
Europe has been predominantly Catholic for centuries, with the religion playing a significant role in shaping the continent's culture and identity. Since the first century, Christianity has been practised in Europe, and the Catholic Church was the only consistent force in Western Europe during the Middle Ages. The dominance of the Catholic Church in Europe began to wane with the East-West Schism of the 11th century and the rise of Protestantism during the 16th-century Reformation. While Europe was once home to most of the world's Catholics, today, the share has dropped significantly, with Latin America hosting a larger Catholic population. Despite this, Catholicism remains the largest religious group in Europe, with about 35% of the continent's population identifying as Catholic.
| Characteristics | Values |
|---|---|
| Time period when Europe was predominantly Catholic | From the Middle Ages to the 18th century (Age of Enlightenment) |
| Percentage of Europeans identifying as Catholic in 2010 | 48% |
| Percentage of Catholics among European Christians in 2010 | >48% |
| Percentage of world's Catholics living in Europe in 1910 | 65% |
| Percentage of world's Catholics living in Europe in 2010 | 24% |
| Region with the largest share of Catholics in Europe | Southern and Central Europe |
| European countries with the largest share of Catholics | Poland (87%), Italy (78%), Portugal (77%), Ireland (72%), Lithuania (75%) |
| Other European countries with sizable Catholic populations | Spain (60%), Hungary (56%), the United Kingdom (19%), the Netherlands (19%), Ukraine (10%) |
| Percentage of Catholics in Germany | 42% |
| Percentage of Catholics who attend church monthly in Central and Eastern Europe | 44% |
| Percentage of Catholics who attend church monthly in Western Europe | 33% |
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What You'll Learn

The dominance of the Catholic Church in Europe
Christianity has been practised in Europe since the first century, and the region has been the centre and "cradle of Christian civilisation". The dominance of the Catholic Church in Europe was the only consistent force in Western Europe from the Middle Ages onwards, as centralised Roman power waned in southern and central Europe.
The Catholic Church was an essential mediator between God and man for Catholics. The Church recognised seven sacraments: baptism, confirmation, confession, communion, marriage, the priesthood, and extreme unction (the last rites). The dominance of the Catholic Church in Europe was challenged by the East-West Schism of the 11th century, which divided "Christendom" into hostile factions. The Western (Latin) branch of Christianity became known as the Catholic Church, while the Eastern (Greek) branch became the Orthodox Church.
The dominance of the Catholic Church was further challenged by the Protestant Reformation of the 16th century, which again divided "Christendom" into hostile factions. The reformers, united in attacking the Catholic Church, inspired the establishment of many reformed or Protestant churches, including the Lutheran, Calvinist, and Methodist churches. While the population of southern Europe remained predominantly Catholic, Protestant churches flourished in the north.
The early modern period from 1500 to 1780, beginning with the Reformation and ending with the Enlightenment, saw the Catholic Church's hold on European populations reduce due to the growth of Protestantism and religious skepticism. The Age of Enlightenment in the 18th century led to atheism and agnosticism becoming widespread in Western Europe.
Today, Catholicism is still the largest religious group in Europe, with about 35% of the population identifying as Catholic. However, only about a quarter of all Catholics worldwide reside in Europe, down from 65% in 1910. The European countries with the largest shares of Catholics are mostly located in southern and central Europe, including Poland (87%), Italy (78%), Portugal (77%), Spain (60%), and Hungary (56%).
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The East-West Schism of the 11th century
Christianity has been practised in Europe since the first century. The religion played a significant role in the development of European culture and identity. Europe has been the centre of Christian civilization and has a rich Christian culture. Since the fourth century, when Christianity was legalised by the Roman Emperor Constantine, Europe has been a crucial centre of Christian culture.
The theological differences between the two sides reflected their distinct roots. Eastern theology was grounded in Greek philosophy, while Western theology drew heavily from Roman law. This divergence led to conflicting interpretations and definitions of essential doctrines, such as the procession of the Holy Spirit and the use of leavened or unleavened bread in the Eucharist. The Bishop of Rome's claim to universal jurisdiction and the place of the See of Constantinople within the Pentarchy further exacerbated tensions.
The mutual excommunications by the Pope and the Patriarch in 1054, known as the Great Schism, marked a watershed moment in church history. This formal rupture was the culmination of centuries of gradual separation between the Eastern and Western Roman Empires along religious fault lines. The growing estrangement between the Byzantine church and the Roman church contributed to the schism. The schism resulted in the institutional separation between the Eastern Orthodox Church and the Western Catholic Church, a divide that has persisted despite improved relations in recent decades.
The East-West Schism had far-reaching consequences, shaping the religious landscape of Europe and contributing to the development of distinct Christian traditions in the East and West. It is important to note that the schism was not solely based on theological differences but also influenced by regional customs and practices, which further widened the divide between the two branches of Christianity.
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The Protestant Reformation of the 16th century
Europe has been the "cradle of Christian civilization", with Christianity playing a prominent role in the development of European culture and identity. The Catholic Church was the only consistent force in Western Europe from the Middle Ages onwards, as centralized Roman power waned.
The Reformation spread to other European countries over the course of the 16th century. By the middle of the century, the split between the Catholic Church and reformers had grown too wide for reconciliation, and Lutheranism dominated northern Europe. The popularity of Protestant ideas forced the Catholic Church to embark on a series of reforms, often called the Counter-Reformation. The religious division sparked conflicts, with millions dying for their faith in religious wars.
The Reformation led to the founding of Protestantism, one of the three major branches of Christianity. It resulted in the division of Western Christendom between Roman Catholicism and the new Protestant traditions. The spread of Protestantism in areas that had previously been Roman Catholic had far-reaching political, economic, and social effects. The greatest leaders of the Reformation were Martin Luther and John Calvin, whose interpretation of Christianity, known as Calvinism, deeply influenced many areas of Protestant thought.
The Reformation appealed to the founders of the United States, and some of its concepts of individualism and free expression of religion are incorporated into the First Amendment. Most settlers in the thirteen colonies that eventually formed the United States were Protestants, and several had established Protestant churches.
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The Enlightenment and its impact on Catholicism
Europe has been predominantly Catholic since the Middle Ages, when the decline of centralized Roman power left the Catholic Church as the only consistent force in Western Europe. The Enlightenment of the 18th century, however, brought significant changes to the Catholic Church and its role in society.
The Enlightenment was a complex era that laid the scientific and political foundations of the modern world. It was characterized by a commitment to reason, democracy, rights, and tolerance. While it brought freedom of religion and allowed Catholicism to spread in some places, such as the United States, it also led to a separation of church and state and the decline of religious influence in certain spheres.
The Enlightenment's emphasis on rationalism and secularism posed a challenge to the Catholic Church, which had long been a powerful force in Europe. The Church had been the source of religious truth for Catholics, with the Pope and church councils considered authoritative. The Enlightenment's promotion of individual interpretation of the Bible and direct communication with God undermined the Church's intermediary role.
The Enlightenment also sparked a period of reform within the Catholic Church, known as the "Catholic Enlightenment." This movement sought to harmonize Catholic faith and culture with the new ideas emerging during the Enlightenment. It was characterized by a positive engagement with Enlightenment values in the realms of philosophy, science, politics, and theology. Figures like Pope Benedict XIV, who reigned from 1740 to 1758, embraced the advancement of science and the use of reason alongside faith.
However, the Catholic Enlightenment was short-lived and faced resistance from within the Catholic Church. The Enlightenment's rationalism and worldly pursuits led to controversies within the Church, particularly among monks in the Benedictine Order. The ideological and anti-Christian strains within the Enlightenment gained strength and contributed to the decline of the Catholic Enlightenment.
In conclusion, the Enlightenment had a significant impact on Catholicism in Europe. It brought religious freedom and allowed Catholicism to spread in some regions, but it also challenged the authority of the Catholic Church and led to a separation of church and state. The Catholic Church responded with its own reform movement, the Catholic Enlightenment, which sought to integrate Catholic faith with Enlightenment ideas. However, the Enlightenment's anti-religious elements ultimately contributed to the decline of the Catholic Church's dominance in Europe.
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The decline of Europe's share of global Catholics
Europe has long been considered the "'cradle of Christian civilization', with Christianity playing a significant role in shaping European culture and identity. Since the Middle Ages, the Catholic Church was the dominant force in Western Europe, influencing art, philosophy, literature, music, and science. However, Europe's share of global Catholics has declined over time.
In 1910, Europe was home to 65% of the world's Catholics. However, a century later, in 2010, the share of global Catholics living in Europe dropped significantly to 24%. This decline can be attributed to several factors, including the historical migration and immigration of Catholic European ethnic groups to other continents, such as the Americas and Australia. Additionally, Catholicism has been actively spread outside of Europe through missionary work and the colonization and conversion of native peoples by Catholic European countries. As a result, Latin America now hosts the largest share of Catholics globally at 39%, followed by sub-Saharan Africa at 16% and the Asia-Pacific region at 12%.
While Catholics still constitute the largest religious group in Europe, making up about 35% of the population, the decline in Europe's share of global Catholics reflects a broader shift. Southern and Central European countries, such as Poland, Italy, Portugal, Spain, and Hungary, continue to have high proportions of Catholic residents, while Western European countries like France exhibit lower rates of daily prayer and religious importance among their Catholic populations.
The early modern period, from 1500 to 1780, marked a significant shift in European religious demographics with the Reformation and the Enlightenment. The Reformation, which began with Martin Luther's theological propositions in 1517, divided Europe into hostile factions, with Protestant churches flourishing in the north and Catholic dominance remaining in the south. The Enlightenment further contributed to the decline of Catholicism in Europe, as atheism and agnosticism gained traction in Western Europe.
Despite these shifts, Europe remains an important center of Catholic culture, with many holy sites, heritage, and religious centers. While Europe's share of global Catholics has decreased, the continent continues to shape Catholic traditions and practices, influencing the wider Catholic community worldwide.
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Frequently asked questions
Europe has been predominantly Catholic since the first century CE.
From the Middle Ages onwards, as the centralized Roman power waned, the Catholic Church was the only consistent force in Western Europe. However, the East-West Schism of the 11th century and the Protestant Reformation of the 16th century divided "Christendom" into hostile factions.
The Age of Enlightenment in the 18th century led to atheism and agnosticism becoming widespread in Western Europe.
The Reformation led to the establishment of many Protestant churches, and while Southern Europe remained predominantly Catholic, Protestant churches flourished in the north.
About 35% of the population of Europe is Catholic today, but only about a quarter of all Catholics worldwide reside in Europe.











































