which title is used for the leader of the roman catholic church
Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with more than 1.299Â billion members worldwide.[4] As one of the oldest religious institutions in the world, it has played a prominent role in the history and development of Western civilisation.[5] The church is headed by the Bishop of Rome, who is 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, an enclave within Rome, Italy.