List of Christian denominations by number of members
largest Christian churchlargest denominationall Christian denominationsbelowlargest particular churchsecond-largest Christian churchsecond-largest formthird largestthough the Greek Old Calendarists and True Orthodox Russians are often cited at 1.7-2 million together.Wikipedia page on denomination sizes
This is a list of Christian denominations by number of members.wikipedia


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Catholic Church
Roman CatholicCatholicRoman Catholic Church
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.
The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with approximately 1.3 billion baptised Catholics worldwide.









Eastern Orthodox Church
Eastern OrthodoxOrthodoxOrthodox Church
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.
The Eastern Orthodox Church, officially the Orthodox Catholic Church, is the second-largest Christian church, with approximately 260 million baptised members.









Protestantism
ProtestantProtestantsProtestant church
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.
Protestantism is the second-largest form of Christianity with collectively between 800 million and more than 900 million adherents worldwide or nearly 40% of all Christians.









Anglican Communion
AnglicanAnglican ChurchAnglicans
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.
The Anglican Communion is the third largest Christian communion.


Latin Church
Latin CatholicWestern ChurchLatin Rite
;Latin Church – 1.295 billion
With approximately 1.255 billion members (2015), the Latin Church remains by far the largest particular church not only in the Catholic Church or Western Christianity, but in all Christianity.









United Methodist Church
United MethodistMethodistThe United Methodist Church
With at least 12 million members as of 2014, the UMC is the largest denomination within the wider Methodist movement of approximately 80 million people across the world.









Christian denomination
denominationdenominationsChristian denominations
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.


Church of the Lord (Aladura)
Church of the LordAladura ChurchChurch of Aladura
List of Christian denominations
Christian denominationsdenominationsChristian denomination
List of the largest Protestant denominations
List of the largest Protestant bodiesProtestant denominationsList of the largest Protestant churches of the world
Eastern Catholic Churches
Eastern CatholicUniateEastern Catholic Church
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.









Oriental Orthodox Churches
Oriental OrthodoxOriental OrthodoxyOriental Orthodox Church
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.




Restorationism
RestorationistrestorationRestorationism (Christian primitivism)
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.









Nontrinitarianism
nontrinitariananti-Trinitarianantitrinitarian
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.



List of independent Catholic denominations
List of Old Catholic ChurchesIndependent Catholic denominationsindependent Catholic
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.
Church of the East
NestorianNestorian ChurchNestorians
The list includes the following Christian denominations: the Catholic Church including the Eastern Catholic Churches; all the Eastern Orthodox and Oriental Orthodox churches with some recognition and their offshoots; Protestant denominations with at least 0.2 million members; the provinces of the Anglican Communion with at least 0.2 million members; all the other Christian branches with distinct theologies, such as Restorationist and Nontrinitarianian denominations; the independent Catholic denominations; and the Church of the East.









Annuario Pontificio
Pontifical Yearbook
Figures below are in accordance with the Annuario Pontificio, at 2017.

Byzantine Rite
ByzantineGreek RiteRite of Constantinople









Ukrainian Greek Catholic Church
Ukrainian Greek CatholicUkrainian CatholicUkrainian Catholic Church









Melkite Greek Catholic Church
Melkite Greek CatholicMelkiteMelkite Catholic







Romanian Greek Catholic Church
Greek-CatholicRomanian Greek-Catholic ChurchGreek Catholic







Ruthenian Greek Catholic Church
Ruthenian Catholic ChurchRuthenianRuthenian Catholic


Hungarian Greek Catholic Church
Greek CatholicHungarian Greek CatholicHungarian Byzantine Catholic Church
