Roman Catholicism refers to the combined doctrines and practices of those following the Catholic Church (members in communion with the See of Rome). It forms the largest sect of Christendom, with more than 1.29 billion members worldwide.[1] The Catholic Church has played a prominent role in the history and development of Western civilisation.[2] Headed by the Bishop of Rome, known as the Pope, the church's doctrines are summarised in the Nicene Creed. Its central administration, the Holy See, is in the Vatican City, enclaved within Rome, Italy.
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- ↑ L'Annuario Pontificio 2017 e l' 'Annuarium Statisticum Ecclesiae' 2015.
- ↑ O'Collins, Gerald; Farrugia, Maria (2003). Catholicism: The Story of Catholic Christianity Oxford University Press. ISBN 978-0-19-925995-3, p. v (preface).