
Ukraine is a predominantly Christian country, with 85% of its population identifying as Christian according to a 2022 survey. While the majority of Christians in Ukraine are Eastern Orthodox, a significant number of Ukrainians are also Catholic. The Catholic Church in Ukraine is part of the worldwide Catholic Church and is under the spiritual leadership of the Pope in Rome. So, what percentage of Ukraine is Catholic?
| Characteristics | Values |
|---|---|
| Percentage of Catholics in Ukraine | 9% (Byzantine Rite Eastern Catholicism), 13-14% (including other Catholic denominations) |
| Percentage of Greek Catholics in Ukraine | 8% (Ukrainian Greek Catholics), 1% (Latin Catholics), 10.2% (according to the International Religious Freedom Report) |
| Percentage of Roman Catholics in Ukraine | 1% (Latin Catholics), 2% (according to the Catholic Church in Ukraine), 1.9% (according to the International Religious Freedom Report) |
| Percentage of Christians in Ukraine | 85% (according to Kyiv International Institute of Sociology), 62.7% (according to the International Religious Freedom Report) |
| Percentage of Orthodox Christians in Ukraine | 72% (Eastern Orthodox), 60-70% (Christian Orthodoxy), 62.7% (according to the International Religious Freedom Report) |
| Percentage of Atheists in Ukraine | 6% (2022), 10% (2020, 2021, 2022 surveys by Kyiv International Institute of Sociology) |
| Percentage of Muslims in Ukraine | 0.9% (2010), 1% (2022) |
| Percentage of Jews in Ukraine | 7% (before World War II), 0.7% (approximately 300,000 people in 2023) |
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What You'll Learn

Catholicism is the second-largest denomination in Ukraine
Ukraine is a multicultural and multi-religious state, guaranteeing freedom of religion and expression for all. The country has a diverse religious landscape, with a variety of Christian churches, mosques, synagogues, and other religious centres.
Christianity is the predominant religion in Ukraine, with 85% of the population identifying as Christian according to a 2022 survey. Of these, 72% avowed fidelity to an Eastern Orthodox Church, with 54% adhering to the Orthodox Church of Ukraine and 4% associating with the Moscow Patriarchate.
The Latin Church in Ukraine has strong historical ties to Poland and is predominantly found in the western regions of the country. The Armenian Catholic Church is another Catholic denomination present in Ukraine, with an archeparchy in Lviv. However, it has been vacant since World War II, and Armenian Catholics are relatively few in number.
The history of the Catholic Church in Ukraine dates back to the 10th century when Christianity was established as the state religion in Kievan Rus'. Over time, there have been unions and schisms within the Catholic Church in the region, influenced by political and cultural changes. The Catholic Church in Ukraine is under the spiritual leadership of the Pope in Rome, and the church plays a significant role in the public discourse and cultural life of the country.
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Greek Catholics are mainly in the west of Ukraine
The Ukrainian Greek Catholic Church is the largest Eastern Catholic Church and is in communion with Rome since the Union of Brest-Litovsk in 1596. Byzantine Christianity was established among the Ukrainians in 988 by St. Vladimir (Volodimir). The people in this church were referred to by the Catholic hierarchy primarily as "Graeci catholici" (Greek Catholics) because they used the "Greek" or Byzantine Rite. The Austrian Empire later used "Griechisch-katolisch" (German for 'Greek Catholic') as a catch-all term for Eastern Catholics under its rule until 1918.
In the 19th century, the children of priests within the Ukrainian Greek Catholic Church often became priests themselves and married within their social group, establishing a tightly knit hereditary caste. As a result, the clergy formed a native aristocracy within western Ukrainian society. Most Ukrainian social and political movements in Austrian-controlled territory emerged from or were highly influenced by the clergy themselves or by their children.
In the 20th century, Ukrainian Greek Catholics came under severe persecution. During World War II, the Soviet people took over Western Ukraine and viewed the UGCC as enemies. They began persecuting members and clergy, and the UGCC was forced to carry out their practices and activities in secret. The Soviet people revoked the Union of Brest-Litovsk to break the UGCC away from the Vatican and join with the Russian Orthodox Church. Large numbers of "insubordinate" priests and laity were sent to prison camps in Siberia or tortured, and some were even killed. It was not until the end of the Soviet Union in 1988–1989 that the Ukrainian Greek Catholic Church was again made legal.
As of 2022, Christianity was particularly strong in the westernmost Ukrainian regions, where most Greek Catholics lived. In central, southern and eastern regions, Christians constitute a smaller proportion of the total population, particularly in the easternmost region of Donbas. According to a survey by the Kyiv International Institute of Sociology (KIIS), 85% of Ukrainians identified as Christians. 72% identified themselves with Eastern Orthodoxy, 9% with the Catholic Church (8% Eastern Catholic, 1% Latin Church) and 4% with a Protestant Church or other Christian movement.
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There are Ukrainian Greek Catholics in the diaspora
According to a 2022 survey by the Kyiv International Institute of Sociology (KIIS), 85% of Ukrainians identified as Christians, with 72% identifying with Eastern Orthodoxy and 9% with the Catholic Church. Of that 9%, 8% are Eastern Catholics, and 1% are Latin Catholics. The Ukrainian Greek Catholic Church is the second-largest Eastern Catholic Church in the world and is the second-largest religious organization in terms of the number of communities within Ukraine's Catholic Church.
The Ukrainian Greek Catholic Church has a significant presence in the diaspora, with a notable presence in Poland, the United States, Canada, and other countries. Migration has played a significant role in expanding the church's reach globally, with dioceses in Europe, Australia, and South America, in addition to North America. In Poland, there are approximately 55,000 Ukrainian Greek Catholics, many of whom have historical ties to the Galician Catholic homeland.
In the United States and Canada, the Ukrainian Greek Catholic community has experienced a decline in numbers as they have moved out of ethno-religious enclaves. However, the church continues to have a presence in these countries, with approximately 49,000 adherents in the United States and 48,000 in Canada.
The Ukrainian Greek Catholic Church is rooted in a complex cultural and religious history. It is a Byzantine Rite Eastern Catholic Church, following the Byzantine liturgical, theological, and spiritual traditions. The church regards itself as a successor to the metropolis established in 988 following the Christianization of Kievan Rus' by Grand Prince Vladimir the Great. The "Greek" in its name refers to its Byzantine liturgical and spiritual legacy, rather than any ethnic connotation.
The Ukrainian Greek Catholic Church has a unique relationship with the Vatican and the Holy See. While it is in full communion with the Holy See, it does not have a patriarchal leader. Instead, the church is led by a Major Archbishop, a title introduced as a political compromise in 1963. The current Major Archbishop is Sviatoslav Shevchuk.
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The Catholic Church provides humanitarian aid in Ukraine
Christianity is the predominant religion in Ukraine, with 85% of the population identifying as Christian according to a 2022 survey. Of these, 9% belong to the Catholic Church, with 8% being Ukrainian Greek Catholics and 1% Latin Catholics.
The Catholic Church in Ukraine is part of the worldwide Catholic Church, under the spiritual leadership of the Pope in Rome. The Catholic Church has been providing humanitarian aid to Ukraine since the Russian invasion in 2022. Caritas Ukraine is the charity of the Greek Catholic Church in Ukraine, while Caritas-Spes Ukraine is the official charity organization of the Roman Catholic Church in Ukraine. Both organizations have become major humanitarian actors, providing aid to millions of people following the Russian invasion.
Caritas Ukraine has provided material, social, psychological, and legal assistance to tens of thousands of Ukrainians in need. Similarly, Caritas-Spes Ukraine operates more than 30 centers across the country, meeting the needs of children, families, the elderly, and the impoverished. The Catholic Relief Services (CRS), the international humanitarian agency of the Catholic community in the United States, has also provided assistance in Ukraine since the conflict began in 2014. CRS has focused on providing humanitarian aid to displaced persons and helping them achieve self-sufficiency.
In addition to these organizations, the Catholic charity Aid to the Church in Need (ACN) has provided significant financial support to the Catholic Church in Ukraine, approving and financing 977 projects with over $26 million in funding. ACN's support has covered both the Greek Catholic and Latin Catholic Churches in Ukraine, with a focus on subsistence support for priests and sisters, the training of seminarians, trauma care, and help with transport. The organization has also provided mobile chapels for pastoral care in contested areas of eastern Ukraine and helped repair churches damaged by missile attacks.
The Catholic Church in Ukraine has played a crucial role in providing humanitarian aid to those affected by the conflict, with support from the wider Catholic community and organizations worldwide. These efforts have helped to address the immediate needs of displaced persons and provided spiritual and emotional support to a country facing the challenges of war and social upheaval.
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There is a small Muslim community in Ukraine
Christianity is the predominant religion in Ukraine, with 85% of the population identifying as Christian according to a 2022 survey. Of these, 9% belong to the Catholic Church, with 8% belonging to the Ukrainian Greek Catholics and 1% Latin Catholics.
Ukraine has a long history of religious diversity, with the presence of Islam in the country dating back centuries. There is a small Muslim community in Ukraine, with numbers ranging from several hundred thousand citizens to 2 million. The Muslim community in Ukraine includes Crimean Tatars, Volga Tatars, Turks, people from Central Asia, the North Caucasus, Azerbaijan, Arab countries, and those who have converted to Islam. The largest Muslim community in Ukraine is the Crimean Tatars, an indigenous people who historically formed and lived on the Crimean peninsula. They constitute the majority of Muslims in Ukraine, with around 248,000 people as per the 2001 census.
Islam was introduced to present-day Ukraine by the Golden Horde in 1313 and the Sunni Ottoman Empire in the 1470s. During the period of Soviet rule, the governing Soviet authorities promoted atheism and persecuted religious believers, impacting the number of official churchgoers. In recent times, the Muslim population in Ukraine has been impacted by internal displacement and migration due to events such as Crimea's annexation and the conflict in Eastern Ukraine in 2014. This has resulted in a demographic shift, with a growth of Muslim populations in Central and Western Ukraine.
In addition to the Muslim community, Ukraine is also home to a small number of Buddhists, Hindus, Falun Gong practitioners, Baha'is, and supporters of the International Society for Krishna Consciousness. The country guarantees freedom of religion and expression for all, as evidenced by the presence of Christian churches, mosques, synagogues, and other religious centers.
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Frequently asked questions
Around 9% of Ukraine's population is Catholic, with 8% belonging to the Ukrainian Greek Catholic Church and 1% to the Latin Catholic Church.
The history of the Catholic Church in Ukraine goes back to the 10th century when Christianity was established as the state religion of Ruthenia in 988. The Union of Brest in 1595 officially united the Ruthenian Church with the Catholic Church.
The Catholic Church in Ukraine is part of the worldwide Catholic Church and is under the spiritual leadership of the Pope in Rome. The majority of Ukrainian Catholics belong to the Ukrainian Greek Catholic Church, which is a Byzantine Rite Eastern Catholic Church.
Ukrainian Catholics are concentrated in the western regions of Ukraine bordering Poland, particularly in Lviv.
Catholicism is the second largest denomination in Ukraine after Christian Orthodoxy, which makes up 60-70% of the population.





























