| Russia |  | Christianity, Orthodox Christianity | Russian Orthodox 15-20%, Muslim 10-15%, other Christian 2% (2006 est.) |
| Canada |  | Anglican Christianity, Catholicism, Christianity, Lutheranism, Protestant Christianity | 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) |
| United States |  | Catholicism, Christianity, Mormonism, Protestant Christianity | 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.) |
| China |  | Christianity | Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2% |
| Australia |  | Anglican Christianity, Catholicism, Christianity, Orthodox Christianity | Catholic 25.8%, Anglican 18.7%, Uniting Church 5.7%, Presbyterian and Reformed 3%, Eastern Orthodox 2.7%, other Christian 7.9%, Buddhist 2.1%, Muslim 1.7%, other 2.4%, unspecified 11.3%, none 18.7% (2006 Census) |
| India |  | Christianity | Hindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other 1.8%, unspecified 0.1% (2001 census) |
| Sudan |  | Christianity | Sunni Muslim 70% (in north), Christian 5% (mostly in south and Khartoum), indigenous beliefs 25% |
| Algeria |  | Christianity | Sunni Muslim (state religion) 99%, Christian and Jewish 1% |
| Iran |  | Christianity | Muslim 98% (Shia 89%, Sunni 9%), other (includes Zoroastrian, Jewish, Christian, and Baha'i) 2% |
| Mongolia |  | Christianity | Buddhist Lamaist 50%, Shamanist and Christian 6%, Muslim 4%, none 40% (2004) |
| Niger |  | Christianity | Muslim 80%, other (includes indigenous beliefs and Christian) 20% |
| Mali |  | Christianity | Muslim 90%, Christian 1%, indigenous beliefs 9% |
| South Africa |  | Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | 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) |
| Ethiopia |  | Christianity, Orthodox Christianity, Protestant Christianity | Christian 60.8% (Orthodox 50.6%, Protestant 10.2%), Muslim 32.8%, traditional 4.6%, other 1.8% (1994 census) |
| Egypt |  | Christianity | Muslim (mostly Sunni) 90%, Coptic 9%, other Christian 1% |
| Tanzania |  | Christianity | mainland - Christian 30%, Muslim 35%, indigenous beliefs 35%;Zanzibar - more than 99% Muslim |
| Nigeria |  | Christianity | Muslim 50%, Christian 40%, indigenous beliefs 10% |
| Namibia |  | Christianity, Lutheranism | Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20% |
| Mozambique |  | Catholicism, Christianity | Catholic 23.8%, Muslim 17.8%, Zionist Christian 17.5%, other 17.8%, none 23.1% (1997 census) |
| Pakistan |  | Christianity | Muslim 95% (Sunni 75%, Shia 20%), other (includes Christian and Hindu) 5% |
| Chile |  | Catholicism, Christianity | Roman Catholic 70%, Evangelical 15.1%, Jehovah's Witness 1.1%, other Christian 1%, other 4.6%, none 8.3% (2002 census) |
| Zambia |  | Christianity | Christian 50%-75%, Muslim and Hindu 24%-49%, indigenous beliefs 1% |
| Burma |  | Catholicism, Christianity | Buddhist 89%, Christian 4% (Baptist 3%, Roman Catholic 1%), Muslim 4%, animist 1%, other 2% |
| Madagascar |  | Christianity | indigenous beliefs 52%, Christian 41%, Muslim 7% |
| Botswana |  | Christianity | Christian 71.6%, Badimo 6%, other 1.4%, unspecified 0.4%, none 20.6% (2001 census) |
| Yemen |  | Christianity | Muslim including Shaf'i (Sunni) and Zaydi (Shia), small numbers of Jewish, Christian, and Hindu |
| Thailand |  | Christianity | Buddhist 94.6%, Muslim 4.6%, Christian 0.7%, other 0.1% (2000 census) |
| Cameroon |  | Christianity | indigenous beliefs 40%, Christian 40%, Muslim 20% |
| Morocco |  | Christianity | Muslim 98.7%, Christian 1.1%, Jewish 0.2% |
| Iraq |  | Christianity | Muslim 97% (Shia 60%-65%, Sunni 32%-37%), Christian or other 3% |
| Paraguay |  | Catholicism, Christianity, Protestant Christianity | Roman Catholic 89.6%, Protestant 6.2%, other Christian 1.1%, other or unspecified 1.9%, none 1.1% (2002 census) |
| Zimbabwe |  | Christianity | syncretic (part Christian, part indigenous beliefs) 50%, Christian 25%, indigenous beliefs 24%, Muslim and other 1% |
| Japan |  | Christianity | Shintoism 83.9%, Buddhism 71.4%, Christianity 2%, other 7.8% |
| Congo-Brazzaville |  | Christianity | Christian 50%, animist 48%, Muslim 2% |
| Finland |  | Christianity, Lutheranism, Orthodox Christianity | Lutheran Church of Finland 82.5%, Orthodox Church 1.1%, other Christian 1.1%, other 0.1%, none 15.1% (2006) |
| Malaysia |  | Christianity | 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) |
| Norway |  | Catholicism, Christianity, Pentecostalism | Church of Norway 85.7%, Pentecostal 1%, Roman Catholic 1%, other Christian 2.4%, Muslim 1.8%, other 8.1% (2004) |
| Cote d'Ivoire |  | Christianity | Muslim 38.6%, Christian 32.8%, indigenous 11.9%, none 16.7% (2008 est.) |
| Philippines |  | Catholicism, Christianity | 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) |
| Burkina Faso |  | Catholicism, Christianity | Muslim 50%, indigenous beliefs 40%, Christian (mainly Roman Catholic) 10% |
| New Zealand |  | Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | 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) |
| Gabon |  | Christianity | Christian 55%-75%, animist, Muslim less than 1% |
| Guinea |  | Christianity | Muslim 85%, Christian 8%, indigenous beliefs 7% |
| United Kingdom |  | Anglican Christianity, Catholicism, Christianity, Methodism | Christian (Anglican, Roman Catholic, Presbyterian, Methodist) 71.6%, Muslim 2.7%, Hindu 1%, other 1.6%, unspecified or none 23.1% (2001 census) |
| Ghana |  | Catholicism, Christianity, Pentecostalism, Protestant Christianity | 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) |
| Laos |  | Christianity | Buddhist 67%, Christian 1.5%, other and unspecified 31.5% (2005 census) |
| Guyana |  | Adventism, Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | Hindu 28.4%, Pentecostal 16.9%, Roman Catholic 8.1%, Anglican 6.9%, Seventh Day Adventist 5%, Methodist 1.7%, Jehovah Witness 1.1%, other Christian 17.7%, Muslim 7.2%, other 4.3%, none 4.3% (2002 census) |
| Senegal |  | Catholicism, Christianity | Muslim 94%, Christian 5% (mostly Roman Catholic), indigenous beliefs 1% |
| Syria |  | Christianity | Sunni Muslim 74%, other Muslim (includes Alawite, Druze) 16%, Christian (various denominations) 10%, Jewish (tiny communities in Damascus, Al Qamishli, and Aleppo) |
| Tunisia |  | Christianity | Muslim 98%, Christian 1%, Jewish and other 1% |
| Malawi |  | Christianity | Christian 79.9%, Muslim 12.8%, other 3%, none 4.3% (1998 census) |
| Eritrea |  | Catholicism, Christianity, Protestant Christianity | Muslim, Coptic Christian, Roman Catholic, Protestant |
| Benin |  | Catholicism, Christianity, Methodism, Protestant Christianity | 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) |
| Liberia |  | Christianity | Christian 40%, Muslim 20%, indigenous beliefs 40% |
| Bulgaria |  | Christianity, Orthodox Christianity | Bulgarian Orthodox 82.6%, Muslim 12.2%, other Christian 1.2%, other 4% (2001 census) |
| Hungary |  | Catholicism, Christianity, Lutheranism | 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) |
| Portugal |  | Catholicism, Christianity | Roman Catholic 84.5%, other Christian 2.2%, other 0.3%, unknown 9%, none 3.9% (2001 census) |
| Jordan |  | Christianity, Orthodox Christianity, Protestant Christianity | 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 Shia Muslim and Druze populations) (2001 est.) |
| Emirates |  | Christianity | Muslim 96% (Shia 16%), other (includes Christian, Hindu) 4% |
| Sierra Leone |  | Christianity | Muslim 60%, Christian 10%, indigenous beliefs 30% |
| Ireland |  | Catholicism, Christianity | Roman Catholic 87.4%, Church of Ireland 2.9%, other Christian 1.9%, other 2.1%, unspecified 1.5%, none 4.2% (2006 census) |
| Georgia |  | Catholicism, Christianity, Orthodox Christianity | Orthodox Christian 83.9%, Muslim 9.9%, Armenian-Gregorian 3.9%, Catholic 0.8%, other 0.8%, none 0.7% (2002 census) |
| Sri Lanka |  | Christianity | Buddhist 69.1%, Muslim 7.6%, Hindu 7.1%, Christian 6.2%, unspecified 10% (2001 census provisional data) |
| Lithuania |  | Catholicism, Christianity, Lutheranism, Orthodox Christianity, Protestant Christianity | 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) |
| Latvia |  | Christianity, Lutheranism, Orthodox Christianity | Lutheran 19.6%, Orthodox 15.3%, other Christian 1%, other 0.4%, unspecified 63.7% (2006) |
| Togo |  | Christianity | Christian 29%, Muslim 20%, indigenous beliefs 51% |
| Croatia |  | Catholicism, Christianity, Orthodox Christianity | Roman Catholic 87.8%, Orthodox 4.4%, other Christian 0.4%, Muslim 1.3%, other and unspecified 0.9%, none 5.2% (2001 census) |
| Estonia |  | Adventism, Catholicism, Christianity, Lutheranism, Methodism, Orthodox Christianity, Pentecostalism | 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) |
| Denmark |  | Catholicism, Christianity, Lutheranism, Protestant Christianity | Evangelical Lutheran 95%, other Christian (includes Protestant and Roman Catholic) 3%, Muslim 2% |
| Switzerland |  | Catholicism, Christianity, Orthodox Christianity, Protestant Christianity | 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) |
| Guinea-Bissau |  | Christianity | Muslim 50%, indigenous beliefs 40%, Christian 10% |
| Taiwan |  | Christianity | mixture of Buddhist and Taoist 93%, Christian 4.5%, other 2.5% |
| Lesotho |  | Christianity | Christian 80%, indigenous beliefs 20% |
| Armenia |  | Christianity | Armenian Apostolic 94.7%, other Christian 4%, Yezidi (monotheist with elements of nature worship) 1.3% |
| Solomon Islands |  | Adventism, Catholicism, Christianity | 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) |
| Equatorial Guinea |  | Catholicism, Christianity | nominally Christian and predominantly Roman Catholic, pagan practices |
| Burundi |  | Catholicism, Christianity, Protestant Christianity | Christian 67% (Roman Catholic 62%, Protestant 5%), indigenous beliefs 23%, Muslim 10% |
| Macedonia |  | Christianity, Orthodox Christianity | Macedonian Orthodox 64.7%, Muslim 33.3%, other Christian 0.37%, other and unspecified 1.63% (2002 census) |
| Djibouti |  | Christianity | Muslim 94%, Christian 6% |
| Israel |  | Christianity | Jewish 76.4%, Muslim 16%, Arab Christians 1.7%, other Christian 0.4%, Druze 1.6%, unspecified 3.9% (2004) |
| Slovenia |  | Catholicism, Christianity, Orthodox Christianity | 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) |
| Fiji |  | Adventism, Anglican Christianity, Catholicism, Christianity, Methodism | Christian 64.5% (Methodist 34.6%, Roman Catholic 9.1%, Assembly of God 5.7%, Seventh Day Adventist 3.9%, Anglican 0.8%, other 10.4%), Hindu 27.9%, Muslim 6.3%, Sikh 0.3%, other or unspecified 0.3%, none 0.7% (2007 census) |
| Kuwait |  | Christianity | Muslim 85% (Sunni 70%, Shia 30%), other (includes Christian, Hindu, Parsi) 15% |
| Swaziland |  | Anglican Christianity, Catholicism, Christianity, Methodism, Mormonism | Zionist 40% (a blend of Christianity and indigenous ancestral worship), Roman Catholic 20%, Muslim 10%, other (includes Anglican, Bahai, Methodist, Mormon, Jewish) 30% |
| Vanuatu |  | Adventism, Anglican Christianity, Catholicism, Christianity | 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) |
| Falkland Islands (Islas Malvinas) |  | Christianity | Christian 67.2%, none 31.5%, other 1.3% (2006 census) |
| Qatar |  | Christianity | Muslim 77.5%, Christian 8.5%, other 14% (2004 census) |
| Jamaica |  | Adventism, Anglican Christianity, Catholicism, Christianity, Pentecostalism, Protestant Christianity | 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) |
| Lebanon |  | Catholicism, Christianity, Orthodox Christianity, Protestant Christianity | Muslim 59.7% (Shia, 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% |
| West Bank |  | Christianity | Muslim 75% (predominantly Sunni), Jewish 17%, Christian and other 8% |
| Brunei |  | Christianity | Muslim (official) 67%, Buddhist 13%, Christian 10%, other (includes indigenous beliefs) 10% |
| Trinidad and Tobago |  | Adventism, Anglican Christianity, Catholicism, Christianity, Pentecostalism | 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) |
| Samoa |  | Adventism, Catholicism, Christianity, Church of Jesus Christ of Latter-Day Saints, Methodism | 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) |
| Mauritius |  | Catholicism, Christianity | Hindu 48%, Roman Catholic 23.6%, Muslim 16.6%, other Christian 8.6%, other 2.5%, unspecified 0.3%, none 0.4% (2000 census) |
| Hong Kong |  | Christianity | eclectic mixture of local religions 90%, Christian 10% |
| Netherlands Antilles |  | Adventism, Catholicism, Christianity, Methodism, Pentecostalism, Protestant Christianity | 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) |
| Dominica |  | Adventism, Catholicism, Christianity, Methodism, Pentecostalism | 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) |
| Tonga |  | Christianity | Christian (Free Wesleyan Church claims over 30,000 adherents) |
| Bahrain |  | Christianity | Muslim (Shia and Sunni) 81.2%, Christian 9%, other 9.8% (2001 census) |
| Singapore |  | Catholicism, Christianity | 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) |
| Saint Lucia |  | Adventism, Anglican Christianity, Catholicism, Christianity, Pentecostalism | 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) |
| Northern Mariana Islands |  | Catholicism, Christianity | Christian (Roman Catholic majority, although traditional beliefs and taboos may still be found) |
| Seychelles |  | Adventism, Anglican Christianity, Catholicism, Christianity | 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) |
| Antigua and Barbuda |  | Adventism, Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | 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) |
| Barbados |  | Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism, Protestant Christianity | Protestant 63.4% (Anglican 28.3%, Pentecostal 18.7%, Methodist 5.1%, other 11.3%), Roman Catholic 4.2%, other Christian 7%, other 4.8%, none or unspecified 20.6% (2008 est.) |
| Mayotte |  | Catholicism, Christianity | Muslim 97%, Christian (mostly Roman Catholic) 3% |
| Gaza Strip |  | Christianity | Muslim (predominantly Sunni) 99.3%, Christian 0.7% |
| Cook Islands |  | Catholicism, Christianity, Protestant Christianity | 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) |
| American Samoa |  | Catholicism, Christianity, Protestant Christianity | Christian Congregationalist 50%, Roman Catholic 20%, Protestant and other 30% |
| Marshall Islands |  | Catholicism, Christianity, Mormonism, Protestant Christianity | 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) |
| Christmas Island |  | Christianity | Buddhist 36%, Muslim 25%, Christian 18%, other 21% (1997) |
| Montserrat |  | Adventism, Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | Anglican, Methodist, Roman Catholic, Pentecostal, Seventh-Day Adventist, other Christian denominations |
| Anguilla |  | Anglican Christianity, Catholicism, Christianity, Methodism, Protestant Christianity | 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) |
| Norfolk Island |  | Adventism, Anglican Christianity, Catholicism, Christianity | Anglican 31.8%, Roman Catholic 11.5%, Uniting Church in Australia 10.6%, Seventh-Day Adventist 3.2%, other Christian 5.6%, none 19.9%, unspecified 16.6% (2006 census) |
| Tokelau |  | Catholicism, Christianity | Congregational Christian Church 70%, Roman Catholic 28%, other 2% |
| Gibraltar |  | Catholicism, Christianity | 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) |
| The Gambia |  | Christianity | Muslim 90%, Christian 8%, indigenous beliefs 2% |
| The Bahamas |  | Anglican Christianity, Catholicism, Christianity, Methodism, Pentecostalism | 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) |
| North Korea |  | Christianity | traditionally Buddhist and Confucianist, some Christian and syncretic Chondogyo (Religion of the Heavenly Way) |
| South Korea |  | Catholicism, Christianity, Protestant Christianity | Christian 26.3% (Protestant 19.7%, Roman Catholic 6.6%), Buddhist 23.2%, other or unknown 1.3%, none 49.3% (1995 census) |
| Brazil |  | Catholicism, Protestant Christianity | 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) |
| Argentina |  | Catholicism, Protestant Christianity | nominally Roman Catholic 92% (less than 20% practicing), Protestant 2%, Jewish 2%, other 4% |
| Mexico |  | Catholicism, Pentecostalism, Protestant Christianity | 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) |
| Indonesia |  | Catholicism, Protestant Christianity | Muslim 86.1%, Protestant 5.7%, Roman Catholic 3%, Hindu 1.8%, other or unspecified 3.4% (2000 census) |
| Peru |  | Catholicism | Roman Catholic 81.3%, Evangelical 12.5%, other 3.3%, unspecified or none 2.9% (2007 Census) |
| Chad |  | Catholicism, Protestant Christianity | Muslim 53.1%, Catholic 20.1%, Protestant 14.2%, animist 7.3%, other 0.5%, unknown 1.7%, atheist 3.1% (1993 census) |
| Angola |  | Catholicism, Protestant Christianity | indigenous beliefs 47%, Roman Catholic 38%, Protestant 15% (1998 est.) |
| Colombia |  | Catholicism | Roman Catholic 90%, other 10% |
| Bolivia |  | Catholicism, Methodism, Protestant Christianity | Roman Catholic 95%, Protestant (Evangelical Methodist) 5% |
| Venezuela |  | Catholicism, Protestant Christianity | nominally Roman Catholic 96%, Protestant 2%, other 2% |
| France |  | Catholicism, Protestant Christianity | Roman Catholic 83%-88%, Protestant 2%, Jewish 1%, Muslim 5%-10%, unaffiliated 4% overseas departments: Roman Catholic, Protestant, Hindu, Muslim, Buddhist, pagan |
| Ubangi-Shari |  | Catholicism, Protestant Christianity | indigenous beliefs 35%, Protestant 25%, Roman Catholic 25%, Muslim 15% |
| Ukraine |  | Catholicism, Orthodox Christianity, Protestant Christianity | Ukrainian Orthodox - Kyiv Patriarchate 50.4%, Ukrainian Orthodox - Moscow Patriarchate 26.1%, Ukrainian Greek Catholic 8%, Ukrainian Autocephalous Orthodox 7.2%, Roman Catholic 2.2%, Protestant 2.2%, Jewish 0.6%, other 3.2% (2006 est.) |
| Kenya |  | Catholicism, Protestant Christianity | Protestant 45%, Roman Catholic 33%, Muslim 10%, indigenous beliefs 10%, other 2% |
| Spain |  | Catholicism | Roman Catholic 94%, other 6% |
| Papua New Guinea |  | Adventism, Anglican Christianity, Catholicism, Lutheranism, Pentecostalism, Protestant Christianity | Roman Catholic 27%, Evangelical Lutheran 19.5%, United Church 11.5%, Seventh-Day Adventist 10%, Pentecostal 8.6%, Evangelical Alliance 5.2%, Anglican 3.2%, Baptist 2.5%, other Protestant 8.9%, Bahai 0.3%, indigenous beliefs and other 3.3% (2000 census) |
| Sweden |  | Catholicism, Lutheranism, Orthodox Christianity | Lutheran 87%, other (includes Roman Catholic, Orthodox, Baptist, Muslim, Jewish, and Buddhist) 13% |
| Germany |  | Catholicism, Protestant Christianity | Protestant 34%, Roman Catholic 34%, Muslim 3.7%, unaffiliated or other 28.3% |
| Vietnam |  | Catholicism, Protestant Christianity | 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) |
| Poland |  | Catholicism, Orthodox Christianity, Protestant Christianity | Roman Catholic 89.8% (about 75% practicing), Eastern Orthodox 1.3%, Protestant 0.3%, other 0.3%, unspecified 8.3% (2002) |
| Italy |  | Catholicism, Protestant Christianity | Roman Catholic 90% (approximately;about one-third practicing), other 10% (includes mature Protestant and Jewish communities and a growing Muslim immigrant community) |
| Ecuador |  | Catholicism | Roman Catholic 95%, other 5% |
| Uganda |  | Adventism, Anglican Christianity, Catholicism, Pentecostalism, Protestant Christianity | 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) |
| Romania |  | Catholicism, Orthodox Christianity, Pentecostalism, Protestant Christianity | 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) |
| Belarus |  | Catholicism, Orthodox Christianity, Protestant Christianity | Eastern Orthodox 80%, other (including Roman Catholic, Protestant, Jewish, and Muslim) 20% (1997 est.) |
| Uruguay |  | Catholicism | Roman Catholic 47.1%, non-Catholic Christians 11.1%, nondenominational 23.2%, Jewish 0.3%, atheist or agnostic 17.2%, other 1.1% (2006) |
| Suriname |  | Catholicism, Protestant Christianity | Hindu 27.4%, Protestant 25.2% (predominantly Moravian), Roman Catholic 22.8%, Muslim 19.6%, indigenous beliefs 5% |
| Nicaragua |  | Catholicism | Roman Catholic 58.5%, Evangelical 21.6%, Moravian 1.6%, Jehovah's Witness 0.9%, other 1.7%, none 15.7% (2005 census) |
| Honduras |  | Catholicism, Protestant Christianity | Roman Catholic 97%, Protestant 3% |
| Cuba |  | Catholicism | nominally 85% Roman Catholic prior to CASTRO assuming power;Protestants, Jehovah's Witnesses, Jews, and Santeria are also represented |
| Guatemala |  | Catholicism, Protestant Christianity | Roman Catholic, Protestant, indigenous Mayan beliefs |
| Iceland |  | Catholicism, Lutheranism | Lutheran Church of Iceland 80.7%, Roman Catholic Church 2.5%, Reykjavik Free Church 2.4%, Hafnarfjorour Free Church 1.6%, other religions 3.6%, unaffiliated 3%, other or unspecified 6.2% (2006 est.) |
| Austria |  | Catholicism, Protestant Christianity | Roman Catholic 73.6%, Protestant 4.7%, Muslim 4.2%, other 3.5%, unspecified 2%, none 12% (2001 census) |
| Cesko |  | Catholicism, Protestant Christianity | Roman Catholic 26.8%, Protestant 2.1%, other 3.3%, unspecified 8.8%, unaffiliated 59% (2001 census) |
| Serbia |  | Catholicism, Orthodox Christianity, Protestant Christianity | Serbian Orthodox 85%, Catholic 5.5%, Protestant 1.1%, Muslim 3.2%, unspecified 2.6%, other, unknown, or atheist 2.6% (2002 census) |
| Panama |  | Catholicism, Protestant Christianity | Roman Catholic 85%, Protestant 15% |
| Bosnia and Herzegovina |  | Catholicism, Orthodox Christianity | Muslim 40%, Orthodox 31%, Roman Catholic 15%, other 14% |
| Costa Rica |  | Catholicism, Protestant Christianity | Roman Catholic 76.3%, Evangelical 13.7%, Jehovah's Witnesses 1.3%, other Protestant 0.7%, other 4.8%, none 3.2% |
| Slovakia |  | Catholicism, Protestant Christianity | Roman Catholic 68.9%, Protestant 10.8%, Greek Catholic 4.1%, other or unspecified 3.2%, none 13% (2001 census) |
| The Dominican |  | Catholicism | Roman Catholic 95%, other 5% |
| Netherlands |  | Catholicism, Protestant Christianity | Roman Catholic 30%, Dutch Reformed 11%, Calvinist 6%, other Protestant 3%, Muslim 5.8%, other 2.2%, none 42% (2006) |
| Belgium |  | Catholicism, Protestant Christianity | Roman Catholic 75%, other (includes Protestant) 25% |
| Albania |  | Catholicism, Orthodox Christianity | Muslim 70%, Albanian Orthodox 20%, Roman Catholic 10% |
| Haiti |  | Adventism, Catholicism, Pentecostalism, Protestant Christianity | Roman Catholic 80%, Protestant 16% (Baptist 10%, Pentecostal 4%, Adventist 1%, other 1%), none 1%, other 3% |
| Rwanda |  | Adventism, Catholicism, Protestant Christianity | Roman Catholic 56.5%, Protestant 26%, Adventist 11.1%, Muslim 4.6%, indigenous beliefs 0.1%, none 1.7% (2001) |
| Belize |  | Adventism, Anglican Christianity, Catholicism, Methodism, Pentecostalism, Protestant Christianity | 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) |
| El Salvador |  | Catholicism, Mormonism, Protestant Christianity | Roman Catholic 57.1%, Protestant 21.2%, Jehovah's Witnesses 1.9%, Mormon 0.7%, other religions 2.3%, none 16.8% (2003 est.) |
| New Caledonia |  | Catholicism, Protestant Christianity | Roman Catholic 60%, Protestant 30%, other 10% |
| Timor-Leste |  | Catholicism, Protestant Christianity | Roman Catholic 98%, Muslim 1%, Protestant 1% (2005) |
| Montenegro |  | Catholicism, Orthodox Christianity | Orthodox 74.2%, Muslim 17.7%, Catholic 3.5%, other 0.6%, unspecified 3%, atheist 1% (2003 census) |
| Puerto Rico |  | Catholicism, Protestant Christianity | Roman Catholic 85%, Protestant and other 15% |
| Kosovo |  | Catholicism, Orthodox Christianity | Muslim, Serbian Orthodox, Roman Catholic |
| French Polynesia |  | Catholicism, Protestant Christianity | Protestant 54%, Roman Catholic 30%, other 10%, no religion 6% |
| Cape Verde |  | Catholicism, Protestant Christianity | Roman Catholic (infused with indigenous beliefs), Protestant (mostly Church of the Nazarene) |
| Luxembourg |  | Catholicism, Protestant Christianity | Roman Catholic 87%, other (includes Protestant, Jewish, and Muslim) 13% (2000) |
| Comoros |  | Catholicism | Sunni Muslim 98%, Roman Catholic 2% |
| Virgin Islands |  | Catholicism | Baptist 42%, Roman Catholic 34%, Episcopalian 17%, other 7% |
| Sao Tome and Principe |  | Adventism, Catholicism | Catholic 70.3%, Evangelical 3.4%, New Apostolic 2%, Adventist 1.8%, other 3.1%, none 19.4% (2001 census) |
| Kiribati |  | Adventism, Catholicism, Church of Jesus Christ of Latter-Day Saints, Protestant Christianity | Roman Catholic 52%, Protestant (Congregational) 40%, other (includes Seventh-Day Adventist, Muslim, Baha'i, Latter-day Saints, Church of God) 8% (1999) |
| Trust Territory of the Pacific Islands |  | Catholicism, Protestant Christianity | Roman Catholic 50%, Protestant 47%, other 3% |
| Isle of Man |  | Anglican Christianity, Catholicism, Methodism | Anglican, Roman Catholic, Methodist, Baptist, Presbyterian, Society of Friends |
| Andorra |  | Catholicism | Roman Catholic (predominant) |
| Palau |  | Adventism, Catholicism, Church of Jesus Christ of Latter-Day Saints, Protestant Christianity | 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) |
| Saint Vincent and the Grenadines |  | Adventism, Anglican Christianity, Catholicism, Methodism, Protestant Christianity | Anglican 47%, Methodist 28%, Roman Catholic 13%, other (includes Hindu, Seventh-Day Adventist, other Protestant) 12% |
| Grenada |  | Anglican Christianity, Catholicism, Protestant Christianity | Roman Catholic 53%, Anglican 13.8%, other Protestant 33.2% |
| Malta |  | Catholicism | Roman Catholic 98% |
| Saint Helena |  | Adventism, Anglican Christianity, Catholicism | Anglican (majority), Baptist, Seventh-Day Adventist, Roman Catholic |
| Cayman Islands |  | Adventism, Anglican Christianity, Catholicism, Pentecostalism | Church of God 25.5%, Roman Catholic 12.6%, Presbyterian / United Church 9.2%, Seventh Day Adventist 8.4%, Baptist 8.3%, Pentecostal 6.7%, Anglican 3.9%, other religions 4%, non-denominational 5.7%, other 6.5%, none 6.1%, unspecified 3.2% (2007) |
| Saint Kitts and Nevis |  | Anglican Christianity, Catholicism, Protestant Christianity | Anglican, other Protestant, Roman Catholic |
| Niue |  | Adventism, Catholicism, Church of Jesus Christ of Latter-Day Saints, Protestant Christianity | 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) |
| Saint Pierre and Miquelon |  | Catholicism | Roman Catholic 99%, other 1% |
| Aruba |  | Catholicism, Methodism, Protestant Christianity | Roman Catholic 80.8%, Evangelist 4.1%, Protestant 2.5%, Jehovah's Witnesses 1.5%, Methodist 1.2%, Jewish 0.2%, other 5.1%, none or unspecified 4.6% |
| Liechtenstein |  | Catholicism, Protestant Christianity | Roman Catholic 76.2%, Protestant 7%, unknown 10.6%, other 6.2% (June 2002) |
| British Virgin Islands |  | Adventism, Anglican Christianity, Catholicism, Methodism, Protestant Christianity | 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) |
| Wallis and Futuna |  | Catholicism | Roman Catholic 99%, other 1% |
| Jersey |  | Anglican Christianity, Catholicism, Methodism | Anglican, Roman Catholic, Baptist, Congregational New Church, Methodist, Presbyterian |
| Guernsey |  | Anglican Christianity, Catholicism, Methodism | Anglican, Roman Catholic, Presbyterian, Baptist, Congregational, Methodist |
| San Marino |  | Catholicism | Roman Catholic |
| Saint Martin |  | Catholicism, Protestant Christianity | Roman Catholic, Jehovah's Witness, Protestant, Hindu |
| Bermuda |  | Anglican Christianity, Catholicism, Methodism, Protestant Christianity | Anglican 23%, Roman Catholic 15%, African Methodist Episcopal 11%, other Protestant 18%, other 12%, unaffiliated 6%, unspecified 1%, none 14% (2000 census) |
| Macau |  | Catholicism | Buddhist 50%, Roman Catholic 15%, none or other 35% (1997 est.) |
| Nauru |  | Catholicism | Nauru Congregational 35.4%, Roman Catholic 33.2%, Nauru Independent Church 10.4%, other 14.1%, none 4.5%, unspecified 2.4% (2002 census) |
| Monaco |  | Catholicism | Roman Catholic 90%, other 10% |
| Holy See (Vatican City) |  | Catholicism | Roman Catholic |
| EU |  | Catholicism, Orthodox Christianity, Protestant Christianity | Roman Catholic, Protestant, Orthodox, Muslim, Jewish |
| Guam |  | Catholicism | Roman Catholic 85%, other 15% (1999 est.) |
| Saint Barthelemy |  | Catholicism, Protestant Christianity | Roman Catholic, Protestant, Jehovah's Witness |
| DRC |  | Catholicism, Protestant Christianity | Roman Catholic 50%, Protestant 20%, Kimbanguist 10%, Muslim 10%, other (includes syncretic sects and indigenous beliefs) 10% |
| Kazakhstan |  | Orthodox Christianity, Protestant Christianity | Muslim 47%, Russian Orthodox 44%, Protestant 2%, other 7% |
| Turkmenistan |  | Orthodox Christianity | Muslim 89%, Eastern Orthodox 9%, unknown 2% |
| Uzbekistan |  | Orthodox Christianity | Muslim 88% (mostly Sunnis), Eastern Orthodox 9%, other 3% |
| Kyrgyzstan |  | Orthodox Christianity | Muslim 75%, Russian Orthodox 20%, other 5% |
| Greece |  | Orthodox Christianity | Greek Orthodox 98%, Muslim 1.3%, other 0.7% |
| Azerbaijan |  | Orthodox Christianity | Muslim 93.4%, Russian Orthodox 2.5%, Armenian Orthodox 2.3%, other 1.8% (1995 est.) |
| Moldova |  | Orthodox Christianity | Eastern Orthodox 98%, Jewish 1.5%, Baptist and other 0.5% (2000) |
| Cyprus |  | Orthodox Christianity | Greek Orthodox 78%, Muslim 18%, other (includes Maronite and Armenian Apostolic) 4% |
| World |  | Orthodox Christianity | 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.) |
| Greenland |  | Lutheranism | Evangelical Lutheran |
| Faroe Islands |  | Lutheranism | Evangelical Lutheran 83.8%, other and unspecified 16.2% (2006 administrative data) |
| Turks and Caicos Islands |  | Anglican Christianity, Methodism | Baptist 40%, Anglican 18%, Methodist 16%, Church of God 12%, other 14% (1990) |
| Pitcairn Islands |  | Adventism | Seventh-Day Adventist 100% |
| Tuvalu |  | Adventism | Church of Tuvalu (Congregationalist) 97%, Seventh-Day Adventist 1.4%, Baha'i 1%, other 0.6% |
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