What Is a Conclave and Why It Happens
A conclave is the closed meeting of cardinal electors who gather in the Vatican to choose a new pope after a papal vacancy. The process follows rules set out in the Apostolic Constitution "Universi Dominici Gregis" and updated by later documents, with the latest practical guidance reflecting modern security and communication controls Vatican official site.
Only cardinals under the age of 80 on the day the vacancy begins are eligible to enter the conclave and vote. The maximum number of cardinal electors is capped at 120, a limit set by Pope John Paul II to keep the electorate manageable Vatican official site.
How the Voting Process Works in Detail
Cardinals cast secret ballots in the Sistine Chapel, with each vote read aloud and recorded by designated tellers. A two-thirds supermajority is required to elect a pope, and ballots are burned after each round, with black smoke indicating no result and white smoke signaling a successful election Vatican official site.
Daily Routine and Restrictions During the Conclave
During the conclave, cardinal electors follow a strict schedule of Mass, prayer, and voting sessions, with no contact with the outside world. Electronic devices are prohibited, and the chapel is swept for listening or recording equipment to protect secrecy Vatican official site.
Key Rules, Security Measures, and Recent Outcomes
The conclave is held in Vatican City, usually inside the Domus Sanctae Marthae or the Vatican Apostolic Palace, with access tightly controlled by Swiss Guards and Vatican security. Additional security protocols were strengthened in recent years, including restricted movement around the Vatican and enhanced screening for all participants Vatican official site.
The most recent conclave, which concluded in 2025, resulted in the election of a new pope after the previous pontiff's death, following the same two-thirds majority rule. The new pope is announced by the senior cardinal deacon from the central balcony of St. Peter's Basilica, and the white smoke signal confirms the outcome to the public Vatican official site.