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This article gives information about the relative size of denominations, based mainly on claims by the churches themselves.

Christian denominational families |

Major branches within Christianity

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Christian primitivism

Anabaptism

Protestantism

Anglicanism

("Via Media")

(Latin rite)

Catholicism

(Eastern rites)

Eastern Orthodoxy

Oriental Orthodoxy

Assyrian Church

Reformation

(16th century)

Great Schism

(11th century)

Council of Ephesus 431

Council of Chalcedon 451

Early Christianity

Union

Christianity – 2.42 billion |

Catholic Church – 1.285 billion |

A map of Catholicism by population percentage.

Figures below are in accordance with Church’s Book of Statistics, at the end of 2014.^[1]

Latin Church – 1.255 billion

Eastern Catholic Churches – 16.3 million^[2]

• 
  Alexandrian Rite
  
  • 
    Ethiopian Catholic Church – 0.2 million^[3]
  
  
  • 
    Coptic Catholic Church – 0.2 million^[3]
  
  
  • 
    Eritrean Catholic Church – 0.2 million^[4]
  
  


• 
  Antiochene Rite
  
  • 
    Maronite Catholic Church – 3.1 million^[3]
  
  
  • 
    Syro-Malankara Catholic Church – 0.4 million^[3]
  
  
  • 
    Syriac Catholic Church – 0.1 million^[3]
  
  


• 
  Armenian Rite
  
  • 
    Armenian Catholic Church – 0.4 million^[3]


• 
  Byzantine Rite
  
  • 
    Ukrainian Greek Catholic Church – 4.3 million^[3]
  
  
  • 
    Melkite Greek Catholic Church – 1.3 million^[3]
  
  
  • 
    Romanian Greek Catholic Church – 0.7 million^[3]
  
  
  • 
    Ruthenian Greek Catholic Church – 0.5 million^[3]
  
  
  • 
    Hungarian Greek Catholic Church – 0.3 million^[3]
  
  
  • 
    Slovak Greek Catholic Church – 0.2 million^[3]
  
  
  • 
    Italo-Albanian Catholic Church – 0.1 million^[3]
  
  
  • 
    Belarusian Greek Catholic Church – 0.1 million^[3]
  
  
  • 
    Byzantine Catholic Church of Croatia and Serbia – 0.05 million^[5]
  
  
  • 
    Georgian Byzantine Catholic Church – 0.01 million;^[6] not sui iuris
    
  
  
  • 
    Albanian Greek Catholic Church – 0.01 million^[3]
  
  
  • 
    Bulgarian Greek Catholic Church – 0.01 million^[3]
  
  
  • 
    Greek Byzantine Catholic Church – 0.01 million^[3]
  
  
  • 
    Macedonian Greek Catholic Church – 0.01 million^[3]
  
  
  • 
    Russian Greek Catholic Church – 0.01 million^[3]
  
  


• 
  Chaldean Rite
  
  • 
    Syro-Malabar Catholic Church – 3.8 million^[3]
  
  
  • 
    Chaldean Catholic Church – 0.4 million^[3]
  
  

Canonically irregular groups

• 
  Society of Saint Pius X – 1 million^[7]

Protestantism – 920 million |

A map of Protestantism (including Anglicanism) by population percentage.

Protestantism is the second largest major group of Christians after the Catholic Church by number of followers. Estimates vary considerably, from 400 million up to more than a billion.^{[8][9][10][11][12][13][14]} One of the reasons is the lack of a common agreement among scholars about which denominations constitute Protestantism. For instance, most sources but not all include Anglicanism as part of Protestantism (see below). Moreover, Protestant denominations do not form a single communion comparable to those of the Catholic Church and Eastern Orthodoxy. Nevertheless, 900 million is the most accepted figure among various authors and scholars, and thus is used in this article. Note that 900 million figure also includes Anglicanism, as well as Anabaptists, Baptists and multiple other groups which have in their scope some denominations that might disavow a common "Protestant" designation, and would rather prefer to be called, simply, "Christian".

Historical Protestantism – 300–400 million^[9]

• 
  Baptist churches – 75–105 million^[9][15]
  • 
    Southern Baptist Convention – 15.0 million^[16]
  
  
  • 
    National Baptist Convention, USA, Inc. – 7.5 million^[17]
  
  
  • 
    Nigerian Baptist Convention – 5.0 million^[18]
  
  
  • 
    National Missionary Baptist Convention of America – 3.1 million^[18]
  
  
  • 
    National Baptist Convention of America, Inc. – 3.1 million^[18]
  
  
  • Baptist Union of Uganda – 2.5 million^[18]
  
  
  • Baptist Community of Western Congo – 2.1 million^[18]
  
  
  • 
    Baptist Convention of Tanzania – 2.0 million^[18]
  
  
  • 
    Baptist General Convention of Texas – 2.0 million^[18]
  
  
  • 
    Brazilian Baptist Convention – 1.6 million^[18]
  
  
  • 
    Progressive National Baptist Convention – 1.5 million^[18]
  
  
  • 
    Council of Baptist Churches in Northeast India – 1.3 million^[18]
  
  
  • 
    American Baptist Churches USA – 1.2 million^[18]
  
  
  • 
    Baptist Bible Fellowship International – 1.2 million^[19]
  
  
  • 
    Lott Carey Foreign Mission Convention – 1.1 million^[18]
  
  
  • Baptist Community of the Congo River – 1.1 million^[18]
  
  
  • 
    National Primitive Baptist Convention of the U.S.A. – 1.0 million^[19]
  
  
  • 
    Myanmar Baptist Convention – 1.0 million^[18]
  
  
  • 
    Cooperative Baptist Fellowship – 0.8 million^[18]
  
  
  • 
    Baptist General Association of Virginia – 0.6 million^[18]
  
  
  • Baptist Convention of Kenya – 0.6 million^[18]
  
  
  • 
    Nagaland Baptist Church Council – 0.6 million^[18]
  
  
  • 
    Korea Baptist Convention – 0.5 million^[18]
  
  
  • 
    Samavesam of Telugu Baptist Churches – 0.5 million^[18]
  
  
  • Orissa Evangelical Baptist Crusade – 0.5 million^[18]
  
  
  • 
    National Baptist Convention (Brazil) – 0.4 million^[18]
  
  
  • 
    Church of Christ in Congo–Baptist Community of Congo – 0.4 million^[20]
  
  
  • Baptist Convention of Malawi – 0.3 million^[18]
  
  
  • 
    Garo Baptist Convention – 0.3 million^[18]
  
  
  • 
    Convention of Philippine Baptist Churches – 0.3^[18]
  
  
  • Ghana Baptist Convention – 0.3^[18]
  
  
  • Union of Baptist Churches in Rwanda – 0.3 million^[18]
  
  
  • 
    Conservative Baptist Association of America – 0.2 million^[21]
  
  
  • 
    National Association of Free Will Baptists – 0.2 million^[22]
  
  
  • Convention of Visayas and Mindanao of Southern Baptist Churches – 0.2 million^[18]
  
  
  • 
    Manipur Baptist Convention – 0.2 million^[18]
  
  
  • Baptist Community in Central Africa – 0.2 million^[18]
  
  


• 
  Lutheranism – 70–90 million^[9][23]
  • 
    Evangelical Church in Germany - 21.5 million (11 million United Protestants, i.e. Lutheran & Reformed; 10 million Lutherans; 1 million Reformed)^[24]
  
  
  • 
    Ethiopian Evangelical Church Mekane Yesus – 8.3 million^[25]
  
  
  • 
    Evangelical Lutheran Church in Tanzania – 6.5 million^[26]
  
  
  • 
    Church of Sweden – 6.0 million^[27][28]
  
  
  • 
    United Evangelical Lutheran Churches in India – 4.5 million^[29]
  
  
  • 
    Church of Denmark – 4.3 million^[30][31]
  
  
  • 
    Batak Christian Protestant Church – 4.0 million^[32]
  
  
  • 
    Evangelical Lutheran Church of Finland – 3.8 million^[33][34]
  
  
  • 
    Church of Norway – 3.7 million^[35][36]
  
  
  • 
    Evangelical Lutheran Church in America – 3.5 million^[37][38]
  
  
  • 
    Malagasy Lutheran Church – 3.0 million^[39]
  
  
  • 
    The Lutheran Church of Christ in Nigeria – 2.2 million^[40]
  
  
  • 
    Lutheran Church–Missouri Synod – 2.0 million^[41]
  
  
  • 
    Evangelical Lutheran Church of Papua New Guinea – 1.2 million^[42]
  
  
  • 
    Evangelical Lutheran Church in Namibia – 0.7 million^[43]
  
  
  • 
    Evangelical Church of the Lutheran Confession in Brazil – 0.6 million^[44]
  
  
  • 
    Evangelical Lutheran Church in Southern Africa – 0.6 million^[45]
  
  
  • The Protestant Christian Church – 0.5 million^[32]
  
  
  • 
    Evangelical Lutheran Church in the Republic of Namibia – 0.4 million^[43]
  
  
  • 
    Wisconsin Evangelical Lutheran Synod – 0.4 million^[46]
  
  
  • 
    Evangelical Free Church of America – 0.4 million^[47]
  
  
  • The Indonesian Christian Church – 0.3 million^[32]
  
  
  • 
    Lutheran Congregations in Mission for Christ – 0.3 million^[48]
  
  
  • 
    Evangelical Lutheran Church of Cameroon – 0.3 million^[49]
  
  
  • 
    Evangelical Church of the Augsburg Confession in Austria – 0.3 million^[50]
  
  
  • 
    Evangelical Lutheran Church in Zimbabwe – 0.3 million^[51]
  
  
  • 
    Evangelical Lutheran Church of Latvia – 0.3 million^[52]
  
  
  • Christian Protestant Church in Indonesia – 0.3 million^[32]
  
  
  • 
    Church of Iceland – 0.2 million^[53]
  
  
  • 
    Simalungun Protestant Christian Church – 0.2 million^[32]
  
  
  • 
    Evangelical Lutheran Church of Brazil – 0.2 million^[54]
  
  
  • 
    Protestant Church of Augsburg Confession of Alsace and Lorraine – 0.2 million^[55]
  
  
  • 
    Evangelical Church of the Augsburg Confession in Slovakia – 0.2 million^[56]
  
  
  • 
    Evangelical-Lutheran Church in Hungary – 0.2 million^[57]
  
  
  • 
    Estonian Evangelical Lutheran Church – 0.2 million^[58]
  
  


• 
  Methodism – 60–80 million^[9][59][60]
  • 
    United Methodist Church – 12 million^[61]
  
  
  • 
    African Methodist Episcopal Church – 2.5 million^[62]
  
  
  • 
    Church of the Nazarene – 2 million^[63]
  
  
  • 
    Methodist Church Nigeria – 2 million^[64]
  
  
  • 
    The Salvation Army – 1,797,291 registered members^[65]
  
  
  • 
    Methodist Church of Southern Africa – 1.7 million^[66]
  
  
  • 
    Korean Methodist Church – 1.5 million^[67]
  
  
  • 
    African Methodist Episcopal Zion Church – 1.4 million^[68]
  
  
  • United Methodist Church of Ivory Coast – 1 million^[69]
  
  
  • 
    Free Methodist Church – 0.9 million^[70]
  
  
  • 
    Christian Methodist Episcopal Church – 0.9 million^[71]
  
  
  • 
    Methodist Church Ghana – 0.8 million^[72]
  
  
  • 
    Methodist Church in India – 0.6 million^[73]
  
  
  • Methodist Church in Kenya – 0.5 million^[74]
  
  
  • 
    Wesleyan Church – 0.4 million^[75]
  
  
  • 
    Methodist Church of Great Britain – 0.2 million^[76]
  
  
  • 
    Methodist Church in Brazil – 0.2 million^[77]
  
  


• 
  Calvinism (Reformed churches) – 55–100 million^{[9][78][79][80]}
  • 
    Presbyterianism – 40–50 million
    
    • 
      Presbyterian Church of East Africa – 4.0 million^[81]
    
    
    • 
      Presbyterian Church of Nigeria – 3.8 million^[82]
    
    
    • 
      Presbyterian Church of Africa – 3.4 million^[83]
    
    
    • 
      Presbyterian Church in Korea (HapDong) – 3.0 million^[84]
    
    
    • 
      Presbyterian Church of Korea (TongHap) – 2.9 million^[85]
    
    
    • 
      National Presbyterian Church in Mexico – 2.8 million^[86]
    
    
    • 
      Church of Christ in Congo–Presbyterian Community of Congo – 2.5 million^[87]
    
    
    • 
      Presbyterian Church of Cameroon – 1.8 million^[88]
    
    
    • 
      Presbyterian Church (USA) – 1.4 million^[89]
    
    
    • 
      Presbyterian Church of India – 1.3 million^[90]
    
    
    • 
      Church of Central Africa Presbyterian – 1.3 million^[91]
    
    
    • 
      Presbyterian Church of Brazil – 1.0 million^[92]
    
    
    • 
      Presbyterian Church in Sudan – 1.0 million^[93]
    
    
    • 
      Presbyterian Church in Cameroon – 0.7 million^[94]
    
    
    • 
      Presbyterian Church in Korea (HapDongBoSu II.) – 0.7 million^[95]
    
    
    • 
      Presbyterian Church in Korea (BaekSeok) – 0.6 million^[96]
    
    
    • 
      Evangelical Presbyterian Church, Ghana – 0.6 million^[97]
    
    
    • 
      United Church of Christ in the Philippines – 0.5 million^[98]
    
    
    • 
      Uniting Presbyterian Church in Southern Africa – 0.5 million^[99]
    
    
    • 
      United Church of Canada – 0.4 million^[100]
    
    
    • 
      Presbyterian Church in America – 0.4 million^[101]
    
    
    • 
      Presbyterian Church of Pakistan – 0.4 million^[102]
    
    
    • 
      Presbyterian Church in Korea (Koshin) – 0.4 million
    
    
    • 
      Church of Scotland – 0.3 million^[103]
    
    
    • 
      Korean Presbyterian Church – 0.3 million^[104]
    
    
    • 
      Presbyterian Church in Rwanda – 0.3 million^[105]
    
    
    • 
      Uniting Church in Australia – 0.2 million^[106]
    
    
    • 
      Presbyterian Church in Taiwan – 0.2 million^[107]
    
    
    • 
      Presbyterian Church in Ireland – 0.2 million^[108]
    
    
  
  
  • 
    Continental Reformed churches – 20–30 million
    
    • 
      Church of Jesus Christ in Madagascar – 3.5 million^[109]
    
    
    • 
      Protestant Church in Indonesia – 3.1 million^[110]
    
    
    • 
      United Church in Zambia – 3.0 million^[111]
    
    
    • 
      Evangelical Church of Cameroon – 2.5 million^[112]
    
    
    • 
      Swiss Reformed Church – 2.4 million^[113]
    
    
    • 
      Christian Evangelical Church in Timor – 2.0 million^[114]
    
    
    • 
      Protestant Church in the Netherlands – 1.8 million^[115]
    
    
    • 
      Dutch Reformed Church in South Africa (NGK) – 1.1 million
    
    
    • 
      Christian Evangelical Church in Minahasa – 0.7 million^[116]
    
    
    • 
      United Church in Papua New Guinea and the Solomon Islands – 0.6 million^[117]
    
    
    • 
      Protestant Church in Western Indonesia – 0.6 million^[118]
    
    
    • Evangelical Christian Church in Tanah Papua – 0.6 million^[119]
    
    
    • 
      Protestant Church of Maluku – 0.6 million^[120]
    
    
    • 
      Reformed Church in Hungary – 0.6 million^[121]
    
    
    • 
      Reformed Church in Romania – 0.6 million^[122]
    
    
    • 
      Uniting Reformed Church in Southern Africa – 0.5 million^[123]
    
    
    • 
      Toraja Church – 0.4 million^[124]
    
    
    • 
      Reformed Church of France – 0.4 million^[125]
    
    
    • 
      Lesotho Evangelical Church – 0.3 million^[126]
    
    
    • 
      Evangelical Christian Church in Halmahera – 0.3 million^[127]
    
    
    • 
      Christian Church of Sumba – 0.3 million^[128]
    
    
    • 
      Karo Batak Protestant Church – 0.3 million^[129]
    
    
    • 
      Christian Reformed Church of Nigeria – 0.3 million^[130]
    
    
    • 
      Reformed Church in Zambia – 0.3 million^[131]
    
    
    • 
      Evangelical Reformed Church in Angola – 0.2 million^[132]
    
    
    • 
      Reformed Church in America – 0.2 million^[133]
    
    
    • 
      Christian Reformed Church in North America – 0.2 million^[134]
    
    
    • Kalimantan Evangelical Church – 0.2 million^[135]
    
    
    • 
      Javanese Christian Church – 0.2 million^[136]
    
    
    • 
      Indonesia Christian Church – 0.2 million^[137]
    
    
    • 
      Church of Christ in the Sudan Among the Tiv – 0.2 million^[138]
    
    
    • 
      Church of Lippe – 0.2 million^[139]
    
    
    • 
      Evangelical Church of Congo – 0.2 million^[140]
    
    
    • Christian Evangelical Church of Sangihe Talaud – 0.2 million^[141]
    
    
    • 
      Central Sulawesi Christian Church – 0.2 million^[142]
    
    
    • 
      Evangelical Reformed Church in Bavaria and Northwestern Germany – 0.2 million^[143]
    
    
  
  
  • 
    Congregationalism – 5 million
    
    • 
      United Church of Christ – 0.9 million^[144]
    
    
    • 
      Evangelical Congregational Church in Angola – 0.9 million^[145]
    
    
    • 
      United Congregational Church of Southern Africa – 0.5 million^[146]
    
    
  
  


• 
  Anabaptism – 4.0 million
  
  • 
    Mennonites – 2.1 million^[147]
  
  
  • 
    Schwarzenau Brethren/German Baptists – 1.5 million^[148]
  
  
  • 
    Amish – 0.3 million
  
  
  • 
    Hutterites – 0.05 million
  
  


• 
  Hussites – 1 million
  
  • 
    Moravians – 0.825 million
  
  
  • 
    Czechoslovak Hussite Church – 0.14 million
  
  
  • 
    Unity of the Brethren – 0.035 million
  
  


• 
  Quakers (Religious Society of Friends) – 0.4 million

Modern Protestantism – 400–500 million

• 
  Pentecostalism – 280 million^[9]
  • 
    Assemblies of God – 67 million^[149]
  
  
  • 
    Apostolic Church – 15 million
  
  
  • International Circle of Faith – 11 million^[150]
  
  
  • 
    Fangcheng Fellowship – 10 million^[151]
  
  
  • 
    China Gospel Fellowship - 10 million
  
  
  • 
    Church of God (Cleveland, Tennessee) - 6 million
  
  
  • 
    International Church of the Foursquare Gospel - 9 million
  
  
  • 
    Church of God in Christ - 6.5 million^[152]
  
  
  • 
    Jesus Is Lord Church Worldwide – 5 million
  
  
  • 
    International Pentecostal Holiness Church – 4 million
  
  
  • 
    United Pentecostal Church International – 4 million
  
  
  • 
    The Pentecostal Mission – 2.5 million
  
  
  • 
    Christian Congregation of Brazil – 2.5 million
  
  
  • 
    True Jesus Church – 2.5 million
  
  
  • 
    The Church of Pentecost – 2.1 million
  
  
  • 
    Universal Church of the Kingdom of God – 2 million
  
  
  • 
    Pentecostal Assemblies of the World – 1.5 million
  
  
  • 
    Apostolic Faith Mission of South Africa – 1.2 million
  
  
  • 
    Church of God of Prophecy – 1.5 million
  
  
  • Association of Pentecostal Churches of Rwanda – 1 million
  
  
  • 
    God is Love Pentecostal Church – 0.8 million
  
  


• 
  Nondenominational evangelicalism – 80 million
  
  • 
    Calvary Chapel – 25 million
  
  
  • 
    Born Again Movement – 3 million^[153]
  
  
  • 
    Association of Vineyard Churches – 15 million
  
  
  • 
    Christian and Missionary Alliance – 4 million^[154]
  
  
  • 
    Church of God (Anderson, Indiana) – 1.2 million
  
  


• 
  African initiated Protestant churches – 60 million^[155]
  • 
    Zion Christian Church – 15 million
  
  
  • 
    Eternal Sacred Order of Cherubim and Seraphim – 10 million
  
  
  • 
    Kimbanguist Church – 5.5 million
  
  
  • 
    Redeemed Christian Church of God – 5 million^[156]
  
  
  • 
    Church of the Lord (Aladura) – 3.6 million^[157]
  
  
  • Council of African Instituted Churches – 3 million^[158]
  
  
  • Church of Christ Light of the Holy Spirit – 1.4 million^[159]
  
  
  • African Church of the Holy Spirit – 0.7 million^[160]
  
  
  • 
    African Israel Church Nineveh – 0.5 million^[161]
  
  


• 
  Seventh-day Adventist Church – 20.0 million^[162]


• 
  New Apostolic Church – 10 million^[163]


• Chinese-originated and Chinese Independent Churches – 10 million
  Groups listed have origins in the Lord's Recovery movement associated with Watchman Nee and Witness Lee. The Shouters are an offshoot of the Local churches, considered a dangerous sect by the Chinese government; due to the extremely decentralized nature of both groups, there is controversy over which house churches should be actually considered part of each. Eastern Lightning, which is in turn an offshoot of The Shouters, is very hierarchical (in contrast to its predecessors) and teaches that Christ has already returned as a woman named Lightning Deng.
  
  • 
    Local churches or Church Assembly Hall – between 1 and 10 million
  
  
  • 
    Eastern Lightning – 1 million
  
  
  • 
    The Shouters – unknown, probably less than 1 million
  
  


• 
  Restoration Movement – 7 million
  
  • 
    Churches of Christ – 5 million
  
  
  • 
    Christian churches and churches of Christ – 1.1 million^[19]
  
  
  • Community of Disciples of Christ in Congo – 0.7 million^[164]
  
  
  • 
    Christian Church (Disciples of Christ) – 0.4 million^[165]
  
  


• 
  Plymouth Brethren – 1 million^[166]

Anglicanism – 85 million |

A map of the Anglican Communion (blue), the Porvoo Communion (green), comprising European Anglican and Lutheran churches, and the Union of Utrecht (Old Catholic) (red), a federation of Old Catholic Churches.

Anglican Communion – 80 million^[167]Template:Disputed inline

• 
  Church of England – 25.0 million^[168]


• 
  Church of Nigeria – 18.0 million^[169]


• 
  Church of Uganda – 8.1 million^[170]


• 
  Anglican Church of Kenya – 5.0 million^[171]


• 
  Episcopal Church of South Sudan and Sudan – 4.5 million^[172]


• 
  Church of South India – 3.8 million^[173]


• 
  Anglican Church of Australia – 3.1 million^[174]


• 
  Anglican Church of Southern Africa – 2.3 million^[175]


• 
  Anglican Church of Tanzania – 2.0 million^[176]


• 
  Episcopal Church in the United States – 1.9 million^[177]


• 
  Anglican Church of Canada – 1.6 million^[178]


• 
  Church of North India – 1.5 million^[179]


• 
  Anglican Church of Rwanda – 1.0 million^[180]


• 
  Church of the Province of Central Africa – 0.9 million^[181]


• 
  Anglican Church of Burundi – 0.8 million^[182]


• 
  Church in the Province of the West Indies – 0.8 million^[183]


• 
  Anglican Church in Aotearoa, New Zealand and Polynesia – 0.5 million^[184]


• 
  Church of the Province of the Indian Ocean – 0.5 million^[185]


• 
  Church of Christ in Congo–Anglican Community of Congo – 0.5 million^[186]


• 
  Church of Pakistan – 0.5 million^[187]


• 
  Church of Ireland – 0.4 million^[188]


• 
  Church of the Province of West Africa – 0.3 million^[189]


• 
  Anglican Church of Melanesia – 0.2 million^[190]


• 
  Episcopal Church in the Philippines – 0.1 million^[191]

Continuing Anglican movement and independent churches – 0.4 million

• 
  Traditional Anglican Communion – 0.4 million^[192]


• 
  Anglican Church in North America – 0.09 million^[193]


• 
  Reformed Evangelical Anglican Church of South Africa – 0.09 million^[194]

Eastern Orthodox Church – 270 million |

A map of Eastern Orthodoxy by population percentage.

The most common estimate of the number of Eastern Orthodox Christians worldwide is 225–300 million, forming a single communion, making it the second largest, single Christian denomination behind the Catholic Church.^[195] These are the adherents of the recognized Orthodox jurisdictions (autocephalous and autonomous churches) that are in full communion with each other. In addition, there are some Orthodox splinter groups and non-universally recognized churches.

Autocephalous churches – 249 million

• 
  Russian Orthodox Church – 150 million


• 
  Orthodox Church of Ukraine – 25 million


• 
  Romanian Orthodox Church – 17 million^{[196][197][198]}


• 
  Serbian Orthodox Church – 12 million^[199]


• 
  Church of Greece – 10 million^[200]


• 
  Bulgarian Orthodox Church – 10 million


• 
  Georgian Orthodox Church – 3.5 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 – 0.08 million


• 
  Polish Orthodox Church – 1 million


• 
  Albanian Orthodox Church – 0.8 million


• 
  Church of Cyprus – 0.7 million


• 
  Greek Orthodox Church of Jerusalem – 0.14 million


• 
  Czech and Slovak Orthodox Church – 0.07 million

Autonomous churches – 13 million

• 
  Ukrainian Orthodox Church (Moscow Patriarchate) – 7.2 million^[201]


• 
  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^[source?]


• 
  Estonian Orthodox Church (Moscow Patriarchate) – 0.3 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 – 6.27 million

• 
  Belarusian Autocephalous Orthodox Church – 2.4 million


• 
  Macedonian Orthodox Church – 2 million


• 
  Orthodox Church of Greece (Holy Synod in Resistance) – 0.75 million


• 
  Old Calendarist Romanian Orthodox Church – 0.50 million


• 
  Old Calendar Bulgarian Orthodox Church – 0.45 million


• 
  Orthodox Church in Italy – 0.12 million


• 
  Montenegrin Orthodox Church – 0.05 million

Other separated Orthodox groups – 6 million

• 
  Old Believers – 5.5 million


• 
  Greek Old Calendarists – 0.86 million


• 
  True Orthodox Church – 0.85 million


• 
  Evangelical Orthodox Church – 0.07 million

Oriental Orthodoxy – 80 million |

A map of Oriental Orthodoxy by population percentage.

Oriental Orthodox churches are the churches descended from those that rejected the Council of Chalcedon in 451. Despite the similar name, they are therefore a different branch of Christianity from the Eastern Orthodox (see above).

Autocephalous churches – 78.7 million

• 
  Ethiopian Orthodox Tewahedo Church – 48 million^[202]


• 
  Coptic Orthodox Church of Alexandria – 15.5 million


• 
  Armenian Apostolic Church – 9 million^[203]
  • 
    Mother See of Holy Etchmiadzin – 6 million
  
  
  • 
    Holy See of Cilicia – 1.5 million
  
  
  • 
    Armenian Patriarchate of Constantinople – 0.5–0.7 million^[204]
  
  
  • 
    Armenian Patriarchate of Jerusalem – 0.34 million
  
  


• 
  Syriac Orthodox Church – 1.7 million^[205][206]
  • 
    Jacobite Syrian Christian Church – 1.2 million^[207]


• 
  Eritrean Orthodox Tewahedo Church - 2.5 million


• 
  Malankara Orthodox Syrian Church - 2 million^[208]

Autonomous churches – 0.01 million

• 
  French Coptic Orthodox Church – 0.01 million

Churches not in communion – 0.07 million

• 
  Malabar Independent Syrian Church – 0.06 million


• 
  British Orthodox Church – 0.01 million

Non-trinitarian Restorationism – 35 million |

Note that this is quite distinct from the orthodox Trinitarian restorationism of groups such as the Disciples of Christ, despite some shared history.

Latter Day Saint movement (Mormonism) – 16.4 million

• 
  The Church of Jesus Christ of Latter-day Saints – 16.1 million^[209]


• 
  Community of Christ – 0.25 million^[210]

Jehovah's Witnesses – 8.5 million ^[211]

Oneness Pentecostalism – 6 million

• 
  United Pentecostal Church International – 4 million


• 
  Pentecostal Assemblies of the World – 1.5 million

Minor denominations – 4.4 million

• 
  Iglesia ni Cristo – 2.3 million^[212]


• 
  The Unification Church - 1-2 million


• 
  La Luz del Mundo – around million (See La Luz del Mundo#Statistics)
  


• 
  Unitarian Universalism – 0.6 million^[213]
  • 
    Unitarian Universalist Association – 0.2 million^[214]
    (Unitarian Universalism developed out of Christian traditions but no longer identifies as a Christian denomination.)
    


• 
  Church of Christ, Scientist – 0.4 million


• 
  Friends of Man – 0.07 million


• 
  Christadelphians – 0.06 million


• 
  Family International – 0.01 million

Independent Catholicism – 18 million |

Various denominations self-identifying as Catholic, despite not being affiliated with the Catholic Church.^[215]

• 
  Philippine Independent Church – 6 million^[216]


• 
  Chinese Patriotic Catholic Association – 5 million^[217]


• 
  Brazilian Catholic Apostolic Church – 5 million^[218]


• 
  Traditionalist Mexican-American Catholic Church – 2 million


• 
  Old Catholic Church – 0.1 million


• 
  Polish National Catholic Church – 0.025 million


• 
  Apostolic Catholic Church – 0.005 million


• 
  Palmarian Catholic Church – 0.0015 or 0.001 million^[219]

Minor branches – 3 million |

Reformed Orthodoxy (Eastern Christianity) – 1.1 million

• 
  Mar Thoma Syrian Church – 1.1 million^[220]

Church of the East (Nestorianism) – 0.6 million

• 
  Assyrian Church of the East – 0.5 million


• 
  Ancient Church of the East – 0.1 million

Messianic Judaism – 0.35 million^[221]

Unification movement (aka Moonies) – 1–2 million^[222]

References |

Other websites |

• Adherents.com


• Yearbook of American and Canadian Churches


• National Council of Churches USA


• Pew Research Center