Cocos (Keeling) Islands
Sunni Muslim 80%, other 20% (2002 est.)

Colombia
Roman Catholic 90%, other 10%

Comoros
Sunni Muslim 98%, Roman Catholic 2%

Congo, Democratic Republic of the
Roman Catholic 50%, Protestant
20%, Kimbanguist 10%, Muslim 10%, other syncretic sects and
indigenous beliefs 10%

Congo, Republic of the
Christian 50%, animist 48%, Muslim 2%

Cook Islands
Cook Islands Christian Church 55.9%, Roman Catholic
16.8%, Seventh Day Saint 7.9%, Church of Latter Day Saints 3.8%,
other Protestant 5.8%, other 4.2%, unspecified 2.6%, none 3% (2001
census)

Costa Rica
Roman Catholic 76.3%, Evangelical 13.7%, Jehovah's
Witnesses 1.3%, other Protestant 0.7%, other 4.8%, none 3.2%

Cote d'Ivoire
Christian 20-30%, Muslim 35-40%, indigenous 25-40%
(2001)
note: the majority of foreigners (migratory workers) are Muslim
(70%) and Christian (20%)

Croatia
Roman Catholic 87.8%, Orthodox 4.4%, other Christian 0.4%,
Muslim 1.3%, other and unspecified 0.9%, none 5.2% (2001 census)

Cuba
nominally 85% Roman Catholic prior to CASTRO assuming power;
Protestants, Jehovah's Witnesses, Jews, and Santeria are also
represented