who are the other members of this church?
Ordained clergy, bishops,  priests, non-ordained ministers, lay missionaries, lay ecclesial ministers.
Catholic Church
Catholic ministers include ordained clergy, lay ecclesial ministers, missionaries, and catechists. Also as of the end of 2014, there were 465,595 ordained clergy, including 5,237 bishops, 415,792 priests (diocesan and religious), and 44,566 deacons (permanent). Non-ordained ministers included 3,157,568 catechists, 367,679 lay missionaries, and 39,951 lay ecclesial ministers.
what was the structure of the roman catholic church based on UNANSWERABLE who is the head of this church? Pope do they have a holy city? Yes, Vatican City in which country is this in? Italy what authority does the head of the church have? Papacy, the jurisdiction of the episcopal see what is his real name? The current pope is Francis, who was elected on 13 March 2013, succeeding Benedict XVI.
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Catholic Church [SEP] Membership
Catholicism is the second largest religious body in the world, surpassed in size only by Sunni Islam. Church membership, defined as baptised Catholics, was 1.329 billion at the end of 2018, which is 18% of the world population. Catholics represent about half of all Christians. Geographic distribution of Catholics worldwide continues to shift, with 17.8% in Africa, 48.3% in the Americas, 11.1% Asia, 21.5% in Europe, and 0.9% in Oceania. Catholic ministers include ordained clergy, lay ecclesial ministers, missionaries, and catechists. Also as of the end of 2014, there were 465,595 ordained clergy, including 5,237 bishops, 415,792 priests (diocesan and religious), and 44,566 deacons (permanent).