Burundi
2% (2007 est.)
Cambodia
0.8% (2007 est.)
Cameroon
5.1% (2007 est.)
Canada
0.4% (2007 est.)
Cape Verde
0.035% (2001 est.)
Cayman Islands
NA
Central African Republic
6.3% (2007 est.)
Chad
3.5% (2007 est.)
Chile
0.3% (2007 est.)
China
0.1% (2007 est.)