World Religions

Afghanistan Islam (Sunni 80%, Shiite 19%), other 1%
Albania Islam 70%, Albanian Orthodox 20%, Roman Catholic 10% (est.)
Algeria Islam (Sunni) 99% (state religion), Christian and Jewish 1%
Andorra Roman Catholic (predominant)
Angola Indigenous 47%, Roman Catholic 38%, Protestant 15% (1998 est.)
Antigua and Barbuda Christian (predominantly Anglican and other Protestant; some Roman Catholic)
Argentina Roman Catholic 92%, Protestant 2%, Jewish 2%, other 4%
Armenia Armenian Apostolic 95%, other Christian 4%, Yezidi 1%
Australia Roman Catholic 26%, Anglican 21%, other Christian 21%, Buddhist 2%, Islam 2%, other 1%, none 15% (2001)
Austria Roman Catholic 74%, Protestant 5%, Islam 4%, none 12% (2001)
Azerbaijan Islam 93%, Russian Orthodox 3%, Armenian Orthodox 2%, other 2% (1995 est.)
Bahamas Baptist 35%, Anglican 15%, Roman Catholic 14%, Pentecostal 8%, Church of God 5%, Methodist 4%, other Christian 15% (2000)
Bahrain Islam (Shiite and Sunni) 81%, Christian 9%
Bangladesh Islam 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%, Protestant or other 25%
Belize Roman Catholic 50%, Protestant 27% (Pentecostal 7%, Anglican 5%, Seventh-Day Adventist 5%, Mennonite 4%, Methodist 4%, Jehovah's Witnesses 2%), none 9%, other 14% (2000)
Benin indigenous 50%, Christian 30%, Islam 20%
Bhutan Lamaistic Buddhist 75%, Indian- and Nepalese-influenced Hinduism 25%
Bolivia Roman Catholic 95%, Protestant (Evangelical Methodist) 5%
Bosnia and Herzegovina Islam 40%, Orthodox 31%, Roman Catholic 15%, other 14%
Botswana Christian 72%, Badimo 6%, none 21% (2001)
Brazil Roman Catholic 74%, Protestant 15%, Spiritualist 1%, none 7% (2000)
Brunei Islam (official religion) 67%, Buddhist 13%, Christian 10%, indigenous beliefs and other 10%
Bulgaria Bulgarian Orthodox 83%, Islam 12%, other Christian 1% (2001)
Burkina Faso Islam 50%, indigenous beliefs 40%, Christian (mainly Roman Catholic) 10%
Burundi Roman Catholic 62%, indigenous 23%, Islam 10%, Protestant 5%
Cambodia Theravada Buddhist 95%, others 5%
Cameroon indigenous beliefs 40%, Christian 40%, Islam 20%
Canada Roman Catholic 43%, Protestant 23% (including United Church 10%, Anglican 7%, Baptist 2%, Lutheran 2%), other Christian 4%, Muslim 2%, none 16% (2001)
Cape Verde Roman Catholic (infused with indigenous beliefs), Protestant (mostly Church of the Nazarene)
Central African Republic indigenous beliefs 35%, Protestant and Roman Catholic (both with animist influence) 25% each, Islam 15%
Chad Islam 51%, Christian 35%, animist 7%, other 7%
Chile Roman Catholic 89%, Protestant 11%, small Jewish population
China Officially atheist; Daoist (Taoist), Buddhist, Christian 3%–4%, Muslim 1%–2% (2002 est.)
Colombia Roman Catholic 90%
Comoros Sunni Muslim 98%, Roman Catholic 2%
Congo, Democratic Republic of the Roman Catholic 50%, Protestant 20%, Kimbanguist 10%, Islam 10%; other syncretic and indigenous 10%
Congo, Republic of Christian 50%, animist 48%, Islam 2%
Costa Rica Roman Catholic 76%, Evangelical 14%, Jehovah's Witnesses 1%, other Protestant 1%, other 5%, none 3%
Côte d'Ivoire indigenous 25%–40%, Islam 35%–40%, Christian 20%–30% (2001)
Croatia Roman Catholic 88%, Orthodox 4%, Muslim 1%, other Christian less than 1%, none 5% (2001)
Cuba predominantly Roman Catholic and Santería (Afro-Cuban syncretic religion)
Cyprus Greek Orthodox 78%, Islam 18%, Maronite, Armenian Apostolic, and other 4%
Czech Republic Roman Catholic 27%, Protestant 2%, unaffiliated 59% (2001)
Denmark Evangelical Lutheran 95%, other Protestant and Roman Catholic 3%, Muslim 2%
Djibouti Islam 94%, Christian 6%
Dominica Roman Catholic 77%, Protestant 15% (Methodist 5%, Pentecostal 3%, Seventh-Day Adventist 3%, Baptist 2%, other 2%), none 2%
Dominican Republic Roman Catholic 95%
East Timor Roman Catholic 90%, Islam 4%, Protestant 3%, Hindu 0.5%, Buddhist, animist (1992 est.)
Ecuador Roman Catholic 95%
Egypt Islam (mostly Sunni) 90%, Coptic 9%, Christian 1%, other 6%
El Salvador Catholics 83%; growing population of evangelical Protestants (1992)
Equatorial Guinea nominally Christian and predominantly Roman Catholic, pagan practices
Eritrea Islam, Eritrean Orthodox Christianity, Roman Catholic, Protestant
Estonia Evangelical Lutheran 14%, Russian Orthodox 13%, other Christian (including Methodist, Seventh-Day Adventist, Roman Catholic, Pentecostal) 1%, unaffiliated 34%, none 6% (2001)
Ethiopia Islam 45%–50%, Ethiopian Orthodox 35%–40%, animist 12%, other 3%–8%
Fiji Christian 52% (Methodist 37%, Roman Catholic 9%), Hindu 38%, Islam 8%, other 2%
Finland Evangelical Lutheran 84%, Greek Orthodox 1%, other Christian 1%, none 14%
France Roman Catholic 83%–88%, Protestant 2%, Islam 5%–10%, Jewish 1%, unaffiliated 4%
Gabon Christian 55%–75%, animist, Islam less than 1%
Gambia Islam 90%, Christian 9%, indigenous 1%
Georgia Orthodox 84%, Islam 10%, Armenian-Gregorian 4%, Catholic 1% (2002)
Germany Protestant 34%, Roman Catholic 34%, Islam 4%, Unaffiliated or other 28%
Ghana Christian 63%, indigenous beliefs 21%, Islam 16%
Greece Greek Orthodox 98%, Islam 1%, other 1%
Grenada Roman Catholic 53%, Anglican 14%, other Protestant 33%
Guatemala Roman Catholic, Protestant, indigenous Mayan beliefs
Guinea Islam 85%, Christian 8%, indigenous 7%
Guinea-Bissau indigenous beliefs 50%, Islam 45%, Christian 5%
Guyana Christian 50%, Hindu 35%, Islam 10%, other 5%
Haiti Roman Catholic 80%, Protestant 16% (Baptist 10%, Pentecostal 4%, Adventist 1%, other 1%), other 3%, none 1%. Note: roughly half the population practices Vaudou
Honduras Roman Catholic 97%, Protestant 3%
Hungary Roman Catholic 52%, Calvinist 16%, Lutheran 3%, Greek Catholic 3%, other Christian 1%, unaffiliated 15% (2001)
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 81%, Islam 13%, Christian 2%, Sikh 2% (2001)
Indonesia Islam 88%, Protestant 5%, Roman Catholic 3%, Hindu 2%, Buddhist 1% (1998)
Iran Islam 98% (Shi'a 89%, Sunni 9%); Zoroastrian, Jewish, Christian, and Baha'i 2%
Iraq Islam 97% (Shiite 60%–65%, Sunni 32%–37%), Christian or other 3%
Ireland Roman Catholic 88%, Church of Ireland 3%, other Christian 2%, none 4%
Israel Judaism 77%, Islam 16%, Christian 2%, Druze 2% (2003)
Italy Roman Catholic approx. 90%, Protestant, Jewish, Islamic
Jamaica Protestant 61.3%, (Church of God 21.2%, Baptist 8.8%, Anglican 5.5%, Seventh-Day Adventist 9%, Pentecostal 7.6%, Methodist 2.7%, United Church 2.7%, Brethren 1.1%, Jehovah's Witness 1.6%, Moravian 1.1%), Roman Catholic 4%, other including some spiritual cults 34.7%
Japan Shintoist and Buddhist 84%, other 16% (including Christian 0.7%)
Jordan Islam (Sunni) 92%, Christian 6% (mostly Greek Orthodox), other 2%
Kazakhstan Islam 47%, Russian Orthodox 44%, Protestant 2%, other 7%
Kenya Protestant 45%, Roman Catholic 33%, indigenous beliefs 10%, Islam 10%, others 2% (note: estimates vary widely)
Kiribati Roman Catholic 52%, Protestant (Congregational) 40%, some Seventh-Day Adventist, Muslim, Baha'i, Latter-day Saints, and Church of God (1999)
Korea, North Buddhism and Confucianism; religious activities almost nonexistent
Korea, South no affiliation 46%, Christian 26%, Buddhist 26%, Confucianist 1%, other 1%
Kuwait Islam 85% (Sunni 70%, Shiite 30%); Christian, Hindu, Parsi, and other 15%
Kyrgyzstan Islam 75%; Russian Orthodox 20%; other 5%
Laos Buddhist 60%, animist and other 40% (including Christian 2%)
Latvia Lutheran, Roman Catholic, Russian Orthodox
Lebanon Islam 60% (Shi'a, Sunni, Druze, Isma'ilite, Alawite/Nusayri), Christian 39% (Maronite, Melkite, Syrian, Armenian, and Roman Catholic; Greek, Armenian, and Syrian Orthodox; Chaldean; Assyrian; Copt; Protestant), other 1%
Lesotho Christian 80%, indigenous beliefs 20%
Liberia traditional 40%, Christian 40%, Islam 20%
Libya Islam (Sunni) 97%
Liechtenstein Roman Catholic, 77%, Protestant, 7%; unknown, 11% (2002)
Lithuania Roman Catholic 79%, Russian Orthodox 4%, Protestant (including Lutheran, evangelical Christian Baptist) 2%, none 10% (2001)
Luxembourg Roman Catholic 87%; Protestant, Jewish, Islamic 13% (2000)
Macedonia Macedonian Orthodox 32%, Islam 17% (2002)
Madagascar indigenous beliefs 52%, Christian 41%, Islam 7%
Malawi Christian 80%, Islam 13%, none 4% (1998)
Malaysia Muslim, Buddhist, Daoist, Hindu, Christian, Sikh; Shamanism (East Malaysia)
Maldives Islam (Sunni)
Mali Islam 90%, indigenous beliefs 9%, Christian 1%
Malta Roman Catholic 98%
Marshall Islands Protestant 55%, Assembly of God 26%, Roman Catholic 8%, Bukot nan Jesus 3%, Mormon 2%, other Christian 4%, none 2% (1999)
Mauritania Islam 100%
Mauritius Hindu 48%, Roman Catholic 24%, other Christian 8%, Islam 17% (2000)
Mexico nominally Roman Catholic 89%, Protestant 6%, other 5%
Micronesia Roman Catholic 50%, Protestant 47%
Moldova Eastern Orthodox 98%, Jewish 1.5%, Baptist and other 0.5% (2000)
Monaco Roman Catholic 90%
Mongolia Buddhist Lamaist 50%, Islam 4%, Shamanism and Christian 4%, none 40% (2004)
Montenegro Orthodox, Muslim, Roman Catholic
Morocco Islam 99%, Christian 1%
Mozambique Mozambique 24%, Islam 18%, Zionist Christian 18%, none 23% (1997)
Myanmar Buddhist 89%, Christian 4% (Baptist 3%, Roman Catholic 1%), Islam 4%, Animist 1%, other 2%
Namibia Christian 80%–90% (Lutheran at least 50%), indigenous beliefs 10%–20%
Nauru Christian (two-thirds Protestant, one-third Roman Catholic)
Nepal Hindu 81%, Buddhist 11%, Islam 4%, Kirant 4% (2001)
Netherlands Roman Catholic 31%, Dutch Reformed 13%, Calvinist 7%, Islam 6%, none 41% (2002)
New Zealand Anglican 15%, Roman Catholic 12%, Presbyterian 11%, Methodist 3%, Pentecostal 2%, Baptist 1%, other Christian 9%, none 26% (2001)
Nicaragua Roman Catholic 73%, Evangelical 15%, Moravian 2%, none 9% (1995)
Niger Islam 80%, indigenous beliefs and Christian 20%
Nigeria Islam 50%, Christian 40%, indigenous beliefs 10%
Norway Evangelical Lutheran 86% (state church), Pentecostal 1%, Roman Catholic 1%, other Christian 2% (2004)
Oman Islam: Ibadhi 75%, Sunni, Shi'a; Hindu
Pakistan Islam 97% (Sunni 77%, Shiite 20%); Christian, Hindu, and other 3%
Palau Roman Catholic 42%, Protestant 23%, Modekngei 9% (indigenous), Seventh-Day Adventist 5%, Jehovah's Witness 1%, Latter-Day Saints 1%, other religion 3%, unspecified or none 16% (2000)
Palestinian State (proposed) West Bank: Islam 75% (predominantly Sunni), Jewish 17%, Christian and other 8%; Gaza Strip: Islam 98.7% (predominantly Sunni), Christian 0.7%, Jewish 0.6%.
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 90%, Mennonite, other Protestant 10%
Peru Roman Catholic 81%, Seventh-Day Adventist 1%, other Christian 1%, unspecified or none 16% (2003 est.)
Philippines Roman Catholic 81%, Evangelical 3%, Iglesia ni Kristo 2%, Aglipayan 2%, other Christian 5%, Islam 5% (2000)
Poland Roman Catholic 90% (about 75% practicing), Eastern Orthodox 1%, Protestant and other (2002)
Portugal Roman Catholic 94%, Protestant (1995)
Qatar Islam 95%
Romania Romanian Orthodox 87%, Protestant 8%, Roman Catholic 5%, Islam and other (2002)
Russia Russian Orthodox 15%–20%, other Christian 2%, Islam 10%–15% (2006 est.; includes practicing worshippers only)
Rwanda Roman Catholic 56.5%, Protestant 26%, Adventist 11.1%, Islam 4.6%, indigenous beliefs 0.1%, none 1.7% (2001)
St. Kitts and Nevis Anglican, other Protestant, Roman Catholic
St. Lucia Roman Catholic 68%, Seventh-Day Adventist 9%, Pentecostal 6%, Evangelical 2%, Anglican 2%, other Christian 5%, Rastafarian 2%, none 5% (2001)
St. Vincent and the Grenadines Anglican 47%, Methodist 28%, Roman Catholic 13%, Hindu, Seventh-Day Adventist, other Protestant
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%, other Christian 4.5%, Worship Centre 1.3%, other 1.7%, unspecified 0.1% (2001)
San Marino Roman Catholic
São Tomé and Príncipe Catholic 70%, Evangelical 3%, New Apostolic 2%, Adventist 2%, other 3%, none 19% (2001)
Saudi Arabia Islam 100%
Senegal Islam 94%, Christian 5% (mostly Roman Catholic), indigenous 1%
Serbia Serbian Orthodox, Muslim, Roman Catholic, Protestant
Seychelles Roman Catholic 83%, Anglican 6%, Seventh-Day Adventist 1%, other Christian 3%, Hindu 2%, Muslim 1%, none 1%
Sierra Leone Islam 60%, indigenous 30%, Christian 10%
Singapore Buddhist 43%, Islam 15%, Taoist 9%, Hindu 4%, Catholic 5%, other Christian 10%, none 15% (2000)
Slovakia Roman Catholic 69%, Protestant 11%, Greek Catholic 4%, none 13% (2001)
Slovenia Catholic 58% Orthodox 2%, other Christian 1%, Islam 2%, none 10%
Solomon Islands Church of Melanesia 33%, Roman Catholic 19%, Seventh-Day Adventist 11%, United Church 10%, Christian Fellowship Church 2%, other Christian 4% (1999)
Somalia Islam (Sunni)
South Africa Zion Christian 11%, Pentecostal/Charismatic 8%, Catholic 7%, Methodist 7%, Dutch Reformed 7%, Anglican 4%, other Christian 36%, Islam 2%, none 15% (2001)
Spain Roman Catholic 94%, other 6%
Sri Lanka Buddhist 70%, Islam 8%, Hindu 7%, Christian 6% (2001)
Sudan Islam (Sunni) 70% (in north), indigenous 25%, Christian 5% (mostly in south and Khartoum)
Suriname Hindu 27.4%, Protestant 25.2% (predominantly Moravian), Roman Catholic 22.8%, Islam 19.6%, indigenous 5%
Swaziland Zionist (a blend of Christianity and indigenous ancestral worship) 40%; Roman Catholic 20%; Muslim 10%; Anglican, Bahai, Methodist, Mormon, Jewish, and other 30%
Sweden Lutheran 87%, Roman Catholic, Orthodox, Baptist, Muslim, Jewish, Buddhist
Switzerland Roman Catholic 42%, Protestant 35%, Orthodox 2%, Muslim 4%, none 11% (2000)
Syria Islam (Sunni) 74%; Alawite, Druze, and other Islamic sects 16%; Christian (various sects) 10%; Jewish (tiny communities in Damascus, Al Qamishli, and Aleppo)
Taiwan mixture of Buddhist, Confucian, and Taoist 93%, Christian 4.5%, other 2.5%
Tajikistan Islam: Sunni 85%, Shiite 5%; other 10% (2003 est.)
Tanzania mainland: Christian 30%, Islam 35%, indigenous 35%; Zanzibar: more than 99% Islam
Thailand Buddhist 95%, Islam 5%, Christian 1% (2000)
Togo Indigenous beliefs 51%, Christian 29%, Islam 20%
Tonga Christian (Free Wesleyan Church claims over 30,000 adherents)
Trinidad and Tobago Roman Catholic 26%, Anglican 8%, Baptist 7%, Pentecostal 7%, Seventh-Day Adventist 4%, other Christian 6%, Hindu 22%, Islam 6%, none 2%
Tunisia Islam (Sunni) 98%, Christian 1%, Jewish and other 1%
Turkey Islam (mostly Sunni) 99.8%, other 0.2% (mostly Christians and Jews)
Turkmenistan Islam 89%, Eastern Orthodox 9%, unknown 2%
Tuvalu Church of Tuvalu (Congregationalist) 97%, Seventh-Day Adventist 1%, Baha'i 1%
Uganda Roman Catholic 33%, Protestant 33%, Islam 16%, indigenous beliefs 18%
Ukraine Ukrainian Orthodox (Kiev Patriarchate 19%, Moscow Patriarchate 9%, no particular division 16%), Ukrainian Greek Catholic 6%, Ukrainian Autocephalous Orthodox 2%, Protestant, Jewish, none 38% (2004)
United Arab Emirates Islam 96% (Sunni 80%, Shiite 16%), Christian, Hindu, and other 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)
United States Protestant 52%, Roman Catholic 24%, Mormon 2%, Jewish 1%, Muslim 1%, none 10% (2002)
Uruguay Roman Catholic 66%, Protestant 2%, Jewish 1%
Uzbekistan Islam (mostly Sunnis) 88%, Eastern Orthodox 9%
Vanuatu Presbyterian 31%, Anglican 13%, Roman Catholic 13%, Seventh-Day Adventist 11%, other Christian 14%, indigenous beliefs 6% (including Jon Frum Cargo cult), none 1%
Vatican City (Holy See) Roman Catholic.
Venezuela Roman Catholic 96%, Protestant 2%
Vietnam Buddhist 9%, Catholic 7%, Hoa Hao 2%, Cao Dai 1%, Protestant, Islam, none 81%
Western Sahara (proposed state) Islam
Yemen Islam (including Sunni and Shiite), small numbers of Jewish, Christian, and Hindu
Zambia Christian 50%–75%, Islam and Hindu 24%–49%, indigenous beliefs 1%
Zimbabwe syncretic (part Christian, part indigenous beliefs) 50%, Christian 25%, indigenous beliefs 24%, Muslim and other 1%

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