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AfghanistanSunni Muslim 80%, Shia Muslim 19%, other 1%
AlbaniaMuslim 56.7%, Roman Catholic 10%, Orthodox 6.8%, atheist 2.5%, Bektashi (a Sufi order) 2.1%, other 5.7%, unspecified 16.2%
note: all mosques and churches were closed in 1967 and religious observances prohibited; in November 1990, Albania began allowing private religious practice (2011 est.)
AlgeriaMuslim (official; predominantly Sunni) 99%, other (includes Christian and Jewish) <1% (2012 est.)
American SamoaChristian Congregationalist 50%, Roman Catholic 20%, Protestant and other 30%
AndorraRoman Catholic (predominant)
Angolaindigenous beliefs 47%, Roman Catholic 38%, Protestant 15% (1998 est.)
AnguillaProtestant 83.1% (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 BarbudaProtestant 76.4% (Anglican 25.7%, Seventh-Day Adventist 12.3%, Pentecostal 10.6%, Moravian 10.5%, Methodist 7.9%, Baptist 4.9%, Church of God 4.5%), Roman Catholic 10.4%, other Christian 5.4%, other 2%, none or unspecified 5.8% (2001 census)
Argentinanominally Roman Catholic 92% (less than 20% practicing), Protestant 2%, Jewish 2%, other 4%
ArmeniaArmenian Apostolic 92.6%, Evangelical 1%, other 2.4%, none 1.1%, unspecified 2.9% (2011 est.)
ArubaRoman Catholic 75.3%, Protestant 4.9% (includes Methodist .9%, Adventist .9%, Anglican .4%, other Protestant 2.7%), Jehovah's Witness 1.7%, other 12%, none 5.5%, unspecified 0.5% (2010 est.)
AustraliaProtestant 28.8% (Anglican 17.1%, Uniting Church 5.0%, Presbyterian and Reformed 2.8%, Baptist, 1.6%, Lutheran 1.2%, Pentecostal 1.1%), Catholic 25.3%, Eastern Orthodox 2.6%, other Christian 4.5%, Buddhist 2.5%, Muslim 2.2%, Hindu 1.3%, other 8.4%, unspecified 2.2%, none 22.3%
note: percentages add up to more than 100% due to rounding (2006 est.)
AustriaRoman Catholic 73.6%, Protestant 4.7%, Muslim 4.2%, other 3.5%, unspecified 2%, none 12% (2001 census)
AzerbaijanMuslim 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, TheProtestant 69.9% (includes Baptist 34.9%, Anglican 13.7%, Pentecostal 8.9% Seventh Day Adventist 4.4%, Methodist 3.6%, Church of God 1.9%, Brethren 1.6%), Roman Catholic 12%, other Christian 13% (includes Jehovah's Witness 1.1%), other 0.6%, none 1.9%, unspecified 2.6% (2010 est.)
BahrainMuslim 70.3%, Christian 14.5%, Hindu 9.8%, Buddhist 2.5%, Jewish 0.6%, folk religion <.1, unaffiliated 1.9%, other 0.2% (2010 est.)
BangladeshMuslim 89.5%, Hindu 9.6%, other 0.9% (2004)
BarbadosProtestant 66.3% (includes Anglican 23.9%, other Pentecostal 19.5%, Adventist 5.9%, Methodist 4.2%, Wesleyan 3.4%, Nazarene 3.2%, Church of God 2.4%, Baptist 1.8%, Moravian 1.2%, other Protestant .8%), Roman Catholic 3.8%, other Christian 5.4% (includes Jehovah's Witness 2.0%, other 3.4%), Rastafarian 1%, other 1.5%, none 20.6%, unspecified 1.2% (2010 est.)
BelarusEastern Orthodox 80%, other (including Roman Catholic, Protestant, Jewish, and Muslim) 20% (1997 est.)
BelgiumRoman Catholic 75%, other (includes Protestant) 25%
BelizeRoman Catholic 39.3%, Pentacostal 8.3%, Seventh Day Adventist 5.3%, Anglican 4.5%, Mennonite 3.7%, Baptist 3.5%, Methodist 2.8%, Nazarene 2.8%, Jehovah's Witnesses 1.6%, other 9.9% (includes Baha'i Faith, Buddhism, Hinduism, Islam, and Mormon), other (unknown) 3.1%, none 15.2% (2010 census)
BeninCatholic 27.1%, Muslim 24.4%, Vodoun 17.3%, Protestant 10.4% (Celestial 5%, Methodist 3.2%, other Protestant 2.2%), other Christian 5.3%, other 15.5% (2002 census)
BermudaProtestant 46.1% (Anglican 15.8%, African Methodist Episcopal 8.6%, Seventh Day Adventist 6.7, Pentecostal 3.5%, Methodist 2.7%, Presbyterian 2.0 %, Church of God 1.6%, Baptist 1.2%, Salvation Army 1.1%, Bretheren 1.0%, other Protestant 2.0%), Roman Catholic 14.5%, Jehovah's Witness 1.3%, other Christian 9.1%, Muslim 1%, other 3.9%, none 17.8%, unspecified 6.2% (2010 est.)
BhutanLamaistic Buddhist 75.3%, Indian- and Nepalese-influenced Hinduism 22.1%, other 2.6% (2005 est.)
BoliviaRoman Catholic 95%, Protestant (Evangelical Methodist) 5%
Bosnia and HerzegovinaMuslim 40%, Orthodox 31%, Roman Catholic 15%, other 14%
BotswanaChristian 71.6%, Badimo 6%, other 1.4%, unspecified 0.4%, none 20.6% (2001 census)
BrazilRoman Catholic 64.6%, other Catholic 0.4%, Protestant 22.2% (includes Adventist 6.5%, Assembly of God 2.0%, Christian Congregation of Brazil 1.2%, Universal Kingdom of God 1.0%, other Protestant 11.5%), other Christian 0.7%, Spiritist 2.2%, other 1.4%, none 8%, unspecified 0.4% (2010 est.)
British Virgin IslandsProtestant 84% (Methodist 33%, Anglican 17%, Church of God 9%, Seventh-Day Adventist 6%, Baptist 4%, other 15%), Roman Catholic 10%, Jehovah's Witnesses 2%, other 2%, none 2% (1991)
BruneiMuslim (official) 78.8%, Christian 8.7%, Buddhist 7.8%, other (includes indigenous beliefs) 4.7% (2011 est.)
BulgariaEastern Orthodox 59.4%, Muslim 7.8%, other (including Catholic, Protestant, Armenian Apostolic Orthodox, and Jewish) 1.7%, none 3.7%, unspecified 27.4% (2011 est.)
Burkina FasoMuslim 60.5%, Catholic 19%, animist 15.3%, Protestant 4.2%, other 0.6%, none 0.4% (2006 est.)
BurmaBuddhist 89%, Christian 4% (Baptist 3%, Roman Catholic 1%), Muslim 4%, Animist 1%, other 2%
BurundiCatholic 62.1%, Protestant 23.9% (includes Adventist 2.3% and other Protestant 21.6%), Muslim 2.5%, other 3.6%, unspecified 7.9% (2008 est.)
CambodiaBuddhist (official) 96.9%, Muslim 1.9%, Christian 0.4%, other 0.8% (2008 est.)
Cameroonindigenous beliefs 40%, Christian 40%, Muslim 20%
CanadaCatholic 40.6% (includes Roman Catholic 38.8%, Orthodox 1.6%, other Catholic .2%), Protestant 20.3% (includes United Church 6.1%, Anglican 5%, Baptist 1.9%, Lutheran 1.5%, Pentecostal 1.5%, Presbyterian 1.4%, other Protestant 2.9%), other Christian 6.3%, Muslim 3.2%, Hindu 1.5%, Sikh 1.4%, Buddhist 1.1%, Jewish 1%, other 0.6%, none 23.9% (2011 est.)
Cape VerdeRoman Catholic 77.3%, Protestant 3.7% (includes Church of the Nazarene 1.7%, Adventist 1.5%, Universal Kingdom of God .4%, and God and Love .1%), other Christian 4.3% (includes Christian Rationalism 1.9%, Jehovah's Witness 1%, Assembly of God .9%, and New Apostolic .5%), Muslim 1.8%, other 1.3%, none 10.8%, unspecified 0.7% (2010 est.)
Cayman IslandsProtestant 67.8% (includes Church of God 22.6%, Seventh Day Adventist 9.4%, Presbyterian/United Church 8.6%, Baptist 8.3%,Pentecostal 7.1%, non-denominational 5.3%, Anglican 4.1%, Wesleyan Holiness 2.4%), Roman Catholic 14.1%, Jehovah's Witness 1.1%, other 7%, none 9.3%, unspecified 0.7% (2010 est.)
Central African Republicindigenous beliefs 35%, Protestant 25%, Roman Catholic 25%, Muslim 15%
note: animistic beliefs and practices strongly influence the Christian majority
ChadMuslim 53.1%, Catholic 20.1%, Protestant 14.2%, animist 7.3%, other 0.5%, unknown 1.7%, atheist 3.1% (1993 census)
ChileRoman Catholic 66.7%, Evangelical or Protestant 16.4%, Jehovah's Witnesses 1%, other 3.4%, none 11.5%, unspecified 1.1% (2012 est.)
ChinaBuddhist 18.2%, Christian 5.1%, Muslim 1.8%, folk religion 21.9%, Hindu < .1%, Jewish < .1%, other 0.7% (includes Daoist (Taoist)), unaffiliated 52.2%
note: officially atheist (2010 est.)
Christmas IslandBuddhist 36%, Muslim 25%, Christian 18%, other 21% (1997)
Cocos (Keeling) IslandsSunni Muslim 80%, other 20% (2002 est.)
ColombiaRoman Catholic 90%, other 10%
ComorosSunni Muslim 98%, Roman Catholic 2%
Congo, Democratic Republic of theRoman Catholic 50%, Protestant 20%, Kimbanguist 10%, Muslim 10%, other (includes syncretic sects and indigenous beliefs) 10%
Congo, Republic of theRoman Catholic 33.1%, Awakening Churches/Christian Revival 22.3%, Protestant 19.9%, Salutiste 2.2%, Muslim 1.6%, Kimbanguiste 1.5%, other 8.1%, none 11.3% (2010 est.)
Cook IslandsProtestant 62.8% (Cook Islands Christian Church 49.1%, Seventh-Day Adventist 7.9%, Assemblies of God 3.7%, Apostolic Church 2.1%), Roman Catholic 17%, Mormon 4.4%, other 8%, none 5.6%, no response 2.2% (2011 est.)
Costa RicaRoman Catholic 76.3%, Evangelical 13.7%, Jehovah's Witnesses 1.3%, other Protestant 0.7%, other 4.8%, none 3.2%
Cote d'IvoireMuslim 38.6%, Christian 32.8%, indigenous 11.9%, none 16.7% (2008 est.)
note: the majority of foreigners (migratory workers) are Muslim (70%) and Christian (20%)
CroatiaRoman Catholic 86.3%, Orthodox 4.4%, Muslim 1.5%, other 1.5%, unspecified 2.5%, not religious or atheist 3.8% (2011 est.)
Cubanominally Roman Catholic 85%, Protestant, Jehovah's Witnesses, Jewish, Santeria
note: prior to CASTRO assuming power
CuracaoRoman Catholic 72.8%, Pentecostal 6.6%, Protestant 3.2%, Adventist 3%, Jehovah's Witness 2%, Evangelical 1.9%, other 3.8%, none 6%, unspecified 0.6% (2011 est.)
CyprusGreek Orthodox 78%, Muslim 18%, other (includes Maronite and Armenian Apostolic) 4%
Czech RepublicRoman Catholic 10.4%, Protestant (includes Czech Brethren and Hussite) 1.1%, other and unspecified 54%, none 34.5% (2011 est.)
DenmarkEvangelical Lutheran (official) 80%, Muslim 4%, other (denominations of less than 1% each, includes Roman Catholic, Jehovah's Witness, Serbian Orthodox Christian, Jewish, Baptist, and Buddhist) 16% (2012 est.)
DjiboutiMuslim 94%, Christian 6%
DominicaRoman Catholic 61.4%, Protestant 20.6% (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 RepublicRoman Catholic 95%, other 5%
East TimorRoman Catholic 96.9%, Protestant / Evangelical 2.2%, Muslim 0.3%, other 0.6% (2005)
EcuadorRoman Catholic 95%, other 5%
EgyptMuslim (predominantly Sunni) 90%, Christian (majority Coptic Orthodox, other Christians include Armenian Apostolic, Catholic, Maronite, Orthodox, and Anglican) 10% (2012 est.)
El SalvadorRoman Catholic 57.1%, Protestant 21.2%, Jehovah's Witnesses 1.9%, Mormon 0.7%, other religions 2.3%, none 16.8% (2003 est.)
Equatorial Guineanominally Christian and predominantly Roman Catholic, pagan practices
EritreaMuslim, Coptic Christian, Roman Catholic, Protestant
EstoniaLutheran 9.9%, Orthodox 16.2%, other Christian (including Methodist, Seventh-Day Adventist, Roman Catholic, Pentecostal) 2.2%, other 0.9%, none 54.1%, unspecified 16.7% (2011 est.)
EthiopiaEthiopian Orthodox 43.5%, Muslim 33.9%, Protestant 18.5%, traditional 2.7%, Catholic 0.7%, other 0.6% (2007 est.)
European UnionRoman Catholic, Protestant, Orthodox, Muslim, Jewish
Falkland Islands (Islas Malvinas)Christian 66%, none 32%, other 2% (2012 est.)
Faroe IslandsEvangelical Lutheran 83.8%, other and unspecified 16.2% (2006 census)
FijiProtestant 45% (Methodist 34.6%, Assembly of God 5.7%, Seventh Day Adventist 3.9%, and Anglican 0.8%), Hindu 27.9%, other Christian 10.4%, Roman Catholic 9.1%, Muslim 6.3%, Sikh 0.3%, other 0.3%, none 0.8% (2007 est.)
FinlandLutheran 78.4%, Orthodox 1.1%, other Christian 1.1%, other 0.2%, none 19.2% (2010 est.)
FranceRoman Catholic 83%-88%, Protestant 2%, Jewish 1%, Muslim 5%-10%, unaffiliated 4%
overseas departments: Roman Catholic, Protestant, Hindu, Muslim, Buddhist, pagan
French PolynesiaProtestant 54%, Roman Catholic 30%, other 10%, no religion 6%
GabonChristian 55%-75%, animist, Muslim less than 1%
Gambia, TheMuslim 90%, Christian 8%, indigenous beliefs 2%
Gaza StripMuslim 98.0 - 99.0% (predominantly Sunni), Christian <1.0%, other, unaffiliated, unspecified <1.0%
note: dismantlement of Israeli settlements was completed in September 2005; Gaza has had no Jewish population since then (2012 est.)
GeorgiaOrthodox Christian (official) 83.9%, Muslim 9.9%, Armenian-Gregorian 3.9%, Catholic 0.8%, other 0.8%, none 0.7% (2002 census)
GermanyProtestant 34%, Roman Catholic 34%, Muslim 3.7%, unaffiliated or other 28.3%
GhanaChristian 71.2% (Pentecostal/Charismatic 28.3%, Protestant 18.4%, Catholic 13.1%, other 11.4%), Muslim 17.6%, traditional 5.2%, other 0.8%, none 5.2% (2010 census)
GibraltarRoman 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)
GreeceGreek Orthodox (official) 98%, Muslim 1.3%, other 0.7%
GreenlandEvangelical Lutheran, traditional Inuit spiritual beliefs
GrenadaRoman Catholic 53%, Anglican 13.8%, other Protestant 33.2%
GuamRoman Catholic 85%, other 15% (1999 est.)
GuatemalaRoman Catholic, Protestant, indigenous Mayan beliefs
GuernseyProtestant (Anglican, Presbyterian, Baptist, Congregational, Methodist), Roman Catholic
GuineaMuslim 85%, Christian 8%, indigenous beliefs 7%
Guinea-BissauMuslim 50%, indigenous beliefs 40%, Christian 10%
GuyanaProtestant 30.5% (Pentecostal 16.9%, Anglican 6.9%, Seventh Day Adventist 5%, Methodist 1.7%), Hindu 28.4%, Roman Catholic 8.1%, Muslim 7.2%, Jehovah's Witnesses 1.1%, other Christian 17.7%, other 1.9%, none 4.3%, unspecified 0.9% (2002 est.)
HaitiRoman 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
HondurasRoman Catholic 97%, Protestant 3%
Hong Kongeclectic mixture of local religions 90%, Christian 10%
HungaryRoman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
IcelandEvangelical Lutheran Church of Iceland (official) 76.2%, Roman Catholic 3.4%, Reykjavik Free Church 2.9%, Hafnarfjorour Free Church 1.9%, The Independent Congregation 1%, other religions 3.6% (includes Pentecostal and Asatru Association), none 5.2%, other or unspecified 5.9% (2013 est.)
IndiaHindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other 1.8%, unspecified 0.1% (2001 census)
IndonesiaMuslim 87.2%, Christian 7%, Roman Catholic 2.9%, Hindu 1.7%, other 0.9% (includes Buddhist and Confucian), unspecified 0.4% (2010 est.)
IranMuslim (official) 99.4% (Shia 90-95%, Sunni 5-10%), other (includes Zoroastrian, Jewish, and Christian) 0.3%, unspecified 0.4% (2011 est.)
IraqMuslim (official) 99% (Shia 60%-65%, Sunni 32%-37%), Christian 0.8%, Hindu <.1, Buddhist <.1, Jewish <.1, folk religion <.1, unafilliated .1, other <.1
note: while there has been voluntary relocation of many Christian families to northern Iraq, recent reporting indicates that the overall Christian population may have dropped by as much as 50 percent since the fall of the Saddam HUSSEIN regime in 2003, with many fleeing to Syria, Jordan, and Lebanon (2010 est.)
IrelandRoman Catholic 84.7%, Church of Ireland 2.7%, other Christian 2.7%, Muslim 1.1%, other 1.7%, unspecified 1.5%, none 5.7% (2011 est.)
Isle of ManProtestant (Anglican, Methodist, Baptist, Presbyterian, Society of Friends), Roman Catholic
IsraelJewish 75.1%, Muslim 17.4%, Christian 2%, Druze 1.6%, other 3.9% (2012 est.)
ItalyChristian 80% (overwhelmingly Roman Catholic with very small groups of Jehovah's Witnesses and Protestants), Muslim (about 800,000 to 1 million), Atheist and Agnostic 20%
JamaicaProtestant 64.8% (includes Seventh Day Adventist 12.0%, Pentecostal 11.0%, Other Church of God 9.2%, New Testament Church of God 7.2%, Baptist 6.7%, Church of God in Jamaica 4.8%, Church of God of Prophecy 4.5%, Anglican 2.8%, United Church 2.1%, Methodist 1.6%, Revived 1.4%, Brethren .9%, and Moravian .7%), Roman Catholic 2.2%, Jehovah's Witness 1.9%, Rastafarian 1.1%, other 6.5%, none 21.3%, unspecified 2.3% (2011 est.)
JapanShintoism 83.9%, Buddhism 71.4%, Christianity 2%, other 7.8%
note: total adherents exceeds 100% because many people belong to both Shintoism and Buddhism (2005)
JerseyProtestant (Anglican, Baptist, Congregational New Church, Methodist, Presbyterian), Roman Catholic
JordanMuslim 97.2% (official; predominantly Sunni), Christian 2.2% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), Buddhist 0.4%, Hindu 0.1%, Jewish <.1, folk religion <.1, unaffiliated <.1, other <.1 (2010 est.)
KazakhstanMuslim 70.2%, Christian 26.2% (mainly Russian Orthodox), other 0.2%, atheist 2.8%, unspecified 0.5% (2009 est.)
KenyaChristian 82.5% (Protestant 47.4%, Catholic 23.3%, other 11.8%), Muslim 11.1%, Traditionalists 1.6%, other 1.7%, none 2.4%, unspecified 0.7% (2009 census)
KiribatiRoman Catholic 55.8%, Kempsville Presbyterian Church 33.5%, Mormon 4.7%, Baha'i 2.3%, Seventh-Day Adventist 2%, other 1.5%, none 0.2%, unspecified 0.05% (2010 est.)
Korea, Northtraditionally 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, SouthChristian 31.6% (Protestant 24%, Roman Catholic 7.6%), Buddhist 24.2%, other or unknown 0.9%, none 43.3% (2010 survey)
KosovoMuslim, Serbian Orthodox, Roman Catholic
KuwaitMuslim (official) 76.7%, Christian 17.3%, other and unspecified 5.9%
note: represents the total population; about 69% of the population consists of immigrants (2013 est.)
KyrgyzstanMuslim 75%, Russian Orthodox 20%, other 5%
LaosBuddhist 67%, Christian 1.5%, other and unspecified 31.5% (2005 census)
LatviaLutheran 19.6%, Orthodox 15.3%, other Christian 1%, other 0.4%, unspecified 63.7% (2006)
LebanonMuslim 54% (27% Sunni, 27% Shia), Christian 40.5% (includes 21% Maronite Catholic, 8% Greek Orthodox, 5% Greek Catholic, 6.5% other Christian), Druze 5.6%, very small numbers of Jews, Baha'is, Buddhists, Hindus, and Mormons
note: 18 religious sects recognized (2012 est.)
LesothoChristian 80%, indigenous beliefs 20%
LiberiaChristian 85.6%, Muslim 12.2%, Traditional 0.6%, other 0.2%, none 1.4% (2008 Census)
LibyaMuslim (official; virtually all Sunni) 96.6%, Christian 2.7%, Buddhist 0.3%, Hindu <.1, Jewish <.1, folk religion <.1, unafilliated 0.2%, other <.1
note: non-Sunni Muslims include native Ibadhi Muslims (<1% of the population) and foreign Muslims (2010 est.)
LiechtensteinRoman Catholic (official) 75.9%, Protestant Reformed 6.5%, Muslim 5.4%, Lutheran 1.3%, other 2.9%, none 5.4%, unspecified 2.6% (2010 est.)
LithuaniaRoman Catholic 77.2%, Russian Orthodox 4.1%, Old Believer 0.8%, Evangelical Lutheran 0.6%, Evangelical Reformist 0.2%, other (including Sunni Muslim, Jewish, Greek Catholic, and Karaite) 0.8%, none 6.1%, unspecified 10.1% (2011 est.)
LuxembourgRoman Catholic 87%, other (includes Protestant, Jewish, and Muslim) 13% (2000)
MacauBuddhist 50%, Roman Catholic 15%, none or other 35% (1997 est.)
MacedoniaMacedonian Orthodox 64.7%, Muslim 33.3%, other Christian 0.37%, other and unspecified 1.63% (2002 census)
Madagascarindigenous beliefs 52%, Christian 41%, Muslim 7%
MalawiChristian 82.6%, Muslim 13%, other 1.9%, none 2.5% (2008 est.)
MalaysiaMuslim (official) 61.3%, Buddhist 19.8%, Christian 9.2%, Hindu 6.3%, Confucianism, Taoism, other traditional Chinese religions 1.3%, other 0.4%, none 0.8%, unspecified 1% (2010 est.)
MaldivesSunni Muslim (official)
MaliMuslim 94.8%, Christian 2.4%, Animist 2%, none 0.5%, unspecified 0.3% (2009 Census)
MaltaRoman Catholic (official) more than 90% (2011 est.)
Marshall IslandsProtestant 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)
MauritaniaMuslim (official) 100%
MauritiusHindu 48.5%, Roman Catholic 26.3%, Muslim 17.3%, other Christian 6.4%, other 0.6%, none 0.7%, unspecified 0.1% (2011 est.)
MexicoRoman Catholic 82.7%, Pentecostal 1.6%, Jehovah's Witnesses 1.4%, other Evangelical Churches 5%, other 1.9%, none 4.7%, unspecified 2.7% (2010 est.)
Micronesia, Federated States ofRoman Catholic 54.7%, Protestant 41.1% (includes Congregational 38.5%, Baptist 1.1%, Seventh Day Adventist 0.8%, Assembly of God .7%), Mormon 1.5%, other 1.9%, none 0.7%, unspecified 0.1% (2010 est.)
MoldovaOrthodox 93.3%, Baptist 1%, other Christian 1.2%, other 0.9%, atheist 0.4%, none 1%, unspecified 2.2% (2004 est.)
MonacoRoman Catholic 90% (official), other 10%
MongoliaBuddhist 53%, Muslim 3%, Christian 2.2%, Shamanist 2.9%, other 0.4%, none 38.6% (2010 est.)
MontenegroOrthodox 72.1%, Muslim 19.1%, Catholic 3.4%, atheist 1.2%, other 1.5%, unspecified 2.6% (2011 est.)
MontserratProtestant 67.1% (includes Anglican 21.8%, Methodist 17%, Pentecostal 14.1%, Seventh Day Adventist 10.5%, and Church of God 3.7%), Roman Catholic 11.6%, Rastafarian 1.4%, other 6.5%, none 2.6%, unspecified 10.8% (2001 est.)
MoroccoMuslim 99% (official; virtually all Sunni, <.1% Shia), other 1% (includes Christian, Jewish, and Baha'i), Jewish about 6,000 (2010 est.)
MozambiqueRoman Catholic 28.4%, Muslim 17.9%, Zionist Christian 15.5%, Protestant 12.2% (includes Pentecostal 10.9% and Anglican 1.3%), other 6.7%, none 18.7%, unspecified 0.7% (2007 est.)
NamibiaChristian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
NauruProtestant 60.4% (includes Nauru Congregational 35.7%, Assembly of God 13%, Nauru Independent Church 9.5%, Baptist 1.5%, and Seventh Day Adventist .7%), Roman Catholic 33%, other 3.7%, none 1.8%, unspecified 1.1% (2011 est.)
NepalHindu 81.3%, Buddhist 9%, Muslim 4.4%, Kirant 3.1%, Christian 1.4%, other 0.5%, unspecifed 0.2% (2011 est.)
NetherlandsRoman Catholic 28%, Protestant 19% (includes Dutch Reformed 9%, Protestant Church of The Netherlands, 7%, Calvinist 3%), other 11% (includes about 5% Muslim and lesser numbers of Hindu, Buddhist, Jehovah's Witness, and Orthodox), none 42% (2009 est.)
New CaledoniaRoman Catholic 60%, Protestant 30%, other 10%
New ZealandChristian 44.3% (Catholic 11.6%, Anglican 10.8%, Presbyterian and Congregational 7.8%, Methodist, 2.4%, Pentecostal 1.8%, other 9.9%), Hindu 2.1%, Buddhist 1.4%, Maori Christian 1.3%, Islam 1.1%, other religion 1.4% (includes Judaism, Spiritualism and New Age religions, Baha'i, Asian religions other than Buddhism), no religion 38.5%, not stated or unidentified 8.2%, objected to answering 4.1%
note: based on the 2013 census of the usually resident population; percentages add up to more than 100% because people were able to identify more than one religion (2013 est.)
NicaraguaRoman Catholic 58.5%, Protestant 23.2% (Evangelical 21.6%, Moravian 1.6%), Jehovah's Witnesses 0.9%, other 1.6%, none 15.7% (2005 est.)
NigerMuslim 80%, other (includes indigenous beliefs and Christian) 20%
NigeriaMuslim 50%, Christian 40%, indigenous beliefs 10%
NiueEkalesia Niue (Congregational Christian Church of Niue - a Protestant church founded by missionaries from the London Missionary Society) 67%, other Protestant 3% (includes Seventh Day Adventist 1%, Presbyterian 1%, and Methodist 1%), Mormon 10%, Roman Catholic 10%, Jehovah's Witnesses 2%, other 6%, none 2% (2011 est.)
Norfolk IslandProtestant 49.6% (Anglican 31.8%, Uniting Church in Australia 10.6%, Seventh-Day Adventist 3.2%), Roman Catholic 11.7%, other 8.6%, none 23.5%, unspecified 6.6% (2011 est.)
Northern Mariana IslandsChristian (Roman Catholic majority, although traditional beliefs and taboos may still be found)
NorwayChurch of Norway (Evangelical Lutheran - official) 82.1%, other Christian 3.9%, Muslim 2.3%, Roman Catholic 1.8%, other 2.4%, unspecified 7.5% (2011 est.)
OmanMuslim (official; majority are Ibadhi, lesser numbers of Sunni and Shia)) 85.9%, Christian 6.5%, Hindu 5.5%, Buddhist 0.8%, Jewish <.1, other 1%, unaffiliated 0.2%
note: approximately 75% of Omani citizens, who compose almost 70% of the country's total population, are Ibadhi Muslims; the Omani government does not keep statistics on religious affiliation (2013) (2010 est.)
PakistanMuslim (official) 96.4% (Sunni 85-90%, Shia 10-15%), other (includes Christian and Hindu) 3.6% (2010 est.)
PalauRoman Catholic 49.4%, Protestant 30.9% (includes Protestant (general) 23.1%, Seventh Day Adventist 5.3%, and other Protestant 2.5%), Modekngei 8.7% (indigenous to Palau), Jehovah's Witnesses 1.1%, other 8.8%, none or unspecified 1.1% (2005 est.)
PanamaRoman Catholic 85%, Protestant 15%
Papua New GuineaRoman Catholic 27%, Protestant 69.4% (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%), Baha'i 0.3%, indigenous beliefs and other 3.3% (2000 census)
ParaguayRoman Catholic 89.6%, Protestant 6.2%, other Christian 1.1%, other or unspecified 1.9%, none 1.1% (2002 census)
PeruRoman Catholic 81.3%, Evangelical 12.5%, other 3.3%, none 2.9% (2007 est.)
PhilippinesCatholic 82.9% (Roman Catholic 80.9%, Aglipayan 2%), Muslim 5%, Evangelical 2.8%, Iglesia ni Kristo 2.3%, other Christian 4.5%, other 1.8%, unspecified 0.6%, none 0.1% (2000 census)
Pitcairn IslandsSeventh-Day Adventist 100%
PolandCatholic 87.2% (includes Roman Catholic 86.9% and Greek Catholic, Armenian Catholic, and Byzantine-Slavic Catholic .3%), Orthodox 1.3% (almost all are Polish Autocephalous Orthodox), Protestant 0.4% (mainly Augsburg Evangelical and Pentacostal), other 0.4% (includes Jehovah's Witness, Buddhist, Hare Krishna, Gaudiya Vaishnavism, Muslim, Jewish, Mormon), unspecified 10.8% (2012 est.)
PortugalRoman Catholic 81%, other Christian 3.3%, other (includes Jewish, Muslim, other) 0.6%, none 6.8%, unspecified 8.3%
notes: represents population 15 years of age and older (2011 est.)
Puerto RicoRoman Catholic 85%, Protestant and other 15%
QatarMuslim 77.5%, Christian 8.5%, other (includes mainly Hindu and other Indian religions) 14% (2004 est.)
RomaniaEastern Orthodox (including all sub-denominations) 81.9%, Protestant (various denominations including Reformed and Pentecostal) 6.4%, Roman Catholic 4.3%, other (includes Muslim) 0.9%, none or atheist 0.2%, unspecified 6.3% (2011 est.)
RussiaRussian 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
RwandaRoman Catholic 49.5%, Protestant 39.4% (includes Adventist 12.2% and other Protestant 27.2%), other Christian 4.5%, Muslim 1.8%, animist 0.1%, other 0.6%, none 3.6% (2001), unspecified 0.5% (2002 est.)
Saint BarthelemyRoman Catholic, Protestant, Jehovah's Witnesses
Saint HelenaProtestant (Anglican (majority), Baptist, Seventh-Day Adventist), Roman Catholic
Saint Kitts and NevisAnglican, other Protestant, Roman Catholic
Saint LuciaRoman Catholic 61.5%, Protestant 25.5% (includes Seventh Day Adventist 10.4%, Pentecostal 8.9%, Baptist 2.2%, Anglican 1.6%, Church of God 1.5%, other Protestant .9%), other Christian 3.4% (includes Evangelical 2.3% and Jehovah's Witness 1.1%), Rastafarian 1.9%, other 0.4%, none 5.9%, unspecified 1.4% (2010 est.)
Saint MartinRoman Catholic, Jehovah's Witnesses, Protestant, Hindu
Saint Pierre and MiquelonRoman Catholic 99%, other 1%
Saint Vincent and the GrenadinesProtestant 75% (Anglican 47%, Methodist 28%), Roman Catholic 13%, other (includes Hindu, Seventh-Day Adventist, other Protestant) 12%
SamoaProtestant 57.4% (Congregationalist 31.8%, Methodist 13.7%, Assembly of God 8%, Seventh-Day Adventist 3.9%), Roman Catholic 19.4%, Mormon 15.2%, Worship Centre 1.7%, other Christian 5.5%, other 0.7%, none 0.1%, unspecified 0.1% (2011 est.)
San MarinoRoman Catholic
Sao Tome and PrincipeCatholic 55.7%, Adventist 4.1%, Assembly of God 3.4%, New Apostolic 2.9%, Mana 2.3%, Universal Kingdom of God 2%, Jehovah's Witness 1.2%, other 6.2%, none 21.2%, unspecified 1% (2012 est.)
Saudi ArabiaMuslim (official; citizens are 85-90% Sunni and 10-15% Shia), other (includes Eastern Orthodox, Protestant, Roman Catholic, Jewish, Hindu, Buddhist, and Sikh) (2012 est.)
note: despite having a large expatriate community of various faiths (more than 30% of the population), most forms of public religious expression inconsistent with the government-sanctioned interpretation of Sunni Islam are restricted; non-Muslims are not allowed to have Saudi citizenship and non-Muslim places of worship are not permitted (2013) (2012 est.)
SenegalMuslim 94% (most adhere to one of the four main Sufi brotherhoods), Christian 5% (mostly Roman Catholic), indigenous beliefs 1%
SerbiaSerbian Orthodox 84.6%, Catholic 5%, Muslim 3.1%, Protestant 1%, atheist 1.1%, other 0.8%, undeclared or unknown 4.5% (2011 est.)
SeychellesRoman Catholic 76.2%, Protestant 10.6% (Anglican 6.1%, Pentecoastal Assembly 1.5%, Seventh-Day Adventist 1.2%, other Protestant 1.6), other Christian 2.4%, Hindu 2.4%, Muslim 1.6%, other non-Christian 1.1%, unspecified 4.8%, none 0.9% (2010 est.)
Sierra LeoneMuslim 60%, Christian 10%, indigenous beliefs 30%
SingaporeBuddhist 33.9%, Muslim 14.3%, Taoist 11.3%, Catholic 7.1%, Hindu 5.2%, other Christian 11%, other 0.7%, none 16.4% (2010 est.)
Sint MaartenRoman Catholic 39%, Protestant 44.8% (Pentecostal 11.6%, Seventh-Day Adventist 6.2%, other Protestant 27%), none 6.7%, other 5.4%, Jewish 3.4%, not reported 0.7% (2001 census)
SlovakiaRoman Catholic 62%, Protestant 8.2%, Greek Catholic 3.8%, other or unspecified 12.5%, none 13.4% (2011 est.)
SloveniaCatholic 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 IslandsProtestant 73.4% (Church of Melanesia 31.9%, South Sea Evangelical 17.1%, Seventh Day Adventist 11.7%, United Church 10.1%, Christian Fellowship Church 2.5%), Roman Catholic 19.6%, other Christian 2.9%, other 4%, none 0.03%, unspecified 0.1% (2009 est.)
SomaliaSunni Muslim (Islam) (official, according to the Transitional Federal Charter)
South AfricaProtestant 36.6% (Zionist Christian 11.1%, Pentecostal/Charismatic 8.2%, Methodist 6.8%, Dutch Reformed 6.7%, Anglican 3.8%), Catholic 7.1%, Muslim 1.5%, other Christian 36%, other 2.3%, unspecified 1.4%, none 15.1% (2001 census)
South Sudananimist, Christian
SpainRoman Catholic 94%, other 6%
Sri LankaBuddhist (official) 69.1%, Muslim 7.6%, Hindu 7.1%, Christian 6.2%, unspecified 10% (2001 census provisional data)
SudanSunni Muslim, small Christian minority
SurinameHindu 27.4%, Protestant 25.2% (predominantly Moravian), Roman Catholic 22.8%, Muslim 19.6%, indigenous beliefs 5%
SwazilandZionist 40% (a blend of Christianity and indigenous ancestral worship), Roman Catholic 20%, Muslim 10%, other (includes Anglican, Baha'i, Methodist, Mormon, Jewish) 30%
SwedenLutheran 87%, other (includes Roman Catholic, Orthodox, Baptist, Muslim, Jewish, and Buddhist) 13%
SwitzerlandRoman Catholic 38.2%, Protestant 26.9%, Muslim 4.9%, other Christian 5.7%, other 1.6%, none 21.4%, unspecified 1.3% (2012 est.)
SyriaMuslim 87% (official; includes Sunni 74% and Alawi, Ismaili, and Shia 13%), Christian (includes Orthodox, Uniate, and Nestorian) 10% (includes Orthodox, Uniate, and Nestorian), Druze 3%, Jewish (few remaining in Damascus and Aleppo)
Taiwanmixture of Buddhist and Taoist 93%, Christian 4.5%, other 2.5%
TajikistanSunni Muslim 85%, Shia Muslim 5%, other 10% (2003 est.)
Tanzaniamainland - Christian 30%, Muslim 35%, indigenous beliefs 35%; Zanzibar - more than 99% Muslim
ThailandBuddhist (official) 93.6%, Muslim 4.9%, Christian 1.2%, other 0.2%, none 0.1% (2010 est.)
TogoChristian 29%, Muslim 20%, indigenous beliefs 51%
TokelauCongregational Christian Church 58.2%, Roman Catholic 36.6%, Presbyterian 1.8%, other Christian 2.8%, Spiritualism and New Age 0.1%, unspecified 0.5% (2011 est.)
TongaProtestant 64.9% (includes Free Wesleyan Church 37.3%, Free Church of Tonga 11.4%, Church of Tonga 7.2%, Tokaikolo Christian Church 2.6%, Assembly of God 2.3% Seventh Day Adventist 2.2%, Constitutional Church of Tonga .9%, Anglican .8% and Full Gospel Church .2%), Mormon 16.8%, Roman Catholic 15.6%, other 1.1%, none 0.03%, unspecified 1.7% (2006 est.)
Trinidad and TobagoProtestant 32.1% (Pentecostal/Evangelical/Full Gospel 12%, Baptist 6.9%, Anglican 5.7%, Seventh-Day Adventist 4.1%, Presbyterian/Congretational 2.5, other Protestant .9), Roman Catholic 21.6%, Hindu 18.2%, Muslim 5%, Jehovah's Witness 1.5%, other 8.4%, none 2.2%, unspecified 11.1% (2011 est.)
TunisiaMuslim (official; Sunni) 99.1%, other (includes Christian, Jewish, Shia Muslim, and Baha'i) 1%
TurkeyMuslim 99.8% (mostly Sunni), other 0.2% (mostly Christians and Jews)
TurkmenistanMuslim 89%, Eastern Orthodox 9%, unknown 2%
Turks and Caicos IslandsProtestant 72.8% (Baptist 35.8%, Church of God 11.7%, Anglican 10%, Methodist 9.3%, Seventh-Day Adventist 6%), Roman Catholic 11.4%, Jehovah's Witnesses 1.8%, other 14%
TuvaluProtestant 98.4% (Church of Tuvalu (Congregationalist) 97%, Seventh-Day Adventist 1.4%), Baha'i 1%, other 0.6%
UgandaRoman 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)
UkraineOrthodox (includes Ukrainian Autocephalous Orthodox (UAOC), Ukrainian Orthodox - Kyiv Patriarchate (UOC-KP), Ukrainian Orthodox - Moscow Patriarchate (UOC-MP), Ukrainian Greek Catholic, Roman Catholic, Protestant, Muslim, Jewish
note: Ukraine's population is overwhelmingly Christian; the vast majority - up to two-thirds - identify themselves as Orthodox, but many do not specify a particular branch; the UOC-KP and the UOC-MP each represent less than a quarter of the country's population, the Ukrainian Greek Catholic Church accounts for 8-10%, and the UAOC accounts for 1-2%; Muslim and Jewish adherents each compose less than 1% of the total population (2013 est.)
United Arab EmiratesMuslim (Islam; official) 76%, Christian 9%, other (primarily Hindu and Buddhist, less than 5% of the population consists of Parsi, Baha'i, Druze, Sikh, Ahmadi, Ismaili, Dawoodi Bohra Muslim, and Jewish) 15%
note: represents the total population; about 85% of the population consists of noncitizens (2005 est.)
United KingdomChristian (includes Anglican, Roman Catholic, Presbyterian, Methodist) 59.5%, Muslim 4.4%, Hindu 1.3%, other 2%, none 25.7%, unspecified 7.2% (2011 est.)
United StatesProtestant 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.)
UruguayRoman Catholic 47.1%, non-Catholic Christians 11.1%, nondenominational 23.2%, Jewish 0.3%, atheist or agnostic 17.2%, other 1.1% (2006)
UzbekistanMuslim 88% (mostly Sunni), Eastern Orthodox 9%, other 3%
VanuatuProtestant 70% (includes Presbyterian 27.9%, Anglican 15.1%, Seventh Day Adventist 12.5%, Assemblies of God 4.7%, Church of Christ 4.5%, Neil Thomas Ministry 3.1%, and Apostolic 2.2%), Roman Catholic 12.4%, customary beliefs 3.7% (including Jon Frum cargo cult), other 12.6%, none 1.1%, unspecified 0.2% (2009 est.)
Venezuelanominally Roman Catholic 96%, Protestant 2%, other 2%
VietnamBuddhist 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 IslandsProtestant 59% (Baptist 42%, Episcopalian 17%), Roman Catholic 34%, other 7%
Wallis and FutunaRoman Catholic 99%, other 1%
West BankMuslim 80.0 - 85.0% (predominantly Sunni), Jewish 12.0 - 14.0%, Christian 1.0 - 2.5% (mainly Greek Orthodox), other, unaffiliated, unspecified <1.0%
note: the proportion of Christians continues to fall mainly as a result of the growth of the Muslim population but also because of the migration and the declining birth rate of the Christian population (2012 est.)
Western SaharaMuslim
WorldChristian 33.39% (of which Roman Catholic 16.85%, Protestant 6.15%, Orthodox 3.96%, Anglican 1.26%), Muslim 22.74%, Hindu 13.8%, Buddhist 6.77%, Sikh 0.35%, Jewish 0.22%, Baha'i 0.11%, other religions 10.95%, non-religious 9.66%, atheists 2.01% (2010 est.)
YemenMuslim 99.1% (official; virtually all are citizens, an estimated 65% are Sunni and 35% are Shia), other 0.9% (includes Jewish, Baha'i, Hindu, and Christian; many are refugees or temporary foreign residents) (2010 est.)
ZambiaProtestant 75.3%, Roman Catholic 20.2%, other 2.7% (includes Muslim Buddhist, Hindu, and Baha'i), none 1.8% (2010 est.)
Zimbabwesyncretic (part Christian, part indigenous beliefs) 50%, Christian 25%, indigenous beliefs 24%, Muslim and other 1%

Source: CIA Factbook