Burundi
11% (2006 est.)
Cambodia
5% (2006 est.)
Cameroon
2.4% (2006 est.)
Canada
2% (2006 est.)
Cape Verde
4.7% (2006 est.)
Cayman Islands
4.4% (2004)
Central African Republic
3.6% (2001 est.)
Chad
4% (2006 est.)
Chile
2.1% (2006 est.)
China
1.5% (2006 est.)