List of countries by religious populations


This is a list of religious populations by number of adherents and countries.

Size of Major Religious Groups, 2010
ReligionPercent
Christianity
31.5%
Islam
23.2%
Unaffiliated
16.3%
Hinduism
15%
Buddhism
7.1%
Folk Religion
5.9%
Other (includes Judaism, Bahá’í, Sikhism, and Jainism)
1.0%
Pew Research Center, 2012[1]


Adherent estimates in 2019

Adherents.com says "Sizes shown are approximate estimates, and are here mainly for the purpose of ordering the groups, not providing a definitive number".
ReligionAdherentsPercentage
Christianity2.4 billion29.81%
Islam1.9 billion23.60%
Secular /Nonreligious /Agnostic/Atheist1.2 billion14.91%
Hinduism1.15 billion14.28%
Buddhism521 million6.47%
Chinese traditional religion394 million4.89%
Ethnic religions excluding some in separate categories300 million3.37%
African traditional religions100 million1.24%
Sikhism30 million0.37%
Spiritism15 million0.19%
Judaism14.5 million0.18%
Bahá'í7.0 million0.09%
Jainism4.2 million0.05%
Shinto4.0 million0.05%
Cao Dai4.0 million0.05%
Zoroastrianism2.6 million0.03%
Tenrikyo2.0 million0.02%
Neo-Paganism1.0 million0.01%
Unitarian Universalism0.8 million0.01%
Rastafari0.6 million0.01%
total8.0507 billion100%


List of countries by religious populations:


COUNTRY
Religions
Afghanistan Sunni Muslim 80%, Shia 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%
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%
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%
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 80.8%, Protestant 9%, other (includes Hindu, Muslim, Confucian, Jewish) 5.6%, none or unspecified 4.6%
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%
Azerbaijan Muslim 93.4%, Russian Orthodox 2.5%, Armenian Orthodox 2.3%, other 1.8%; note: religious affiliation is still nominal in Azerbaijan; percentages for actual practicing adherents are much lower
Bahrain Muslim (Shia and Sunni) 81.2%, Christian 9%, other 9.8%
Bangladesh Muslim 89.5%, Hindu 9.6%, other 0.9%
Barbados 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%
Belarus Eastern Orthodox 80%, other (including Roman Catholic, Protestant, Jewish, and Muslim) 20%
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%
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%
Bermuda Anglican 23%, Roman Catholic 15%, African Methodist Episcopal 11%, other Protestant 18%, other 12%, unaffiliated 6%, unspecified 1%, none 14%
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%
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%
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%
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%
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%
Cape Verde Roman Catholic (infused with indigenous beliefs), Protestant (mostly Church of the Nazarene)
Cayman Islands 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%
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%
Chile Roman Catholic 70%, Evangelical 15.1%, Jehovah's Witness 1.1%, other Christian 1%, other 4.6%, none 8.3%
China Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2%; note: officially atheist
Christmas Island Buddhist 36%, Muslim 25%, Christian 18%, other 21%
Cocos (Keeling) Islands Sunni Muslim 80%, other 20%
Colombia Roman Catholic 90%, other 10%
Comoros Sunni Muslim 98%, Roman Catholic 2%
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%
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 38.6%, Christian 32.8%, indigenous 11.9%, none 16.7%
Croatia Roman Catholic 87.8%, Orthodox 4.4%, Muslim 1.3%, Protestant 0.3%, others and unknown 6.2%
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%
Democratic Republic of the Congo Roman Catholic 50%, Protestant 20%, Kimbanguist 10%, Muslim 10%, other (includes syncretic sects and indigenous beliefs) 10%
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%
Dominican Republic Roman Catholic 95%, other 5%
East Timor Roman Catholic 98%, Muslim 1%, Protestant 1%
Ecuador Roman Catholic 95%, other 5%
Egypt Muslim (mostly Sunni) 90%, Coptic 9%, other Christian 1%
El Salvador Roman Catholic 57.1%, Protestant 21.2%, Jehovah's Witnesses 1.9%, Mormon 0.7%, other religions 2.3%, none 16.8%
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%
Ethiopia Orthodox 43.5%, Muslim 33.9%, Protestant 18.6%, traditional 2.6%, Catholic 0.7%, other 0.7%
European Union Roman Catholic, Protestant, Orthodox, Muslim, Jewish
Falkland Islands (Islas Malvinas) Christian 67.2%, none 31.5%, other 1.3%
Faroe Islands Evangelical Lutheran 83.8%, other and unspecified 16.2% (2006 administrative data)
Federated States of Micronesia Roman Catholic 50%, Protestant 47%, other 3%
Fiji 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%
Finland Lutheran Church of Finland 82.5%, Orthodox Church 1.1%, other Christian 1.1%, other 0.1%, none 15.1%
France Roman Catholic 83%-88%, Protestant 2%, Jewish 1%, Muslim 5%-10%, unaffiliated 4%
French Guiana Roman Catholic
French Polynesia Protestant 54%, Roman Catholic 30%, other 10%, no religion 6%
Gabon Christian 55%-75%, animist, Muslim less than 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%
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%
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%
Greece Greek Orthodox 98%, Muslim 1.3%, other 0.7%
Greenland Evangelical Lutheran
Grenada Roman Catholic 53%, Anglican 13.8%, other Protestant 33.2%
Guadeloupe Roman Catholic 95%, Hindu and pagan African 4%, Protestant 1%
Guam Roman Catholic 85%, other 15%
Guatemala Roman Catholic, Protestant, indigenous Mayan beliefs
Guernsey Roman Catholic, Presbyterian, Baptist, Congregational, Methodist
Guinea Muslim 85%, Christian 8%, indigenous beliefs 7%
Guinea-Bissau Muslim 50%, indigenous beliefs 40%, Christian 10%
Guyana 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%
Haiti Roman Catholic 80%, Protestant 16% (Baptist 10%, Pentecostal 4%, Adventist 1%, other 1%), none 1%, other 3%
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%
Iceland Lutheran Church of Iceland 82.1%, Roman Catholic Church 2.4%, Reykjavik Free Church 2.3%, Hafnarfjorour Free Church 1.6%, other Christian 2.8%, other religions 0.9%, unaffiliated 2.6%, other or unspecified 5.5%
India Hindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other 1.8%, unspecified 0.1%
Indonesia Muslim 86.1%, Protestant 5.7%, Roman Catholic 3%, Hindu 1.8%, other or unspecified 3.4%
Iran Muslim 98% (Shia 89%, Sunni 9%), other (includes Zoroastrian, Jewish, Christian, and Baha'i) 2%
Iraq Muslim 97% (Shia 60%-65%, Sunni 32%-37%), Christian or other 3%
Ireland Roman Catholic 87.4%, Church of Ireland 2.9%, other Christian 1.9%, other 2.1%, unspecified 1.5%, none 4.2%
Israel Jewish 75.5%, Muslim 16.8%, Christian 2.1%, Druze 1.7%, other 3.9%
Italy Roman Catholic 90% (approximately; about one-third practicing), 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%
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 Shia Muslim and Druze populations)
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 55%, Protestant 36%, Mormon 3.1%, Bahai 2.2%, Seventh-Day Adventist 1.9%, other 1.8%
Kuwait Muslim 85% (Sunni 70%, Shia 30%), other (includes Christian, Hindu, Parsi) 15%
Kyrgyzstan Muslim 75%, Russian Orthodox 20%, other 5%
Laos Buddhist 67%, Christian 1.5%, other and unspecified 31.5%
Latvia Lutheran 19.6%, Orthodox 15.3%, other Christian 1%, other 0.4%, unspecified 63.7%
Lebanon 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%; 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%
Luxembourg Roman Catholic 87%, other (includes Protestant, Jewish, and Muslim) 13%
Macau Buddhist 50%, Roman Catholic 15%, none and other 35%
Madagascar indigenous beliefs 52%, Christian 41%, Muslim 7%
Malawi Christian 79.9%, Muslim 12.8%, other 3%, none 4.3%
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%
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%
Martinique Roman Catholic 85%, Protestant 10.5%, Muslim 0.5%, Hindu 0.5%, other 3.5%
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%
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%
Moldova Eastern Orthodox 98%, Jewish 1.5%, Baptist and other 0.5%
Monaco Roman Catholic 90%, other 10%
Mongolia Buddhist Lamaist 50%, Shamanist and Christian 6%, Muslim 4%, none 40%
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%
Namibia Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
Nauru Nauru Congregational 35.4%, Roman Catholic 33.2%, Nauru Independent Church 10.4%, other 14.1%, none 4.5%, unspecified 2.4%
Nepal Hindu 80.6%, Buddhist 10.7%, Muslim 4.2%, Kirant 3.6%, other 0.9%; note: only official Hindu state in the world
Netherlands Roman Catholic 30%, Dutch Reformed 11%, Calvinist 6%, other Protestant 3%, Muslim 5.8%, other 2.2%, none 42%
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%
New Caledonia Roman Catholic 60%, Protestant 30%, other 10%
New Zealand Anglican 13.8%, Roman Catholic 12.6%, Presbyterian, Congregational, and Reformed 10%, Christian (no denomination specified) 4.6%, Methodist 3%, Pentecostal 2%, Baptist 1.4%, other Christian 3.8%, Maori Christian 1.6%, Hindu 1.6%, Buddhist 1.3%, other religions 2.2%, none 32.2%, other or unidentified 9.9%
Nicaragua Roman Catholic 58.5%, Evangelical 21.6%, Moravian 1.6%, Jehovah's Witness 0.9%, other 1.7%, none 15.7%
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%
Norfolk Island 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%
North Korea traditionally Buddhist and Confucianist, some Christian and syncretic Chondogyo (Religion of the Heavenly Way)
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%
Oman Ibadhi Muslim 75%, other (includes Sunni Muslim, Shi'a Muslim, Hindu) 25%
Pakistan Muslim 95% (Sunni 75%, Shia 20%), other (includes Christian and Hindu) 5%
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%
Panama Roman Catholic 85%, Protestant 15%
Papua New Guinea 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%
Paraguay Roman Catholic 89.6%, Protestant 6.2%, other Christian 1.1%, other or unspecified 1.9%, none 1.1%
Peru Roman Catholic 81.3%, Evangelical 12.5%, other 3.3%, unspecified or none 2.9%
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%
Pitcairn Islands -
Poland Roman Catholic 89.8% (about 75% practicing), Eastern Orthodox 1.3%, Protestant 0.3%, other 0.3%, unspecified 8.3%
Portugal Roman Catholic 84.5%, other Christian 2.2%, other 0.3%, unknown 9%, none 3.9%
Puerto Rico Roman Catholic 85%, Protestant and other 15%
Qatar Muslim 77.5%, Christian 8.5%, other 14%
Reunion Roman Catholic 86%, Hindu, Muslim, Buddhist
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%
Russia Russian Orthodox 15-20%, Muslim 10-15%, other Christian 2%; 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%
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%
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%
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%
Saudi Arabia Muslim 100%
Senegal Muslim 94%, Christian 5% (mostly Roman Catholic), indigenous beliefs 1%
Serbia and Montenegro Serbian Orthodox 85%, Catholic 5.5%, Protestant 1.1%, Muslim 3.2%, unspecified 2.6%, other, unknown, or atheist 2.6%
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%
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%
Slovakia Roman Catholic 68.9%, Protestant 10.8%, Greek Catholic 4.1%, other or unspecified 3.2%, none 13%
Slovenia Catholic 57.8%, Muslim 2.4%, Orthodox 2.3%, other Christian 0.9%, unaffiliated 3.5%, other or unspecified 23%, none 10.1%
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%
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%
South Korea Christian 26.3% (Protestant 19.7%, Roman Catholic 6.6%), Buddhist 23.2%, other or unknown 1.3%, none 49.3%
Spain Roman Catholic 94%, other 6%
Sri Lanka Buddhist 69.1%, Muslim 7.6%, Hindu 7.1%, Christian 6.2%, unspecified 10%
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%
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%, Shia Muslim 5%, other 10%
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%
The Bahamas 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%
The Gambia Muslim 90%, Christian 8%, indigenous beliefs 2%
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%
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%
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%
Ukraine 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%
United Arab Emirates Muslim 96% (Shia 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%
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%
Uruguay Roman Catholic 47.1%, non-Catholic Christians 11.1%, nondenominational 23.2%, Jewish 0.3%, atheist or agnostic 17.2%, other 1.1%
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%
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
Yemen Muslim including Shaf'i (Sunni) and Zaydi (Shia), 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%