
Europe has been a significant centre of Christian culture since the Roman Empire officially adopted Christianity in AD 380. The Catholic Church, headquartered in Rome's Vatican City, is the largest non-government provider of education and healthcare worldwide. As of 2010, Roman Catholics were the largest Christian group in Europe, making up 48% of European Christians. While Latin America now has a higher share of Catholics than Europe, several European countries have significant Catholic populations. So, which country in Europe has the highest percentage of Catholics?
| Characteristics | Values |
|---|---|
| Country with the largest percentage of Catholics | Poland (87%-95.2%) |
| Country with the smallest percentage of Catholics | North Macedonia (0.7%) |
| Average percentage of Catholics in Europe (2013) | 39.9% |
| Countries with significant or majority Catholic populations | Andorra, Austria, Belarus (western), Belgium, Bosnia and Herzegovina (central and southwestern part), Croatia, France, Germany, Hungary, Ireland, Italy, Latvia (the Latgale region), Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Portugal, San Marino, Slovakia, Slovenia, Spain, Switzerland (central and southern regions), Ukraine (western part) |
| Countries with large Catholic minorities | Albania (10–15%), Czech Republic, Serbia, Romania, United Kingdom (10%) |
| Most Catholic country in the world | Vatican City (100%) |
| Number of baptized Catholics in the world (2021) | 1.376 billion |
| Number of Catholics worldwide (2025) | 1.272 billion |
| Percentage of Catholics out of world Christians (2025) | 48.1% |
| Largest Christian group in Europe (2010) | Roman Catholics (48%) |
| Catholic Church | World's largest non-government provider of education and healthcare |
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What You'll Learn
- Poland has the highest percentage of Catholics in Europe
- Catholicism is the largest religious group in Europe
- The Catholic Church is headquartered in Rome's Vatican City
- Catholics in Central and Eastern Europe are more socially conservative
- Catholicism is the major religion in nearly every Latin American country

Poland has the highest percentage of Catholics in Europe
The Catholic Church, headquartered in Rome's Vatican City, remains closely tied to Europe. While the global Catholic population has shifted to regions like Latin America, Africa, and Asia, Europe continues to have a significant Catholic presence. As of 2010, Roman Catholics were the largest Christian group in Europe, comprising over 48% of European Christians.
Poland's high percentage of Catholics reflects a strong religious affiliation within the country. However, it is important to note that religious attendance and practice may vary among those who identify as Catholic. For example, while Poland has a significant Catholic population, less than a third of Polish Catholics attend religious services regularly, and only slightly more than 10% take communion.
Poland's Catholic heritage has influenced its culture and society. Catholicism has played a role in shaping the country's values, traditions, and history. Additionally, Poland's Catholic population has contributed to the presence of Catholic institutions, such as churches, schools, and charities, which provide education, healthcare, and social services to the community.
The country's Catholic majority also has implications for Poland's social and political landscape. Catholics in Central and Eastern European countries like Poland tend to be more socially conservative than those in Western Europe. For instance, they are more likely to oppose legal gay marriage and exhibit lower support for legal abortion compared to their Western European counterparts. These differences in social views can impact policy-making and shape the overall cultural environment in Poland.
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Catholicism is the largest religious group in Europe
The European countries with the largest Catholic populations are primarily located in Southern and Central Europe. For instance, over three-quarters of adults in Poland (87%), Italy (78%), and Portugal (77%) identify as Catholic, along with majorities in Spain (60%) and Hungary (56%). Ireland, with 72% of its population identifying as Catholic, and Lithuania, with 75%, are notable exceptions to this regional pattern.
Catholicism has a long and intricate history in Europe. The continent has been a pivotal centre of Christian culture since at least the 4th century when the Roman Emperor Constantine legalised Christianity. During the Early Middle Ages, most of Europe underwent Christianisation, and by the 15th century, this process was essentially complete with the Baltic Christianisation. The emergence of the notion of "Europe" or the "Western World" is deeply intertwined with the idea of "Christendom," especially as Christianity in the Middle East was marginalised by the rise of Islam from the 7th century.
While the share of global Catholics living in Europe has decreased over time, with Latin America now hosting the most significant number of Catholics worldwide, the Catholic Church continues to play a significant role in Europe. It is the world's oldest continuously functioning international institution and the largest non-governmental provider of education and healthcare globally. The Catholic Church's vast international network includes 5,000 hospitals, 10,000 orphanages, 95,000 elementary schools, and 47,000 secondary schools.
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The Catholic Church is headquartered in Rome's Vatican City
Vatican City is governed by the Holy See, which is the central governing body of the Catholic Church, and it is ruled by the Pope, who is the bishop of Rome and the head of the Catholic Church. The Holy See's authority extends over Catholics worldwide. The Pope's official title with regards to Vatican City is Sovereign of the State of the Vatican City. The Holy See dates to early Christianity and is the principal episcopal see of the Catholic Church.
The independent state of Vatican City was established in 1929 via the Lateran Treaty between the Holy See and the Kingdom of Italy. The treaty was signed on 11 February 1929, and it took effect on 7 June 1929. The treaty resolved a dispute that had been ongoing since the unification of Italy in the 19th century, which had resulted in the Church losing its land to the new country.
Vatican City has its own telephone system, post office, gardens, astronomical observatory, radio station, banking system, and pharmacy. It has no income tax and no restrictions on the import or export of funds. The economy of Vatican City is supported financially by donations from Catholic believers, the sale of postage stamps and souvenirs, fees for admission to museums, and sales of publications.
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Catholics in Central and Eastern Europe are more socially conservative
Poland has the highest percentage of Catholics in Europe, with sources citing figures of 87% and 95.2%. Other countries with significant or majority Catholic populations include Italy, Portugal, Spain, Hungary, Ireland, Lithuania, and Ukraine.
Catholics in Central and Eastern Europe are also less accepting of Muslims as family members compared to their Western European counterparts. For instance, while 69% of Spanish Catholics say they would accept a Muslim into their family, only 21% of Hungarian Catholics and 15% of Latvian Catholics say the same.
The higher levels of social conservatism among Catholics in Central and Eastern Europe may be influenced by the strong connection between religion and right-wing politics in the region. For example, Poland's PiS party leader and former Prime Minister, Jaroslaw Kaczyński, is a devout church-going Roman Catholic known for his socially conservative views on identity, gender, and sexuality. He has expressed frustration with what he perceives as the European Union's promotion of socially liberal ideas in countries where such ideas are not universally accepted, such as in Central and Eastern Europe.
Additionally, Catholicism has played a significant role in shaping Polish society and its resistance to domination by the Soviet Union. This unique historical context may further contribute to the social conservatism observed among Catholics in Central and Eastern Europe.
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Catholicism is the major religion in nearly every Latin American country
Historically, Catholic missions were often used as a tool to suppress Indigenous peoples, forcing the adoption of European customs, languages, and lifestyles. However, there were instances where Catholic missions stood against colonising forces, protecting people from enslavement and aiding them in achieving economic autonomy.
While Catholicism remains the predominant religion in Latin America, there has been a decline in identification with the religion. According to a 2014 Pew Research Center survey, 69% of adults across Latin America identified as Catholic, a decrease from the historical norm of 90% or more for most of the 20th century. This decline is evident in several countries, with notable decreases in Nicaragua, Uruguay, Brazil, and El Salvador.
Protestantism has been gaining ground, with Pentecostalist movements attracting many followers, particularly from the middle classes. Anglicanism also has a growing presence. In addition, a significant number of Latin Americans have rejected organised religion altogether, with 8% identifying as religiously unaffiliated, lower than the percentage of religiously unaffiliated U.S. Hispanics (18%).
Despite these shifts, Catholicism continues to play a significant role in Latin America, with the region now having a Latin American pope for the first time in the history of the Roman Catholic Church.
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Frequently asked questions
The country with the largest percentage of Catholics in Europe is Vatican City at 100%. Excluding Vatican City, Poland has the highest percentage of Catholics in Europe, with sources giving figures of 87% and 95.2%.
As of 2010, Roman Catholics were the largest Christian group in Europe, accounting for more than 48% of European Christians. In 2025, the figure for the number of Catholics worldwide was given as 1.272 billion, constituting 48.1% of all Christians.
Yes, several countries in Europe have a high percentage of Catholics. These include Italy (78%), Portugal (77%), Ireland (72%), Lithuania (75%), Spain (60%), and Hungary (56%).



















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