The World Factbook. 2008.
Religions
| Country | Religions |
| Afghanistan | Sunni Muslim 80%, Shi’a Muslim 19%, other 1% |
| Albania | Muslim 70%, Albanian Orthodox 20%, Roman Catholic 10% note: percentages are estimates; there are no available current statistics on religious affiliation; all mosques and churches were closed in 1967 and religious observances prohibited; in November 1990, Albania began allowing private religious practice |
| Algeria | Sunni Muslim (state religion) 99%, Christian and Jewish 1% |
| American Samoa | Christian Congregationalist 50%, Roman Catholic 20%, Protestant and other 30% |
| Andorra | Roman Catholic (predominant) |
| Angola | indigenous beliefs 47%, Roman Catholic 38%, Protestant 15% (1998 est.) |
| Anguilla | Anglican 29%, Methodist 23.9%, other Protestant 30.2%, Roman Catholic 5.7%, other Christian 1.7%, other 5.2%, none or unspecified 4.3% (2001 census) |
| Antigua and Barbuda | Anglican 25.7%, Seventh Day Adventist 12.3%, Pentecostal 10.6%, Moravian 10.5%, Roman Catholic 10.4%, Methodist 7.9%, Baptist 4.9%, Church of God 4.5%, other Christian 5.4%, other 2%, none or unspecified 5.8% (2001 census) |
| Argentina | nominally Roman Catholic 92% (less than 20% practicing), Protestant 2%, Jewish 2%, other 4% |
| Armenia | Armenian Apostolic 94.7%, other Christian 4%, Yezidi (monotheist with elements of nature worship) 1.3% |
| Aruba | Roman Catholic 82%, Protestant 8%, other (includes Hindu, Muslim, Confucian, Jewish) 10% |
| Australia | Catholic 26.4%, Anglican 20.5%, other Christian 20.5%, Buddhist 1.9%, Muslim 1.5%, other 1.2%, unspecified 12.7%, none 15.3% (2001 Census) |
| Austria | Roman Catholic 73.6%, Protestant 4.7%, Muslim 4.2%, other 3.5%, unspecified 2%, none 12% (2001 census) |
| Azerbaijan | Muslim 93.4%, Russian Orthodox 2.5%, Armenian Orthodox 2.3%, other 1.8% (1995 est.) note: religious affiliation is still nominal in Azerbaijan; percentages for actual practicing adherents are much lower |
| Bahamas, The | Baptist 35.4%, Anglican 15.1%, Roman Catholic 13.5%, Pentecostal 8.1%, Church of God 4.8%, Methodist 4.2%, other Christian 15.2%, none or unspecified 2.9%, other 0.8% (2000 census) |
| Bahrain | Muslim (Shi’a and Sunni) 81.2%, Christian 9%, other 9.8% (2001 census) |
| Bangladesh | Muslim 83%, Hindu 16%, other 1% (1998) |
| Barbados | Protestant 67% (Anglican 40%, Pentecostal 8%, Methodist 7%, other 12%), Roman Catholic 4%, none 17%, other 12% |
| Belarus | Eastern Orthodox 80%, other (including Roman Catholic, Protestant, Jewish, and Muslim) 20% (1997 est.) |
| Belgium | Roman Catholic 75%, other (includes Protestant) 25% |
| Belize | Roman Catholic 49.6%, Protestant 27% (Pentecostal 7.4%, Anglican 5.3%, Seventh-Day Adventist 5.2%, Mennonite 4.1%, Methodist 3.5%, Jehovah’s Witnesses 1.5%), other 14%, none 9.4% (2000) |
| Benin | Christian 42.8% (Catholic 27.1%, Celestial 5%, Methodist 3.2%, other Protestant 2.2%, other 5.3%), Muslim 24.4%, Vodoun 17.3%, other 15.5% (2002 census) |
| Bermuda | Anglican 23%, Roman Catholic 15%, African Methodist Episcopal 11%, other Protestant 18%, other 12%, unaffiliated 6%, unspecified 1%, none 14% (2000 census) |
| Bhutan | Lamaistic Buddhist 75%, Indian- and Nepalese-influenced Hinduism 25% |
| Bolivia | Roman Catholic 95%, Protestant (Evangelical Methodist) 5% |
| Bosnia and Herzegovina | Muslim 40%, Orthodox 31%, Roman Catholic 15%, other 14% |
| Botswana | Christian 71.6%, Badimo 6%, other 1.4%, unspecified 0.4%, none 20.6% (2001 census) |
| Brazil | Roman Catholic (nominal) 73.6%, Protestant 15.4%, Spiritualist 1.3%, Bantu/voodoo 0.3%, other 1.8%, unspecified 0.2%, none 7.4% (2000 census) |
| British Virgin Islands | Protestant 86% (Methodist 33%, Anglican 17%, Church of God 9%, Seventh-Day Adventist 6%, Baptist 4%, Jehovah’s Witnesses 2%, other 15%), Roman Catholic 10%, other 2%, none 2% (1991) |
| Brunei | Muslim (official) 67%, Buddhist 13%, Christian 10%, other (includes indigenous beliefs) 10% |
| Bulgaria | Bulgarian Orthodox 82.6%, Muslim 12.2%, other Christian 1.2%, other 4% (2001 census) |
| Burkina Faso | Muslim 50%, indigenous beliefs 40%, Christian (mainly Roman Catholic) 10% |
| Burma | Buddhist 89%, Christian 4% (Baptist 3%, Roman Catholic 1%), Muslim 4%, animist 1%, other 2% |
| Burundi | Christian 67% (Roman Catholic 62%, Protestant 5%), indigenous beliefs 23%, Muslim 10% |
| Cambodia | Theravada Buddhist 95%, other 5% |
| Cameroon | indigenous beliefs 40%, Christian 40%, Muslim 20% |
| Canada | Roman Catholic 42.6%, Protestant 23.3% (including United Church 9.5%, Anglican 6.8%, Baptist 2.4%, Lutheran 2%), other Christian 4.4%, Muslim 1.9%, other and unspecified 11.8%, none 16% (2001 census) |
| Cape Verde | Roman Catholic (infused with indigenous beliefs), Protestant (mostly Church of the Nazarene) |
| Cayman Islands | United Church (Presbyterian and Congregational), Anglican, Baptist, Church of God, other Protestant, Roman Catholic |
| Central African Republic | indigenous beliefs 35%, Protestant 25%, Roman Catholic 25%, Muslim 15% note: animistic beliefs and practices strongly influence the Christian majority |
| Chad | Muslim 53.1%, Catholic 20.1%, Protestant 14.2%, animist 7.3%, other 0.5%, unknown 1.7%, atheist 3.1% (1993 census) |
| Chile | Roman Catholic 70%, Evangelical 15.1%, Jehovah’s Witness 1.1%, other Christian 1%, other 4.6%, none 8.3% (2002 census) |
| China | Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2% note: officially atheist (2002 est.) |
| Christmas Island | Buddhist 36%, Muslim 25%, Christian 18%, other 21% (1997) |
| 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 (includes 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 Adventists 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 | Muslim 35-40%, indigenous 25-40%, Christian 20-30% (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 |
| Cyprus | Greek Orthodox 78%, Muslim 18%, other (includes Maronite and Armenian Apostolic) 4% |
| Czech Republic | Roman Catholic 26.8%, Protestant 2.1%, other 3.3%, unspecified 8.8%, unaffiliated 59% (2001 census) |
| Denmark | Evangelical Lutheran 95%, other Christian (includes Protestant and Roman Catholic) 3%, Muslim 2% |
| Djibouti | Muslim 94%, Christian 6% |
| Dominica | Roman Catholic 61.4%, Seventh Day Adventist 6%, Pentecostal 5.6%, Baptist 4.1%, Methodist 3.7%, Church of God 1.2%, Jehovah’s Witnesses 1.2%, other Christian 7.7%, Rastafarian 1.3%, other or unspecified 1.6%, none 6.1% (2001 census) |
| Dominican Republic | Roman Catholic 95%, other 5% |
| Ecuador | Roman Catholic 95%, other 5% |
| Egypt | Muslim (mostly Sunni) 90%, Coptic 9%, other Christian 1% |
| El Salvador | Roman Catholic 83%, other 17% note: there is extensive activity by Protestant groups throughout the country; by the end of 1992, there were an estimated 1 million Protestant evangelicals in El Salvador |
| Equatorial Guinea | nominally Christian and predominantly Roman Catholic, pagan practices |
| Eritrea | Muslim, Coptic Christian, Roman Catholic, Protestant |
| Estonia | Evangelical Lutheran 13.6%, Orthodox 12.8%, other Christian (including Methodist, Seventh-Day Adventist, Roman Catholic, Pentecostal) 1.4%, unaffiliated 34.1%, other and unspecified 32%, none 6.1% (2000 census) |
| Ethiopia | Christian 60.8% (Orthodox 50.6%, Protestant 10.2%), Muslim 32.8%, traditional 4.6%, other 1.8% (1994 census) |
| European Union | Roman Catholic, Protestant, Orthodox, Muslim, Jewish |
| Falkland Islands (Islas Malvinas) | primarily Anglican, Roman Catholic, United Free Church, Evangelist Church, Jehovah’s Witnesses, Lutheran, Seventh-Day Adventist |
| Faroe Islands | Evangelical Lutheran |
| Fiji | Christian 53% (Methodist 34.5%, Roman Catholic 7.2%, Assembly of God 3.8%, Seventh Day Adventist 2.6%, other 4.9%), Hindu 34% (Sanatan 25%, Arya Samaj 1.2%, other 7.8%), Muslim 7% (Sunni 4.2%. other 2.8%), other or unspecified 5.6%, none 0.3% (1996 census) |
| Finland | Lutheran Church of Finland 84.2%, Orthodox Church 1.1%, other Christian 1.1%, other 0.1%, none 13.5% (2003) |
| France | Roman Catholic 83%-88%, Protestant 2%, Jewish 1%, Muslim 5%-10%, unaffiliated 4% overseas departments: Roman Catholic, Protestant, Hindu, Muslim, Buddhist, pagan |
| French Polynesia | Protestant 54%, Roman Catholic 30%, other 10%, no religion 6% |
| Gabon | Christian 55%-75%, animist, Muslim less than 1% |
| Gambia, The | Muslim 90%, Christian 9%, indigenous beliefs 1% |
| Gaza Strip | Muslim (predominantly Sunni) 99.3%, Christian 0.7% |
| Georgia | Orthodox Christian 83.9%, Muslim 9.9%, Armenian-Gregorian 3.9%, Catholic 0.8%, other 0.8%, none 0.7% (2002 census) |
| Germany | Protestant 34%, Roman Catholic 34%, Muslim 3.7%, unaffiliated or other 28.3% |
| Ghana | Christian 68.8% (Pentecostal/Charismatic 24.1%, Protestant 18.6%, Catholic 15.1%, other 11%), Muslim 15.9%, traditional 8.5%, other 0.7%, none 6.1% (2000 census) |
| Gibraltar | Roman Catholic 78.1%, Church of England 7%, other Christian 3.2%, Muslim 4%, Jewish 2.1%, Hindu 1.8%, other or unspecified 0.9%, none 2.9% (2001 census) |
| Greece | Greek Orthodox 98%, Muslim 1.3%, other 0.7% |
| Greenland | Evangelical Lutheran |
| Grenada | Roman Catholic 53%, Anglican 13.8%, other Protestant 33.2% |
| Guam | Roman Catholic 85%, other 15% (1999 est.) |
| Guatemala | Roman Catholic, Protestant, indigenous Mayan beliefs |
| Guernsey | Anglican, Roman Catholic, Presbyterian, Baptist, Congregational, Methodist |
| Guinea | Muslim 85%, Christian 8%, indigenous beliefs 7% |
| Guinea-Bissau | indigenous beliefs 50%, Muslim 45%, Christian 5% |
| Guyana | Christian 50%, Hindu 35%, Muslim 10%, other 5% |
| Haiti | Roman Catholic 80%, Protestant 16% (Baptist 10%, Pentecostal 4%, Adventist 1%, other 1%), none 1%, other 3% note: roughly half of the population practices voodoo |
| Holy See (Vatican City) | Roman Catholic |
| Honduras | Roman Catholic 97%, Protestant 3% |
| Hong Kong | eclectic mixture of local religions 90%, Christian 10% |
| Hungary | Roman Catholic 51.9%, Calvinist 15.9%, Lutheran 3%, Greek Catholic 2.6%, other Christian 1%, other or unspecified 11.1%, unaffiliated 14.5% (2001 census) |
| Iceland | Lutheran Church of Iceland 85.5%, Reykjavik Free Church 2.1%, Roman Catholic Church 2%, Hafnarfjorour Free Church 1.5%, other Christian 2.7%, other or unspecified 3.8%, unaffiliated 2.4% (2004) |
| India | Hindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other 1.8%, unspecified 0.1% (2001 census) |
| Indonesia | Muslim 86.1%, Protestant 5.7%, Roman Catholic 3%, Hindu 1.8%, other or unspecified 3.4% (2000 census) |
| Iran | Muslim 98% (Shi’a 89%, Sunni 9%), other (includes Zoroastrian, Jewish, Christian, and Baha’i) 2% |
| Iraq | Muslim 97% (Shi’a 60%-65%, Sunni 32%-37%), Christian or other 3% |
| Ireland | Roman Catholic 88.4%, Church of Ireland 3%, other Christian 1.6%, other 1.5%, unspecified 2%, none 3.5% (2002 census) |
| Isle of Man | Anglican, Roman Catholic, Methodist, Baptist, Presbyterian, Society of Friends |
| Israel | Jewish 76.4%, Muslim 16%, Arab Christians 1.7%, other Christian 0.4%, Druze 1.6%, unspecified 3.9% (2004) |
| Italy | Roman Catholic 90% (approximately; about one-third regularly attend services), other 10% (includes mature Protestant and Jewish communities and a growing Muslim immigrant community) |
| Jamaica | Protestant 62.5% (Seventh-Day Adventist 10.8%, Pentecostal 9.5%, Other Church of God 8.3%, Baptist 7.2%, New Testament Church of God 6.3%, Church of God in Jamaica 4.8%, Church of God of Prophecy 4.3%, Anglican 3.6%, other Christian 7.7%), Roman Catholic 2.6%, other or unspecified 14.2%, none 20.9%, (2001 census) |
| Japan | observe both Shinto and Buddhist 84%, other 16% (including Christian 0.7%) |
| Jersey | Anglican, Roman Catholic, Baptist, Congregational New Church, Methodist, Presbyterian |
| Jordan | Sunni Muslim 92%, Christian 6% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), other 2% (several small Shi’a Muslim and Druze populations) (2001 est.) |
| Kazakhstan | Muslim 47%, Russian Orthodox 44%, Protestant 2%, other 7% |
| Kenya | Protestant 45%, Roman Catholic 33%, Muslim 10%, indigenous beliefs 10%, other 2% note: a large majority of Kenyans are Christian, but estimates for the percentage of the population that adheres to Islam or indigenous beliefs vary widely |
| Kiribati | Roman Catholic 52%, Protestant (Congregational) 40%, other (includes Seventh-Day Adventist, Muslim, Baha’i, Latter-day Saints, Church of God) 8% (1999) |
| Korea, North | traditionally Buddhist and Confucianist, some Christian and syncretic Chondogyo (Religion of the Heavenly Way) note: autonomous religious activities now almost nonexistent; government-sponsored religious groups exist to provide illusion of religious freedom |
| Korea, South | Christian 26.3% (Protestant 19.7%, Roman Catholic 6.6%), Buddhist 23.2%, other or unknown 1.3%, none 49.3% (1995 census) |
| Kosovo | Muslim, Serbian Orthodox, Roman Catholic |
| Kosovo | Muslim, Serbian Orthodox, Roman Catholic |
| Kuwait | Muslim 85% (Sunni 70%, Shi’a 30%), other (includes Christian, Hindu, Parsi) 15% |
| Kyrgyzstan | Muslim 75%, Russian Orthodox 20%, other 5% |
| Laos | Buddhist 65%, animist 32.9%, Christian 1.3%, other and unspecified 0.8% (1995 census) |
| Latvia | Lutheran, Roman Catholic, Russian Orthodox |
| Lebanon | Muslim 59.7% (Shi’a, Sunni, Druze, Isma’ilite, Alawite or Nusayri), Christian 39% (Maronite Catholic, Greek Orthodox, Melkite Catholic, Armenian Orthodox, Syrian Catholic, Armenian Catholic, Syrian Orthodox, Roman Catholic, Chaldean, Assyrian, Copt, Protestant), other 1.3% note: 17 religious sects recognized |
| Lesotho | Christian 80%, indigenous beliefs 20% |
| Liberia | Christian 40%, Muslim 20%, indigenous beliefs 40% |
| Libya | Sunni Muslim 97%, other 3% |
| Liechtenstein | Roman Catholic 76.2%, Protestant 7%, unknown 10.6%, other 6.2% (June 2002) |
| Lithuania | Roman Catholic 79%, Russian Orthodox 4.1%, Protestant (including Lutheran and Evangelical Christian Baptist) 1.9%, other or unspecified 5.5%, none 9.5% (2001 census) |
| Luxembourg | Roman Catholic 87%, other (includes Protestant, Jewish, and Muslim) 13% (2000) |
| Macau | Buddhist 50%, Roman Catholic 15%, none and other 35% (1997 est.) |
| Macedonia | Macedonian Orthodox 64.7%, Muslim 33.3%, other Christian 0.37%, other and unspecified 1.63% (2002 census) |
| Madagascar | indigenous beliefs 52%, Christian 41%, Muslim 7% |
| Malawi | Christian 79.9%, Muslim 12.8%, other 3%, none 4.3% (1998 census) |
| Malaysia | Muslim 60.4%, Buddhist 19.2%, Christian 9.1%, Hindu 6.3%, Confucianism, Taoism, other traditional Chinese religions 2.6%, other or unknown 1.5%, none 0.8% (2000 census) |
| Maldives | Sunni Muslim |
| Mali | Muslim 90%, Christian 1%, indigenous beliefs 9% |
| Malta | Roman Catholic 98% |
| Marshall Islands | Protestant 54.8%, Assembly of God 25.8%, Roman Catholic 8.4%, Bukot nan Jesus 2.8%, Mormon 2.1%, other Christian 3.6%, other 1%, none 1.5% (1999 census) |
| Mauritania | Muslim 100% |
| Mauritius | Hindu 48%, Roman Catholic 23.6%, Muslim 16.6%, other Christian 8.6%, other 2.5%, unspecified 0.3%, none 0.4% (2000 census) |
| Mayotte | Muslim 97%, Christian (mostly Roman Catholic) 3% |
| Mexico | Roman Catholic 76.5%, Protestant 6.3% (Pentecostal 1.4%, Jehovah’s Witnesses 1.1%, other 3.8%), other 0.3%, unspecified 13.8%, none 3.1% (2000 census) |
| Micronesia, Federated States of | Roman Catholic 50%, Protestant 47%, other 3% |
| Moldova | Eastern Orthodox 98%, Jewish 1.5%, Baptist and other 0.5% (2000) |
| Monaco | Roman Catholic 90%, other 10% |
| Mongolia | Buddhist Lamaist 50%, Shamanist and Christian 6%, Muslim 4%, none 40% (2004) |
| Montenegro | Orthodox, Muslim, Roman Catholic |
| Montserrat | Anglican, Methodist, Roman Catholic, Pentecostal, Seventh-Day Adventist, other Christian denominations |
| Morocco | Muslim 98.7%, Christian 1.1%, Jewish 0.2% |
| Mozambique | Catholic 23.8%, Muslim 17.8%, Zionist Christian 17.5%, other 17.8%, none 23.1% (1997 census) |
| Namibia | Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20% |
| Nauru | Christian (two-thirds Protestant, one-third Roman Catholic) |
| Nepal | Hindu 80.6%, Buddhist 10.7%, Muslim 4.2%, Kirant 3.6%, other 0.9% (2001 census) note: only official Hindu state in the world |
| Netherlands | Roman Catholic 31%, Dutch Reformed 13%, Calvinist 7%, Muslim 5.5%, other 2.5%, none 41% (2002) |
| Netherlands Antilles | Roman Catholic 72%, Pentecostal 4.9%, Protestant 3.5%, Seventh-Day Adventist 3.1%, Methodist 2.9%, Jehovah’s Witnesses 1.7%, other Christian 4.2%, Jewish 1.3%, other or unspecified 1.2%, none 5.2% (2001 census) |
| New Caledonia | Roman Catholic 60%, Protestant 30%, other 10% |
| New Zealand | Anglican 14.9%, Roman Catholic 12.4%, Presbyterian 10.9%, Methodist 2.9%, Pentecostal 1.7%, Baptist 1.3%, other Christian 9.4%, other 3.3%, unspecified 17.2%, none 26% (2001 census) |
| Nicaragua | Roman Catholic 72.9%, Evangelical 15.1%, Moravian 1.5%, Episcopal 0.1%, other 1.9%, none 8.5% (1995 census) |
| Niger | Muslim 80%, other (includes indigenous beliefs and Christian) 20% |
| Nigeria | Muslim 50%, Christian 40%, indigenous beliefs 10% |
| Niue | Ekalesia Niue (Niuean Church – a Protestant church closely related to the London Missionary Society) 61.1%, Latter-Day Saints 8.8%, Roman Catholic 7.2%, Jehovah’s Witnesses 2.4%, Seventh-Day Adventist 1.4%, other 8.4%, unspecified 8.7%, none 1.9% (2001 census) |
| Norfolk Island | Anglican 34.9%, Roman Catholic 11.7%, Uniting Church in Australia 11.2%, Seventh-Day Adventist 2.8%, Australian Christian 2.4%, Jehovah’s Witness 0.9%, other 2.7%, unspecified 15.2%, none 18.1% (2001 census) |
| Northern Mariana Islands | Christian (Roman Catholic majority, although traditional beliefs and taboos may still be found) |
| Norway | Church of Norway 85.7%, Pentecostal 1%, Roman Catholic 1%, other Christian 2.4%, Muslim 1.8%, other 8.1% (2004) |
| Oman | Ibadhi Muslim 75%, other (includes Sunni Muslim, Shi’a Muslim, Hindu) 25% |
| Pakistan | Muslim 97% (Sunni 77%, Shi’a 20%), other (includes Christian and Hindu) 3% |
| Palau | Roman Catholic 41.6%, Protestant 23.3%, Modekngei 8.8% (indigenous to Palau), Seventh-Day Adventist 5.3%, Jehovah’s Witness 0.9%, Latter-Day Saints 0.6%, other 3.1%, unspecified or none 16.4% (2000 census) |
| Panama | Roman Catholic 85%, Protestant 15% |
| Papua New Guinea | Roman Catholic 22%, Lutheran 16%, Presbyterian/Methodist/London Missionary Society 8%, Anglican 5%, Evangelical Alliance 4%, Seventh-Day Adventist 1%, other Protestant 10%, indigenous beliefs 34% |
| Paraguay | Roman Catholic 89.6%, Protestant 6.2%, other Christian 1.1%, other or unspecified 1.9%, none 1.1% (2002 census) |
| Peru | Roman Catholic 81%, Seventh Day Adventist 1.4%, other Christian 0.7%, other 0.6%, unspecified or none 16.3% (2003 est.) |
| Philippines | Roman Catholic 80.9%, Muslim 5%, Evangelical 2.8%, Iglesia ni Kristo 2.3%, Aglipayan 2%, other Christian 4.5%, other 1.8%, unspecified 0.6%, none 0.1% (2000 census) |
| Pitcairn Islands | Seventh-Day Adventist 100% |
| Poland | Roman Catholic 89.8% (about 75% practicing), Eastern Orthodox 1.3%, Protestant 0.3%, other 0.3%, unspecified 8.3% (2002) |
| Portugal | Roman Catholic 84.5%, other Christian 2.2%, other 0.3%, unknown 9%, none 3.9% (2001 census) |
| Puerto Rico | Roman Catholic 85%, Protestant and other 15% |
| Qatar | Muslim 77.5%, Christian 8.5%, other 14% (2004 census) |
| Romania | Eastern Orthodox (including all sub-denominations) 86.8%, Protestant (various denominations including Reformate and Pentecostal) 7.5%, Roman Catholic 4.7%, other (mostly Muslim) and unspecified 0.9%, none 0.1% (2002 census) |
| Russia | Russian Orthodox 15-20%, Muslim 10-15%, other Christian 2% (2006 est.) note: estimates are of practicing worshipers; Russia has large populations of non-practicing believers and non-believers, a legacy of over seven decades of Soviet rule |
| Rwanda | Roman Catholic 56.5%, Protestant 26%, Adventist 11.1%, Muslim 4.6%, indigenous beliefs 0.1%, none 1.7% (2001) |
| Saint Barthelemy | Roman Catholic, Protestant, Jehovah’s Witness |
| Saint Helena | Anglican (majority), Baptist, Seventh-Day Adventist, Roman Catholic |
| Saint Kitts and Nevis | Anglican, other Protestant, Roman Catholic |
| Saint Lucia | Roman Catholic 67.5%, Seventh Day Adventist 8.5%, Pentecostal 5.7%, Rastafarian 2.1%, Anglican 2%, Evangelical 2%, other Christian 5.1%, other 1.1%, unspecified 1.5%, none 4.5% (2001 census) |
| Saint Martin | Roman Catholic, Jehovah’s Witness, Protestant, Hindu |
| Saint Pierre and Miquelon | Roman Catholic 99%, other 1% |
| Saint Vincent and the Grenadines | Anglican 47%, Methodist 28%, Roman Catholic 13%, other (includes Hindu, Seventh-Day Adventist, other Protestant) 12% |
| Samoa | Congregationalist 34.8%, Roman Catholic 19.6%, Methodist 15%, Latter-Day Saints 12.7%, Assembly of God 6.6%, Seventh-Day Adventist 3.5%, Worship Centre 1.3%, other Christian 4.5%, other 1.9%, unspecified 0.1% (2001 census) |
| San Marino | Roman Catholic |
| Sao Tome and Principe | Catholic 70.3%, Evangelical 3.4%, New Apostolic 2%, Adventist 1.8%, other 3.1%, none 19.4% (2001 census) |
| Saudi Arabia | Muslim 100% |
| Senegal | Muslim 94%, Christian 5% (mostly Roman Catholic), indigenous beliefs 1% |
| Serbia | Serbian Orthodox 85%, Catholic 5.5%, Protestant 1.1%, Muslim 3.2%, unspecified 2.6%, other, unknown, or atheist 2.6% (2002 census) |
| Seychelles | Roman Catholic 82.3%, Anglican 6.4%, Seventh Day Adventist 1.1%, other Christian 3.4%, Hindu 2.1%, Muslim 1.1%, other non-Christian 1.5%, unspecified 1.5%, none 0.6% (2002 census) |
| Sierra Leone | Muslim 60%, Christian 10%, indigenous beliefs 30% |
| Singapore | Buddhist 42.5%, Muslim 14.9%, Taoist 8.5%, Hindu 4%, Catholic 4.8%, other Christian 9.8%, other 0.7%, none 14.8% (2000 census) |
| Slovakia | Roman Catholic 68.9%, Protestant 10.8%, Greek Catholic 4.1%, other or unspecified 3.2%, none 13% (2001 census) |
| Slovenia | Catholic 57.8%, Muslim 2.4%, Orthodox 2.3%, other Christian 0.9%, unaffiliated 3.5%, other or unspecified 23%, none 10.1% (2002 census) |
| Solomon Islands | Church of Melanesia 32.8%, Roman Catholic 19%, South Seas Evangelical 17%, Seventh-Day Adventist 11.2%, United Church 10.3%, Christian Fellowship Church 2.4%, other Christian 4.4%, other 2.4%, unspecified 0.3%, none 0.2% (1999 census) |
| Somalia | Sunni Muslim |
| South Africa | Zion Christian 11.1%, Pentecostal/Charismatic 8.2%, Catholic 7.1%, Methodist 6.8%, Dutch Reformed 6.7%, Anglican 3.8%, Muslim 1.5%, other Christian 36%, other 2.3%, unspecified 1.4%, none 15.1% (2001 census) |
| Spain | Roman Catholic 94%, other 6% |
| Sri Lanka | Buddhist 69.1%, Muslim 7.6%, Hindu 7.1%, Christian 6.2%, unspecified 10% (2001 census provisional data) |
| Sudan | Sunni Muslim 70% (in north), Christian 5% (mostly in south and Khartoum), indigenous beliefs 25% |
| Suriname | Hindu 27.4%, Protestant 25.2% (predominantly Moravian), Roman Catholic 22.8%, Muslim 19.6%, indigenous beliefs 5% |
| Swaziland | Zionist 40% (a blend of Christianity and indigenous ancestral worship), Roman Catholic 20%, Muslim 10%, other (includes Anglican, Bahai, Methodist, Mormon, Jewish) 30% |
| Sweden | Lutheran 87%, other (includes Roman Catholic, Orthodox, Baptist, Muslim, Jewish, and Buddhist) 13% |
| Switzerland | Roman Catholic 41.8%, Protestant 35.3%, Muslim 4.3%, Orthodox 1.8%, other Christian 0.4%, other 1%, unspecified 4.3%, none 11.1% (2000 census) |
| Syria | Sunni Muslim 74%, other Muslim (includes Alawite, Druze) 16%, Christian (various denominations) 10%, Jewish (tiny communities in Damascus, Al Qamishli, and Aleppo) |
| Taiwan | mixture of Buddhist and Taoist 93%, Christian 4.5%, other 2.5% |
| Tajikistan | Sunni Muslim 85%, Shi’a Muslim 5%, other 10% (2003 est.) |
| Tanzania | mainland – Christian 30%, Muslim 35%, indigenous beliefs 35%; Zanzibar – more than 99% Muslim |
| Thailand | Buddhist 94.6%, Muslim 4.6%, Christian 0.7%, other 0.1% (2000 census) |
| Timor-Leste | Roman Catholic 98%, Muslim 1%, Protestant 1% (2005) |
| Togo | Christian 29%, Muslim 20%, indigenous beliefs 51% |
| Tokelau | Congregational Christian Church 70%, Roman Catholic 28%, other 2% note: on Atafu, all Congregational Christian Church of Samoa; on Nukunonu, all Roman Catholic; on Fakaofo, both denominations, with the Congregational Christian Church predominant |
| Tonga | Christian (Free Wesleyan Church claims over 30,000 adherents) |
| Trinidad and Tobago | Roman Catholic 26%, Hindu 22.5%, Anglican 7.8%, Baptist 7.2%, Pentecostal 6.8%, Muslim 5.8%, Seventh Day Adventist 4%, other Christian 5.8%, other 10.8%, unspecified 1.4%, none 1.9% (2000 census) |
| Tunisia | Muslim 98%, Christian 1%, Jewish and other 1% |
| Turkey | Muslim 99.8% (mostly Sunni), other 0.2% (mostly Christians and Jews) |
| Turkmenistan | Muslim 89%, Eastern Orthodox 9%, unknown 2% |
| Turks and Caicos Islands | Baptist 40%, Anglican 18%, Methodist 16%, Church of God 12%, other 14% (1990) |
| Tuvalu | Church of Tuvalu (Congregationalist) 97%, Seventh-Day Adventist 1.4%, Baha’i 1%, other 0.6% |
| Uganda | Roman Catholic 41.9%, Protestant 42% (Anglican 35.9%, Pentecostal 4.6%, Seventh Day Adventist 1.5%), Muslim 12.1%, other 3.1%, none 0.9% (2002 census) |
| Ukraine | Ukrainian Orthodox – Kyiv Patriarchate 19%, Orthodox (no particular jurisdiction) 16%, Ukrainian Orthodox – Moscow Patriarchate 9%, Ukrainian Greek Catholic 6%, Ukrainian Autocephalous Orthodox 1.7%, Protestant, Jewish, none 38% (2004 est.) |
| United Arab Emirates | Muslim 96% (Shi’a 16%), other (includes Christian, Hindu) 4% |
| United Kingdom | Christian (Anglican, Roman Catholic, Presbyterian, Methodist) 71.6%, Muslim 2.7%, Hindu 1%, other 1.6%, unspecified or none 23.1% (2001 census) |
| United States | Protestant 51.3%, Roman Catholic 23.9%, Mormon 1.7%, other Christian 1.6%, Jewish 1.7%, Buddhist 0.7%, Muslim 0.6%, other or unspecified 2.5%, unaffiliated 12.1%, none 4% (2007 est.) |
| Uruguay | Roman Catholic 66% (less than half of the adult population attends church regularly), Protestant 2%, Jewish 1%, nonprofessing or other 31% |
| Uzbekistan | Muslim 88% (mostly Sunnis), Eastern Orthodox 9%, other 3% |
| Vanuatu | Presbyterian 31.4%, Anglican 13.4%, Roman Catholic 13.1%, Seventh-Day Adventist 10.8%, other Christian 13.8%, indigenous beliefs 5.6% (including Jon Frum cargo cult), other 9.6%, none 1%, unspecified 1.3% (1999 Census) |
| Venezuela | nominally Roman Catholic 96%, Protestant 2%, other 2% |
| Vietnam | Buddhist 9.3%, Catholic 6.7%, Hoa Hao 1.5%, Cao Dai 1.1%, Protestant 0.5%, Muslim 0.1%, none 80.8% (1999 census) |
| Virgin Islands | Baptist 42%, Roman Catholic 34%, Episcopalian 17%, other 7% |
| Wallis and Futuna | Roman Catholic 99%, other 1% |
| West Bank | Muslim 75% (predominantly Sunni), Jewish 17%, Christian and other 8% |
| Western Sahara | Muslim |
| World | Christians 33.32% (of which Roman Catholics 16.99%, Protestants 5.78%, Orthodox 3.53%, Anglicans 1.25%), Muslims 21.01%, Hindus 13.26%, Buddhists 5.84%, Sikhs 0.35%, Jews 0.23%, Baha’is 0.12%, other religions 11.78%, non-religious 11.77%, atheists 2.32% (2007 est.) |
| Yemen | Muslim including Shaf’i (Sunni) and Zaydi (Shi’a), small numbers of Jewish, Christian, and Hindu |
| Zambia | Christian 50%-75%, Muslim and Hindu 24%-49%, indigenous beliefs 1% |
| Zimbabwe | syncretic (part Christian, part indigenous beliefs) 50%, Christian 25%, indigenous beliefs 24%, Muslim and other 1% |