Cameroon
4.1% (2006 est.)
Canada
2.8% (2006 est.)
Cape Verde
5.5% (2005 est.)
Cayman Islands
0.9% (2004 est.)
Central African Republic
3% (2006 est.)
Chad
7% (2006 est.)
Chile
4.8% (2006 est.)
China
10.5% (official data) (2006 est.)
Colombia
5.4% (2006 est.)
Comoros
3% (2005 est.)