A change in popes — through death or resignation — is a complicated process, with centuries-old rituals involving the transition in leadership for both the spiritual head of the global Catholic Church and the Vatican’s head of state.

The papal conclave will be influenced by Pope Francis, whose picks to the College of Cardinals increased its geographic diversity.

Body to be transferred to St. Peter's Basilica in a ceremonial procession, where the public will be able to pay their respects.