 (2005 est.)
Canada
males age 18-49: 223,821
females age 16-49: 212,900 (2005 est.)
Cayman Islands
males age 18-49: 257 (2005 est.)
Chad
males age 18-49: 94,536
females age 20-49: 93,521 (2005 est.)
Chile
males age 18-49: 140,084
females age 18-49: 134,518 (2005 est.)
China
males age 18-49: 13,186,433
females age 18-49: 12,298,149 (2005 est.)
Colombia
males age 18-49: 389,735
females age 18-49: 383,146 (2005 est.)