Are people in Rome Catholic or Christian?

Answer 1

First of all Catholics are Christians; Catholicism is a part of Christianity, it's not a separate religion.

Now to answer your question: The majority of Christians in Rome are Catholics, however there are also minority communities of Anglican, Orthodox, and perhaps other Christians.

Answer 2

Catholic AnswerRome is a Catholic Christian city. Catholic and Christian mean exactly the same thing except in modern English where protestants have hijacked the word Christian to exclude Catholics, this is a mistake. Catholics have been the only Christians for 1,500 years until protestants came alone. Protestants are Christian insofar as they are validly baptized and believe in the Nicene creed in its traditional interpretation.

from A Catholic Dictionary, edited by Donald Attwater, Second edition, revised 1957

Christian

A name first given to the followers of our Lord at Antioch (Acts xi, 26). Since the rise of Protestantism the name has been used in so many different senses as to have become almost meaningless: it may indicate a Catholic or a Unitarian, or even be applied to an infidel who displays some virtue which is associated with Christ. It may reasonably be applied to the members of all the ancient churches, whether in communion with the Holy See, or not, and to those Protestants who profess, explicitly or implicitly, the Nicaean creed in its traditional interpretation. The Church puts no definite official meaning on the word, as she does on Catholic.

Christianity is the religion of, the body of faith and morals taught by, the Catholic Church of Christ. The word may be properly extended to include the religious systems of the dissident Eastern -churches and of some Protestant bodies. The current popular use of the word in an ethical, subjective sense, is to be deplored: it is stripping it of all objective or historical connotations.

Catholic I. The word is derived from Greek and simply means universal. In combination with the word "church" it essentially merely indicates one of the marks of the Church, and was so used by St. Ignatius at the beginning of the 2nd century; but in the course of history it has come to be the distinguishing epithet of the Church of Christ and his faith: under other circumstances its place might have been taken by "apostolic" or "one." The use of the word in this distinguishing way became current and common in England only from the middle of the 16th century. In some mediaeval translations of the Creed unam sanctam catholicam et apostolicam ecclesiam is rendered "one holy apostolic church general."