| Afghanistan | Australia | Bahrain | Belgium | Brazil | Brunei | Cameroon | Chad | China | Colombia |
| Sunni Muslim 84%, Shi'a Muslim 15%, other 1% | Anglican 26.1%, Roman Catholic 26%, other Christian 24.3%, non-Christian 11% | Shi'a Muslim 70%, Sunni Muslim 30% | Roman Catholic 75%, Protestant or other 25% | Roman Catholic (nominal) 80% | Muslim (official) 67%, Buddhist 13%, Christian 10%, indigenous beliefs and other 10% | indigenous beliefs 40%, Christian 40%, Muslim 20% | Muslim 50%, Christian 25%, indigenous beliefs (mostly animism) 25% | Daoist (Taoist), Buddhist, Muslim 2%-3%, Christian 1% | Roman Catholic 90% |
| Costa Rica | Croatia | Cuba | Denmark | Dominican Republic | Egypt | El Salvador | France | Germany | Greece |
| Roman Catholic 76.3%, Evangelical 13.7%, other Protestant 0.7%, Jehovah's Witnesses 1.3%, other 4.8%, none 3.2% | Roman Catholic 76.5%, Orthodox 11.1%, Muslim 1.2%, Protestant 0.4%, others and unknown 10.8% | nominally 85%, Protestants, Jehovah's Witnesses, Jews, and Santeria | Evangelical Lutheran 95%, other Protestant and Roman Catholic 3%, Muslims 2% | Roman Catholic 95% | Muslim (mostly Sunni) 94%, Coptic Christian and other 6% | Roman Catholic 86% | Roman Catholic 90%, Protestant 2%, Jewish 1%, Muslim (North African workers) 3%, unaffiliated 4% | Protestant 38%, Roman Catholic 34%, Muslim 1.7%, unaffiliated or other 26.3% | Greek Orthodox 98%, Muslim 1.3%, other 0.7% |
| Hungary | Iran | Jordan | Kuwait | Luxembourg | Mexico | Morocco | Nigeria | Oman | Pakistan |
| Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5% | Shi'a Muslim 89%, Sunni Muslim 10%, Zoroastrian, Jewish, Christian, and Baha'i 1% | Sunni Muslim 92%, Christian 6%,other 2% | Muslim 85% (Sunni 45%, Shi'a 40%), Christian, Hindu, Parsi, and other 15% | Roman Catholic with a very few Protestants, Jews, and Muslims | Roman Catholic 89%, Protestant 6%, other 5% | Muslim 98.7%, Christian 1.1%, Jewish 0.2% | Muslim 50%, Christian 40%, indigenous beliefs 10% | Muslim 97% (Sunni 77%, Shi'a 20%), Christian, Hindu, and other 3% |
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