Largest denominations in the world

Catholicism - 1.2 billion

Roman Catholic Church - 1,147 million[1]
- Roman Catholic Church (Latin Rite) - 1,125.5 million
- Eastern Catholic Churches (Eastern Rite) - 21.5 million
  - Alexandrian
    - Ethiopian Catholic Church - 0.21 million
    - Coptic Catholic Church - 0.17 million
  - Antiochian (Antiochene or West Syrian)
    - Maronite Catholic Church - 3.1 million
    - Syro-Malankara Catholic Church - 0.5 million
    - Syriac Catholic Church - 0.17 million
  - Armenian
    - Armenian Catholic Church - 0.54 million
  - Chaldean (Eastern Syrian)
    - Syro-Malabar Catholic Church - 4.0 million
    - Chaldean Catholic Church - 0.65 million
  - Byzantine (Constantinopolitan)
    - Ukrainian Greek Catholic Church - 4.3 million
    - Melkite Greek Catholic Church - 1.6 million
    - Romanian Church United with Rome, Greek-Catholic - 0.8 million
    - Ruthenian Catholic Church - 0.65 million
    - Slovak Greek Catholic Church - 0.37 million
    - Hungarian Greek Catholic Church - 0.27 million
    - Italo-Greek Catholic Church - 0.07 million
    - Croatian Greek Catholic Church - 0.06 million
    - Belarusian Greek Catholic Church - 0.01 million
    - Bulgarian Greek Catholic Church - 0.01 million
    - Georgian Byzantine Catholic Church - 0.01 million[2]
    - Macedonian Greek Catholic Church - 0.01 million
    - Albanian Greek-Catholic Church - 0.01 million
    - Greek Byzantine Catholic Church - 0.01 million
    - Russian Catholic Church - 0.01 million

Breakaway Catholic Churches - 28 million
- Apostolic Catholic Church - 5 million
- Chinese Patriotic Catholic Association - 4 million[3]
- Philippine Independent Church - 3 million
- Brazilian Catholic Apostolic Church - 1 million
- Old Catholic Church - 0.6 million
- Mariavite Church - 0.03 million

Protestantism - 670 million

Historical Protestantism - 350 million
- Baptist churches - 105 million[4]
  - Southern Baptist Convention - 16.3 million[5]
  - National Baptist Convention, USA, Inc. - 7.5 million[6]
  - National Baptist Convention of America, Inc. - 5 million[7]
  - Nigerian Baptist Convention - 3 million[8]
  - Progressive National Baptist Convention - 2.5 million[9]
  - American Baptist Churches USA - 1.4 million
  - Brazilian Baptist Convention - 1.4 million
  - Baptist Bible Fellowship International - 1.2 million[10]
  - Myanmar Baptist Convention - 1.1 million[11]
  - Baptist Community of the Congo River - 1 million[11]
  - National Baptist Convention, Brazil - 1 million
  - National Primitive Baptist Convention of the U.S.A. - 1 million[10]
  - National Missionary Baptist Convention of America - 1 million
  - Samavesam of Telugu Baptist Churches - 0.8 million[12]
  - Baptist Convention of Kenya - 0.7 million[11]
  - Union of Evangelical Christians-Baptists of Russia - 0.6 million
- Methodism - 75 million
  - United Methodist Church - 12 million
  - African Methodist Episcopal Church - 3 million
  - Methodist Church Nigeria - 2 million[13]
  - African Methodist Episcopal Zion Church - 1.5 million
  - Church of the Nazarene - 1.8 million
  - Methodist Church of Southern Africa - 1.7 million[14]
  - Korean Methodist Church - 1.5 million[15]
  - United Methodist Church of Ivory Coast[16]
  - Christian Methodist Episcopal Church - 0.9 million
  - Methodist Church Ghana - 0.8 million[17]
  - Free Methodist Church - 0.7 million
  - Methodist Church in India - 0.6 million[18]
- Lutheranism - 87 million[19]
  - Evangelical Church in Germany - 26.9 million[20]
  - Church of Sweden - 6.9 million
  - Evangelical Lutheran Church in America - 4.8 million
  - Ethiopian Evangelical Church Mekane Yesus - 4.7 million
  - Evangelical Lutheran Church in Tanzania - 4.6 million[21]
  - Danish National Church - 4.5 million
  - Evangelical Lutheran Church of Finland - 4.3 million[22]
  - Batak Christian Protestant Church - 4 million[23]
  - Church of Norway - 3.9 million
  - Malagasy Lutheran Church - 3 million
  - Lutheran Church-Missouri Synod - 2 million
  - Lutheran Church of Christ in Nigeria - 1.7 million[24]
  - United Evangelical Lutheran Church in India - 1.5 million[25]
  - Evangelical Lutheran Church in Papua New Guinea - 0.9 million[26]
  - Andhra Evangelical Lutheran Church - 0.8 million[27]
  - Evangelical Church of the Lutheran Confession in Brazil - 0.7 million[28]
  - Evangelical Lutheran Church in Namibia - 0.6 million[29]
  - Evangelical Lutheran Church in Southern Africa - 0.6 million[30]
- Reformed churches - 75 million
  - Presbyterianism - 40 million
    - Presbyterian Church of East Africa - 4 million[31]
    - Presbyterian Church of Africa - 3.4 million[32]
    - Presbyterian Church (U.S.A.) - 3.0 million
    - United Church of Canada - 2.5 million
    - Church of Christ in Congo-Presbyterian Community of Congo - 2.5 million[33]
    - Presbyterian Church of Korea - 2.4 million[34]
    - Presbyterian Church of Cameroon - 1.8 million[35]
    - Church of Scotland - 1.1 million[36]
    - Presbyterian Church of the Sudan - 1 million[37]
    - Presbyterian Church in Cameroon - 0.7 million[38]
    - Presbyterian Church of Ghana - 0.6 million[39]
    - Presbyterian Church of Nigeria - 0.5 million[40]
    - Uniting Presbyterian Church in Southern Africa - 0.5 million[41]
  - Continental Reformed churches - 30 million
    - Church of Jesus Christ in Madagascar - 3.5 million[42]
    - United Church of Zambia - 3.0 million[43]
    - Protestant Church in the Netherlands - 2.5 million[44]
    - Swiss Reformed Church - 2.4 million
    - Evangelical Church of Cameroon - 2 million[45]
    - Protestant Evangelical Church in Timor - 2 million[46]
    - Christian Evangelical Church in Minahasa - 0.7 million[47]
    - United Church in Papua New Guinea - 0.6 million[48]
    - United Church of Christ in the Philippines - 0.6 million[49]
    - Protestant Church in Western Indonesia - 0.6 million[50]
    - Evangelical Christian Church in Tanah Papua - 0.6 million[51]
    - Protestant Church in the Moluccas - 0.6 million[52]
    - Reformed Church in Hungary - 0.6 million[53]
    - Reformed Church in Romania - 0.6 million[54]
    - Uniting Reformed Church in Southern Africa - 0.5 million[55]
  - Congregationalism - 5 million
    - United Church of Christ - 1.2 million
    - Evangelical Congregational Church in Angola - 0.9 million[56]
    - United Congregational Church of Southern Africa - 0.5 million[57]
- Anabaptism and Free churches - 5 million
  - Brethren - 1.5 million[58]
  - Mennonites - 1.5 million
  - Plymouth Brethren - 1 million[59]
  - Moravians - 0.7 million[60]
  - Amish - 0.2 million
  - Hutterites - 0.2 million
- Quakers - 0.4 million
- Waldensians - 0.05 million
Modern Christian movements - 588 million[61]
- Pentecostalism - 130 million
  - Assemblies of God - 60 million
  - New Apostolic Church - 11 million
  - International Circle of Faith - 11 million[62]
  - The Pentecostal Mission - 10 million
  - Church of God (Cleveland) - 9 million
  - International Church of the Foursquare Gospel - 8 million
  - Church of God in Christ - 5.5 million
  - Apostolic Church - 6 million
  - Christian Congregation of Brazil - 2.5 million
  - Universal Church of the Kingdom of God - 2 million
  - Church of God of Prophecy - 1 million
  - God is Love Pentecostal Church - 0.8 million
  - Indian Pentecostal Church of God - NA
- Non-denominational evangelicalism - 80 million
  - Calvary Chapel - 25 million
  - Born Again Movement - 20 million
  - Association of Vineyard Churches - 15 million
  - New Life Fellowship - 10 million[citation needed]
  - True Jesus Church - 2.5 million
  - Charismatic Episcopal Church - NA
- African initiated churches - 40 million
  - Zion Christian Church - 15 million
  - Eternal Sacred Order of Cherubim and Seraphim - 10 million
  - Kimbanguist Church - 5.5 million
  - Church of the Lord (Aladura) - 3.6 million[63]
  - Council of African Instituted Churches - 3 million[64]
  - Church of Christ Light of the Holy Spirit - 1.4 million[65]
  - African Church of the Holy Spirit - 0.7 million[66]
  - African Israel Niniveh Church[67]
- Seventh-day Adventist Church - 17 million
- Restoration Movement - 7 million
  - Churches of Christ - 5 million
  - Christian Churches and Churches of Christ - 1.1 million[10]
  - Christian Church (Disciples of Christ) - 0.7 million

Eastern Orthodoxy - 210 million

Autocephalous churches
- Russian Orthodox Church - 125 million
- Romanian Orthodox Church - 18 million
- Serbian Orthodox Church - 15 million
- Church of Greece - 11 million
- Bulgarian Orthodox Church - 10 million
- Georgian Orthodox Church - 5 million
- Greek Orthodox Church of Constantinople - 3.5 million
- Greek Orthodox Church of Antioch - 2.5 million
- Greek Orthodox Church of Alexandria - 1.5 million
- Orthodox Church in America - 1.2 million
- Polish Orthodox Church - 1 million
- Albanian Orthodox Church - 0.8 million
- Cypriot Orthodox Church - 0.7 million
- Greek Orthodox Church of Jerusalem - 0.14 million
- Czech and Slovak Orthodox Church - 0.07 million

Autonomous churches
- Ukrainian Orthodox Church (Moscow Patriarchate) - 7.2 million[68]
- Moldovan Orthodox Church - 3.2 million
- Russian Orthodox Church Outside Russia - 1.25 million
- Metropolitan Church of Bessarabia - 0.62 million
- Orthodox Ohrid Archbishopric - 0.34 million
- Estonian Orthodox Church - 0.3 million
- Patriarchal Exarchate in Western Europe - 0.15 million
- Finnish Orthodox Church - 0.08 million
- Chinese Orthodox Church - 0.03 million
- Japanese Orthodox Church - 0.02 million
- Latvian Orthodox Church - 0.02 million

Non-universally recognized churches
- Ukranian Orthodox Church (Kyiv Patriarchate) - 5.5 million[68]
- Belarusian Autocephalous Orthodox Church - 2.4 million
- Macedonian Orthodox Church - 2 million
- Orthodox Church of Greece (Holy Synod in Resistance) - 0.75 million
- Old Calendar Romanian Orthodox Church - 0.50 million
- Old Calendar Bulgarian Orthodox Church - 0.45 million
- Croatian Orthodox Church - 0.36 million
- Montenegrin Orthodox Church - 0.05 million
- Orthodox Church in Italy - 0.12 million
Other separated Orthodox groups
- Old Believers - 1.8 million
- Greek Old Calendarists - 0.86 million
- Russian True Orthodox Church - 0.85 million

Oriental Orthodoxy - 75 million

Autocephalous churches in communion
- Ethiopian Orthodox Tewahedo Church - 45 million
- Coptic Orthodox Church of Alexandria - 15.5 million
- Syriac Orthodox Church - 10 million
- Armenian Orthodox Church - 8 million
- Eritrean Orthodox Tewahedo Church - 2.5 million
- Indian (Malankara) Orthodox Church - 2 million[69]
- Armenian Orthodox Church of Cilicia - 1.5 million

Autonomous churches in communion
- Jacobite Syrian Orthodox Church - 2.5 million
- Armenian Patriarchate of Constantinople - 0.42 million
- Armenian Patriarchate of Jerusalem - 0.34 million
- French Coptic Orthodox Church - 0.01 million
- British Orthodox Church - 0.01 million

Churches not in communion
- Malabar Independent Syrian Church - 0.06 million

Anglicanism - 82 million

Anglican Communion - 80 million[70]
- Church of Nigeria - 18 million
- Church of England - 13.4 million
- Church of Uganda - 8.8 million
- Church of South India - 3.8 million
- Anglican Church of Australia - 3.7 million
- Episcopal Church in the Philippines - 3.0 million
- Anglican Church in Aotearoa, New Zealand and Polynesia - 2.5 million
- Anglican Church of Tanzania - 2.5 million
- Anglican Church of Southern Africa - 2.4 million
- Episcopal Church of the United States - 2.2 million
- Anglican Church of Canada - 2.0 million
- Anglican Church of Kenya - 1.5 million
- Church of North India - 1.3 million
- Church of the Province of Rwanda - 1 million
- Church of Pakistan - 0.8 million
- Anglican Church of Burundi - 0.8 million[71]
- Church of the Province of Central Africa - 0.6 million
- Church of Christ in Congo-Anglican Community of Congo - 0.5 million[72]
- Scottish Episcopal Church - 0.4 million
- Church of Ireland - 0.4 million

Continuing Anglican movement - 1.5 million
- Traditional Anglican Communion - 0.5 million
- Anglican Church in North America - 0.1 million

Nontrinitarianism - 27 million

Latter Day Saint movement (Mormonism) - 14 million
- The Church of Jesus Christ of Latter-day Saints - 13.5[73]
- Community of Christ - 0.25 million[74]
Jehovah's Witnesses - 7.1 million
Iglesia ni Cristo - 6 million[75]
Oneness Pentecostalism - 6 million
- United Pentecostal Church International - 4 million
- Pentecostal Assemblies of the World - 1.5 million
Church of Christ, Scientist - 0.4 million
Friends of Man - 0.07 million
Christadelphians - 0.05 million

Nestorianism - 1 million

Assyrian Church of the East - 0.5 million
Ancient Church of the East - 0.3 million

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