Eastern Christianity
Eastern Christianity encompasses diverse traditions originating in the Eastern Mediterranean.
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Eastern Christianity encompasses a diverse array of Christian traditions and church families that originated in the Eastern Mediterranean and regions further east, south, or north during classical and late antiquity. It is not a single communion but a broad category set apart from Western Christianity, which developed in the western Mediterranean. The largest Eastern body is the Eastern Orthodox Church, with a worldwide population of 220 million, followed by the Oriental Orthodox Churches at 60 million. The Eastern Catholic Churches, which maintain Eastern liturgies while in communion with Rome, number about 16–18 million. Descendants of the historic Church of the East, such as the Assyrian Church of the East and the Ancient Church of the East, together have roughly 400,000 members. Eastern Protestant churches, like the Ukrainian Lutheran Church and the Malankara Mar Thoma Syrian Church, do not form a single communion. Historically centered in the Middle East, Eastern Christianity shifted after the 7th-century Muslim conquests, with the term increasingly applied to the Greek Church based in Constantinople. The East–West distinction reflects the cultural divide between the Hellenistic East and Latin West, as well as the political split of the Roman Empire in 395. Eastern churches employ several liturgical rites, including the Alexandrian, Armenian, Byzantine, East Syriac, and West Syriac rites. Most allow married men to become priests and administer chrismation to infants after baptism. Major branches diverged over Christology and theology: the Church of the East declared independence in 424, before the Council of Ephesus; Oriental Orthodoxy separated after the Council of Chalcedon in 451, forming separate patriarchates later. While often called “Orthodox,” most Christian denominations consider themselves orthodox in the literal sense of holding correct beliefs.
- key_liturgical_rites
- Alexandrian, Armenian, Byzantine, East Syriac, West Syriac
Lore & Background
Historically, Eastern Christianity was centered in the Middle East and surrounding areas, where Christianity originated. After the Muslim conquest of the Levant in the 7th century, the term Eastern Church increasingly came to be used for the Greek Church centered in Constantinople, in contrast with the (Western) Latin Church centered on Rome. Since the Protestant Reformation of the 16th century, the term 'Eastern Christianity' may be used in contrast with 'Western Christianity', which contains not only the Latin Church but also forms of Protestantism and Independent Catholicism.
Reader's Guide
Eastern Christianity's significance lies in its preservation of ancient liturgical traditions and theological diversity. The Eastern Orthodox Church, the largest body, identifies itself as the original Christian church founded by Christ and the Apostles, emphasizing apostolic succession and Holy Tradition. Oriental Orthodoxy maintains the faith of the first three ecumenical councils while rejecting the Council of Chalcedon. Eastern Catholic Churches recognize the authority of the Pope of Rome while maintaining Eastern liturgies and traditions, including allowing married men to become priests. The East–West Schism, often dated to 1054, reflected larger cultural and political divisions. Most Eastern churches do not normally refer to themselves as 'Eastern', with the exception of the Assyrian Church of the East and its offshoot. The legacy of Eastern Christianity includes its distinct liturgical rites—Alexandrian, Armenian, Byzantine, East Syriac, and West Syriac—and its ongoing influence in regions from Eastern Europe to the Middle East and India.
Did You Know?
- The East–West Schism is often dated to 1054.
- Most Eastern churches do not normally refer to themselves as 'Eastern', with the exception of the Assyrian Church of the East and its offshoot.
- The five distinct liturgical rites of Eastern Christianity are Alexandrian, Armenian, Byzantine, East Syriac, and West Syriac.
Frequently Asked Questions
Who is Eastern Christianity?
Eastern Christianity is a broad umbrella term for the family of Christian traditions that first took shape in the Eastern Mediterranean and surrounding regions during the classical and late-antiquity periods. It is not one single denomination but a geographic and historical category set apart from the Western Mediterranean-based stream of Christianity.
What are Eastern Christianity's major bodies and liturgical rites?
The Eastern Orthodox Church is its largest constituent at roughly 220 million members, with the Oriental Orthodox following at about 60 million. The tradition preserves five principal liturgical rites: Alexandrian, Armenian, Byzantine, East Syriac, and West Syriac.
How big is Eastern Christianity beyond its two largest branches?
Eastern Catholic churches together number 16–18 million, the Assyrian Church sits near 400,000, and Eastern Protestant communities range from a few thousand (the Ukrainian Lutheran Church) to over a million (the Malankara Mar Thoma Syrian Church). Altogether these smaller bodies add significant diversity to the overall picture.
Why is Eastern Christianity important?
It constitutes one of the two great geographic and liturgical streams of global Christianity, carrying distinct theological, liturgical, and cultural heritages that shaped the Eastern Mediterranean, the Middle East, and much of Eurasia. Its long-standing rites and church families continue to influence hundreds of millions of believers across multiple continents.
How does Eastern Christianity's story end?
It has no single ending because it remains a living, actively worshiping collection of traditions rather than a concluded narrative. Its various churches continue to celebrate ancient liturgies, ordain clergy, and grow in communities around the world today.
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