There is the Vatican of course, but that is about it. Catholicism is a religion and aside from the Vatican, no countries are based on religion as there form of governance, countries are based on other factors binding people, groups and societies together - they may share common beliefs, but that does not make a country.
Roman Catholic AnswerMany of the European countries were historically Roman Catholic, as in most of their citizens, and their rulers were Catholic. After the protestant revolt, in which many rulers chose to go with the protestants, that left the more southern countries still Catholic: France, Spain, Austria, Italy; most of which are still "culturally" Catholic to an extent, even today; although, the Muslims are making inroards. But, as the answer above points out, there have never been, save the Vatican, and countries that are based on Catholicism.It's just Catholic, not Roman Catholic. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is never used by the official Catholic Church. . The majority of people in all of the countries in South America are Catholic, obviously none are Roman Catholic. The overall percentage is around 70% Catholic.
The main religion in Spanish-speaking countries is Christianity, with the majority of the population being Roman Catholic.
Catholic Answer. Surely you mean Roman Catholic.
In 1500 and 1600 Roman Catholic was more dominant
The papal nuncios are the ambassadors of the pope to foreign countries.
Roman Catholic
They didn't convert they began as Catholic. In the middle ages all of Europe was Catholic and it has stayed that way in most countries.
Catholics call many countries around the world home. In Central America, there are over 75 percent of the countries that honor Roman Catholic Saints.
The religion of Malta is the Roman Catholic apostolic religion.
Brazil, Italy, Ireland, Philippines, etc... Traditionally Central and South American countries are Catholic. Also a lot of African countries too (Although there are a lot of Muslims in Africa as well).
The whole of Europe was Roman Catholic until the reformation in the mid to late 16th century.
In many societies in many countries, the Roman Catholic teaching on sex is ignored, at least in private.