Catholicism is one of the most popular religions in the world. Countries with the highest population of this religion are mostly found in Europe and America, but of course, our own country — The Philippines — is here also. Here are the top 10 countries with the highest Catholic population.


Monument to the two congresses

With a mainland area of 2,780,400 km2 (1,073,500 sq mi), Argentina is the eighth-largest country in the world, the second largest in Latin America, and the largest Spanish-speaking one. The Constitution guarantees freedom of religion. Although it enforces neither an official nor a state faith, it gives Roman Catholicism a differential status.

Total Population: 41,660,000

Catholic total: 29,820,000

% Catholic: 71%



Boat Harbor In Ciutadella In A Balearic Isl Spain HD Desktop Background

With an area of 505,990 km2 (195,360 sq mi), Spain is the largest country in Southern Europe, the second largest country in Western Europe and the European Union, and the fourth largest country in the European continent. Roman Catholicism has long been the main religion of Spain, and although it no longer has official status by law, in all public schools in Spain students have to choose either a religion or ethics class.

Total Population: 46,500,000

Catholic total: 32,364,000

% Catholic: 69.6%



The total area of Poland is 312,679 square kilometres (120,726 sq mi),[8] making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5 million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe and the sixth most populous member of the European Union. Famous sites of Roman Catholic pilgrimage in Poland include the Monastery of Jasna Góra in the southern Polish city of Częstochowa, Basilica of Our Lady of Licheń, Divine Mercy Sanctuary, Kraków.

Total Population: 38,496,000

Catholic total: 33,037,017

% Catholic: 85.8%



Aerial view of Champs ElysÈes. Paris. France

France spans 643,801 square kilometres (248,573 sq mi) and had a total population of almost 67 million people as of January 2017. It is a unitary semi-presidential republic with the capital in Paris, the country’s largest city and main cultural and commercial centre. Catholicism has been the predominant religion in France for more than a millennium, though it is not as actively practised today as it was. Among the 47,000 religious buildings in France, 94% are Roman Catholic.

Total Population: 66,600,000

Catholic total: 44,000,000

% Catholic: 66%



officially the Republic of Colombia is a transcontinental country largely situated in the northwest of South America, with territories in Central America. Colombia shares a border to the northwest with Panama, to the east with Venezuela and Brazil and to the south with Ecuador and Peru. The National Administrative Department of Statistics (DANE) does not collect religious statistics, and accurate reports are difficult to obtain. However, based on various studies and a survey, about 90% of the population adheres to Christianity, the majority of which (75.1%) are Roman Catholic.

Total Population: 48,000,000

Catholic total: 36,048,000

% Catholic: 75.1%



Italy shares open land borders with France, Switzerland, Austria, Slovenia, San Marino and Vatican City. Italy covers an area of 301,338 km2 (116,347 sq mi) and has a largely temperate seasonal and Mediterranean climate. Due to its shape, it is often referred to in Italy as lo Stivale (the Boot). With 61 million inhabitants, it is the fourth most populous EU member state. Roman Catholicism is, by far, the largest religion in the country, although Catholicism is no longer officially the state religion. In 2010, the proportion of Italians that identify themselves as Roman Catholic was 81.2%. Now, it’s at 83%.

Total Population: 60,800,000

Catholic total: 50,474,000

% Catholic: 83%


United States

At 3.8 million square miles (9.8 million km2) and with over 324 million people, the United States is the world’s third- or fourth-largest country by total area, third-largest by land area, and the third-most populous. It is one of the world’s most ethnically diverse and multicultural nations, and is home to the world’s largest immigrant population. The First Amendment of the U.S. Constitution guarantees the free exercise of religion and forbids Congress from passing laws respecting its establishment.

Total Population: 320,000,000

Catholic total: 66,560,000

% Catholic: 20.8%



The Philippines has an area of 300,000 square kilometers (115,831 sq mi), and a population of approximately 100 million. It is the eighth-most populated country in Asia and the 12th most populated country in the world. The Philippines is an officially secular state, although Christianity is the dominant faith. Census data from 2010 found that about 81.4% of the population professed Catholicism. Around 37% regularly attend Mass and 29% identify as very religious

Total Population: 100,000,000

Catholic total: 81,400,000

% Catholic: 81.4%



Mexico is the sixth largest country in the Americas by total area and the 13th largest independent nation in the world. With an estimated population of over 120 million, it is the eleventh most populous country and the most populous Spanish-speaking country in the world while being the second most populous country in Latin America. The 2010 census by the Instituto Nacional de Estadística y Geografía (National Institute of Statistics and Geography) gave Roman Catholicism as the main religion, with 81% of the population.

Total Population: 122,000,000

Catholic total: 98,820,000

% Catholic: 81%



Brazil is the largest country in both South America and Latin America. As the world’s fifth-largest country by both area and population, it is the largest country to have Portuguese as an official language and the only one in the Americas. Religion in Brazil formed from the meeting of the Catholic Church with the religious traditions of enslaved African peoples and indigenous peoples. This confluence of faiths during the Portuguese colonization of Brazil led to the development of a diverse array of syncretistic practices within the overarching umbrella of Brazilian Catholic Church, characterized by traditional Portuguese festivities, and in some instances, Allan Kardec’s Spiritism (a religion which incorporates elements of spiritualism and Christianity).

Total Population: 205,000,000

Catholic total: 125,000,000

% Catholic: 61%


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