
The Eastern Catholic Churches, also known as the Eastern-Rite Catholic Churches, are 23 autonomous particular churches that are in full communion with the pope in Rome. Eastern Catholics are a minority within the Catholic Church, with approximately 18 million members out of 1.3 billion Catholics in communion with the pope. The Eastern Catholic Churches have distinct theological, liturgical, and historical traditions from the Latin Church, which uses the Latin liturgical rites. These Eastern Catholic liturgies originate from Eastern Christianity and vary across different rites, including the Byzantine Rite, the Armenian Rite, and the Syriac Rite. Each church within the Eastern Catholic tradition retains the right to institute its own canonical norms, liturgical books, and practices while maintaining full and equal sacramental exchange with the Latin Church.
| Characteristics | Values |
|---|---|
| Number of Eastern Catholic Rites | 22 |
| Number of Eastern Catholic Churches | 23 |
| Communion | With Rome |
| Liturgical Traditions | Alexandrian Rite, Armenian Rite, Byzantine Rite, East Syriac Rite, West Syriac Rite |
| Code of Canons | The 1990 Code of Canons of the Eastern Churches |
| Ordination of Married Men | Allowed by many Eastern Catholic Churches |
| Membership | 18 million |
| Largest Eastern Catholic Church | Syro-Malabar Church |
| Second Largest Eastern Catholic Church | Ukrainian Greek Catholic Church |
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What You'll Learn

Eastern Catholic Churches are autonomous particular churches
Eastern Catholic Churches, also known as Eastern-Rite Catholic Churches, are 23 Eastern Christian autonomous (sui iuris) particular churches of the Catholic Church. They are in full communion with the pope in Rome and with each other. However, they are distinct theologically, liturgically, and historically from the Latin Church.
The term "rite" in the context of the Catholic Church refers to the liturgical, theological, spiritual, and disciplinary heritage of a particular church. It is influenced by the people's culture and historical circumstances and is expressed through their way of living the faith. The Code of Canons of the Eastern Churches identifies five traditions from which the Eastern Catholic rites spring: Alexandrian, Antiochian, Armenian, Chaldean, and Constantinopolitan. These traditions are reflected in the various liturgical rites of the Eastern Catholic Churches, such as the Byzantine Rite, the Armenian Rite, and the West Syriac Rite.
The Eastern Catholic Churches have their own internal canons and laws, in addition to the 1990 Code of Canons of the Eastern Churches, which collectively governs them. They retain the right to institute their own canonical norms, liturgical books, and practices for the ritual celebration of the Eucharist and other sacraments. This autonomy allows them to preserve their unique traditions, disciplines, and canon law while still being in full communion with the Catholic Church.
Eastern Catholics are a minority within the Catholic Church, with approximately 18 million members out of 1.3 billion Catholics in communion with the pope. The largest numbers of Eastern Catholics are found in Eastern Europe, Eastern Africa, the Middle East, and India. As of 2022, the Syro-Malabar Church is the largest Eastern Catholic Church, followed by the Ukrainian Greek Catholic Church.
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They are in full communion with Rome
The Eastern Catholic Churches, also known as the Eastern-Rite Catholic Churches, are 23 Eastern Christian autonomous (sui iuris) particular churches of the Catholic Church. They are in full communion with the pope in Rome. Although they are distinct theologically, liturgically, and historically from the Latin Church, they are all in full communion with it and with each other. Eastern Catholics are a minority within the Catholic Church; of the 1.3 billion Catholics in communion with the pope, approximately 18 million are members of the eastern churches.
The Eastern Catholic Churches are distinct particular churches sui iuris (autonomous), although they maintain full and equal, mutual sacramental exchange with members of the Latin Church. The word "rite" is used to refer to the liturgical patrimony of a particular church, and the term "Latin rite" can refer to either the Latin Church or to one or more of the Latin liturgical rites, including the Roman Rite, Ambrosian Rite, and Mozarabic Rite. The Eastern Catholic Churches utilise liturgies originating in Eastern Christianity, distinguishing them from the majority of Catholic liturgies, which are celebrated according to the Latin liturgical rites of the Latin Church.
The Code of Canons of the Eastern Churches defines "rite" as the liturgical, theological, spiritual, and disciplinary heritage, distinguished according to peoples' culture and historical circumstances, expressed in each autonomous church's way of living the faith. "Rite" concerns a people's liturgy (manner of worship), theology (understanding of doctrine), spirituality (prayer and devotion), and discipline (canon law). The five historic liturgical traditions of Eastern Christianity, namely the Alexandrian Rite, the Armenian Rite, the Byzantine Rite, the East Syriac Rite, and the West Syriac Rite, are all represented within Eastern Catholic liturgy.
Eastern Catholics are in full communion with the pope and members of the worldwide Catholic Church, but they are not members of the Latin Church. Both Latin and Eastern Catholics may freely attend a Catholic liturgy celebrated in any rite.
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There are 22-24 Eastern Catholic Churches
The Eastern Catholic Churches, also known as the Eastern-Rite Catholic Churches or simply the Eastern Churches, are autonomous particular churches that practice multiple liturgical rites. There are 22 to 24 Eastern Catholic Churches, which are in full communion with the Holy See of Rome and the Latin Church. These churches are headed by bishops, some of whom are titled Patriarch or Major Archbishop.
The Eastern Catholic Churches utilise liturgies originating in Eastern Christianity, which distinguishes them from the majority of Catholic liturgies celebrated according to Latin liturgical rites. While some of these churches use the same liturgical ritual families as other Eastern Catholic churches and Eastern churches not in communion with Rome, each church has the right to institute its own canonical norms, liturgical books, and practices for the ritual celebration of the Eucharist, other sacraments, and canonical hours.
The term "rite" in the context of the Eastern Catholic Churches refers to the liturgical, theological, spiritual, and disciplinary heritage of a particular church, which is shaped by the culture and historical circumstances of its people. The five historic liturgical traditions of Eastern Christianity, namely the Alexandrian Rite, the Armenian Rite, the Byzantine Rite, the East Syriac Rite, and the West Syriac Rite, are all represented within Eastern Catholic liturgy.
The Eastern Catholic Churches are distinct from the Latin Church not only liturgically but also theologically and historically. They are a minority within the Catholic Church, with approximately 18 million members out of the 1.3 billion Catholics in communion with the Pope. The largest numbers of Eastern Catholics are found in Eastern Europe, Eastern Africa, the Middle East, and India. As of 2022, the Syro-Malabar Church is the largest Eastern Catholic Church, followed by the Ukrainian Greek Catholic Church.
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Eastern Catholic liturgies vary
The five historic liturgical traditions of Eastern Christianity, namely the Alexandrian Rite, the Armenian Rite, the Byzantine Rite, the East Syriac Rite, and the West Syriac Rite, are all represented within Eastern Catholic liturgy. The Byzantine Rite, for example, has also been called the Greek Rite in the context of the Melkite Greek Catholic Church, and Melkite worship according to this rite has also been called the "Melkite Rite". The specific version of the Byzantine Rite used by Melkites might be referred to as the Melkite "recension" of that rite.
The Eastern Catholic liturgies have corresponding liturgies in the Latin liturgical rites and the other Eastern rites. For example, the Eucharistic celebration of the Mass in the Latin rites is analogous to the Divine Liturgy of the Byzantine and Alexandrian liturgical rites, the Holy Qurbono of the West Syriac Rite, the Holy Qurbana of the Eastern Syriac Rite, and the Eucharistic celebrations of the Armenian Rite.
The Code of Canons of the Eastern Churches defines "rite" as follows: "Rite is the liturgical, theological, spiritual and disciplinary heritage, distinguished according to peoples' culture and historical circumstances, that finds expression in each autonomous church's way of living the faith."
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Eastern Catholics are a minority within the Catholic Church
Eastern Catholics are those who belong to one of the 23 Eastern Catholic Churches, also known as the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches. These churches are distinct theologically, liturgically, and historically from the Latin Church, but they are all in full communion with it and with each other. The Eastern Catholic Churches are autonomous particular churches (sui iuris) that practice multiple liturgical rites. The term "rite" refers to the liturgical, theological, spiritual, and disciplinary heritage of a particular church, which is shaped by the culture and historical circumstances of its people.
The Eastern Catholic Churches were formerly part of the Eastern Orthodox Church, the Oriental Orthodox churches, or the Church of the East. They underwent various schisms throughout history, and their inclusion within the Catholic Church has been a point of controversy in ecumenical relations with the Eastern Orthodox and other non-Catholic churches. The five historic liturgical traditions of Eastern Christianity—the Alexandrian Rite, the Armenian Rite, the Byzantine Rite, the East Syriac Rite, and the West Syriac Rite—are all represented within Eastern Catholic liturgy.
While Eastern Catholic liturgies vary, the rituals celebrated generally have corresponding liturgies in the Latin liturgical rites and the other Eastern rites. For example, the Eucharistic celebration of the Mass in the Latin rites is analogous to the Divine Liturgy of the Byzantine and Alexandrian liturgical rites, the Holy Qurbono of the West Syriac Rite, and the Holy Qurbana of the Eastern Syriac Rite. The Eastern Catholic Churches are governed by the 1990 Code of Canons of the Eastern Churches, which allows each church to maintain its own internal canons and laws while also adhering to the broader Catholic Church teachings and communion with the Pope.
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Frequently asked questions
The Eastern Catholic Churches, also known as the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are autonomous particular churches that practice multiple liturgical rites. They are distinct theologically, liturgically, and historically from the Latin Church.
There are 23 Eastern Catholic Churches, according to some sources. However, other sources mention 24 Eastern Catholic Churches.
Yes, all of the Eastern Catholic Churches are in full communion with the pope in Rome. Together with the Latin Rite, they make up the Catholic Church.
The five historic liturgical traditions of Eastern Christianity represented within Eastern Catholic liturgy are the Alexandrian Rite, the Armenian Rite, the Byzantine Rite, the East Syriac Rite, and the West Syriac Rite.
A liturgical rite is a liturgical, theological, spiritual, and disciplinary patrimony of a distinct people manifested in a Church. It concerns a people's liturgy (manner of worship), theology (understanding of doctrine), spirituality (prayer and devotion), and discipline (canon law).













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