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Vatican Conclave Cardinal Pope Franci – How the 2025 Election Worked

Harry Arthur Morgan Howard • 2026-05-26 • Reviewed by Hanna Berg






Vatican Conclave 2025: How Cardinals Elect the Pope | Process & Updates


A papal conclave is the sealed process by which the College of Cardinals elects a new pope. In 2025, after the death of Pope Francis on 21 April, the conclave was held in the Sistine Chapel, where 133 cardinal electors gathered to choose his successor. The core rules are straightforward: only cardinals under 80 may vote, a two-thirds majority is required for election, and the result is signaled by black or white smoke rising from the chapel chimney.

The 2025 conclave opened on 7 May with a public Mass for the election of the Roman pontiff, followed by the cardinals processing into the Sistine Chapel. The doors were sealed, an oath of secrecy was taken, and the first ballots were cast. Voting concluded on 7–8 May, making it a brief conclave by historical standards.

The process is governed by two Vatican texts: a rule book and a prayer book. The electors swear to faithfully and scrupulously observe the rules, and the secrecy requirement is strict — no communication with the outside world is permitted. This article explains how the conclave worked, who participated, and what the milestones were.

What was the timing of the 2025 papal conclave?

What is it?

A conclave is the assembly of the College of Cardinals to elect a new pope, held in strict secrecy in the Sistine Chapel.

When did it happen?

The 2025 conclave began on 7 May after Pope Francis died on 21 April 2025, and concluded on 7–8 May with the election of his successor.

Who voted?

Cardinal electors under age 80 — 133 cardinals in 2025, with 89 votes needed for a two-thirds majority.

How was the result announced?

White smoke signaled a successful election; black smoke meant no decision had been reached.

Key insights about the 2025 conclave

  • Pope Francis appointed approximately 80% of the current cardinal electors, likely influencing the ideological direction of the conclave (source: BBC).
  • The longest conclave in the 20th century lasted 5 days (1914, electing Benedict XV); the shortest was one day in 1939.
  • Electors are forbidden from communication with the outside world — no phones, news, or internet — to maintain secrecy.
  • The conclave that elected Pope Francis in 2013 lasted 2 days (5 ballots).
  • Voting was held four times a day: two ballots in the morning and two in the afternoon.
  • After three days without an election, voting pauses for a day of prayer and discussion; after 21 votes, the process enters a final phase.

Snapshot facts about the conclave process

Fact Detail
Total cardinal electors (May 2025) 133 cardinals under age 80
Votes needed for election 89 (two-thirds majority)
Voting location Sistine Chapel, Vatican City
Voting method Secret ballot, two-thirds majority required (final phase after 21 votes narrows to top two candidates)
Signal of election White smoke from the chapel chimney
Signal of no election Black smoke from the chapel chimney
Duration of 2025 conclave 7–8 May 2025 (1 day of voting)
Duration of 2013 conclave 2 days (12–13 March 2013, 5 ballots)
Longest 20th-century conclave 5 days (1914, elected Benedict XV)
Daily voting frequency 4 ballots per day (2 morning, 2 afternoon)
Oath required Cardinals swear to faithfully observe the rules and maintain secrecy
Officers chosen by lot per session 3 scrutiners, 3 infirmarii, 3 revisers

How does the conclave voting process work?

The voting procedure is tightly controlled and follows a fixed sequence. Each cardinal writes one name on a paper ballot, folds it, and places it in the ballot receptacle. The ballots are then counted, checked, and burned. A second stove connected to the chimney is used to add chemicals that color the smoke black or white.

Who oversees the count?

In each voting session, nine cardinals are selected at random: three scrutiners to oversee the count, three infirmarii to collect votes from any sick cardinals, and three revisers to verify the tally. This system ensures transparency and accuracy in the voting process, as reported by Vatican News.

What happens if no one wins?

If a round does not produce a two-thirds majority, the ballots are burned with additives to create black smoke. This signals to the waiting public that no pope has been elected. Voting continues the same day with the next round.

What happens when someone wins?

Once a candidate reaches the required majority, he is asked whether he accepts his canonical election as pope. If he accepts, the ballots are burned to produce white smoke. The new pope then chooses his papal name and is announced from the balcony of St. Peter’s Basilica.

A note on the rules

After three days without an election, voting pauses for a day of prayer, informal discussion, and spiritual exhortation. After every seven additional rounds without success, another pause follows. After 21 votes, the cardinals move to a final phase in which they choose only between the two candidates with the most votes in the previous round, while still needing a two-thirds majority, according to Vatican News.

How long did the conclave that elected Pope Francis’ successor last?

The 2025 conclave was brief. Voting began on 7 May 2025 and concluded on 7–8 May 2025, according to sources including the USCCB and Wikipedia. This makes it one of the shorter conclaves in modern history.

Comparison with previous conclaves

The 2013 conclave that elected Pope Francis lasted two days (12–13 March 2013) and required five ballots. The 2005 conclave that elected Pope Benedict XVI lasted just over two days. By contrast, the longest conclave in the 20th century was in 1914, lasting five days before electing Benedict XV. The longest in history was the 1268–1271 conclave in Viterbo, which lasted nearly three years.

What determines the duration?

The duration depends on how quickly the cardinal electors reach consensus. Factors include the number of candidates, the ideological divisions among cardinals, and the clarity of the frontrunner. In 2025, with approximately 80% of electors appointed by Pope Francis, a quicker consensus may have been expected, according to BBC reporting.

What does the smoke signal during a conclave mean?

The smoke rising from the Sistine Chapel chimney is the primary public signal of the conclave’s progress. Black smoke indicates that no pope has been elected after a round of voting. White smoke announces that a new pope has been chosen.

How is the smoke produced?

The ballots from each round are burned in a stove. A second stove connected to the same chimney is used to add chemicals that produce the colored smoke. Vatican News notes that this system allows the world to follow the conclave’s status in real time.

A note on the signals

The smoke signal is not the only indicator. The bells of St. Peter’s Basilica are also rung when a pope is elected, providing an additional audio confirmation alongside the white smoke. This dual system helps avoid confusion among the public and media gathered in St. Peter’s Square.

What happens after white smoke?

Once white smoke is seen, the senior cardinal deacon announces “Habemus Papam” (We have a pope) from the central balcony of St. Peter’s Basilica. The new pope then appears to give his first blessing, the Urbi et Orbi, to the city and the world.

A note on uncertainty

While the smoke signal is well understood, delays or technical issues can sometimes cause confusion. In the past, there have been moments when the smoke appeared gray or ambiguous. The Vatican has improved the chemical formula over time to ensure clearer distinction between black and white, but some uncertainty can remain for brief periods.

What was the sequence of events in the 2025 conclave?

  1. 21 April 2025: Pope Francis died, triggering the sede vacante (vacant see) period.
  2. 22 April – 6 May 2025: The cardinals held general congregations and preparatory meetings in the Vatican.
  3. 7 May 2025: The conclave opened with a public Mass for the election of the Roman pontiff (Pro Eligendo Papam). The cardinals processed into the Sistine Chapel, the doors were sealed, and the first ballot was held.
  4. 7–8 May 2025: Voting continued with up to four ballots per day until a candidate reached the required two-thirds majority.
  5. 8 May 2025: White smoke signaled the election of a new pope. The new pope accepted, chose his papal name, and appeared on the balcony of St. Peter’s Basilica for the Urbi et Orbi blessing.

What is known and what remains uncertain about papal conclaves?

Established information Information that remains unclear
The process for electing a pope is fixed by apostolic constitution (Universi Dominici Gregis). When the next conclave will happen — it depends on the health or resignation of the reigning pope.
Cardinal electors are those under 80 at the time of the pope’s death or resignation. Who the leading candidates are — no official frontrunners are announced; many cardinals keep their preferences private.
The Sistine Chapel is the designated venue for the conclave. Whether the two-thirds majority rule will be modified — no indication of change has been reported.
The two-thirds majority requirement is fixed until the final phase after 21 votes. How long the next conclave might last — duration is unpredictable and depends on consensus among electors.
Electors are forbidden from using phones or communicating with the outside world. Whether any cardinals will abstain or be absent due to health or other reasons.

What were the dynamics behind the 2025 conclave?

The 2025 conclave took place against a backdrop of ideological divisions within the College of Cardinals. Pope Francis appointed approximately 80% of the cardinal electors, according to BBC reporting, a move that shifted the balance toward a more progressive, synodal vision of the Church. This likely influenced both the candidates considered and the speed of the decision.

Key issues facing the next pope include the ongoing synodality process, clerical abuse reform, the role of women in the Church, and geographic representation from the Global South. The cardinals from different continents bring diverse priorities, and these dynamics shape the discussions during the general congregations and the conclave itself.

The next pope will inherit a Church navigating internal tensions between progressive and conservative camps, as well as external challenges such as declining membership in parts of Europe and North America and growth in Africa and Asia.

What do sources say about the 2025 conclave?

Several authoritative sources covered the 2025 conclave. The Vatican and USCCB provided the most reliable procedural details, while news organizations offered analysis of the political dynamics.

“Pope Francis appointed about 80% of the cardinals who will select his successor.”

— BBC article, May 2025

“No phones, no news — only God and church politics as Catholic elders choose Francis’ successor.”

— NBC News article, May 2025

“The electors swear to faithfully and scrupulously observe the rules, and the secrecy requirement is strict.”

— Vatican News, May 2025

What is the significance of the 2025 conclave?

The 2025 conclave marked the election of Pope Francis’ successor, a pivotal moment for the Catholic Church. With Pope Francis having appointed the vast majority of electors, the outcome reflected his vision for the Church’s direction. The conclave itself was brief, but the decisions made within the Sistine Chapel will shape the Church’s path on issues ranging from synodality to global representation. For a deeper understanding of how the process works, see this explainer on the papal conclave.

Frequently asked questions about the papal conclave

Why is it called a conclave?

From Latin “cum clave” (with key), referring to the cardinals being locked in until a decision is made. The term reflects the sealed, secret nature of the election.

Can cardinals use phones during the conclave?

No, all electronic devices are banned to ensure secrecy. Non-compliance can lead to excommunication, according to Vatican rules.

What is the College of Cardinals?

The body of all cardinals of the Catholic Church, tasked with electing the pope and advising him on matters of Church governance.

How are cardinals appointed?

Appointed by the pope through a process called a consistory, often reflecting the pope’s priorities and the needs of the global Church.

How long does it take to elect a pope?

Historically ranges from one day to several years. Modern conclaves usually last a few days; the 2025 conclave took one day of voting.

What is the longest conclave in history?

The 1268–1271 conclave in Viterbo lasted nearly three years before electing Pope Gregory X. It remains the longest papal election in history.

Where is the conclave held?

The conclave is held in the Sistine Chapel at the Vatican. The cardinals gather there after processing from the Pauline Chapel.

What happens if a cardinal refuses to accept election?

If the elected candidate refuses, the cardinals continue voting. Acceptance is required for the election to be valid, and the white smoke signals that the candidate has accepted.

How is the smoke colored?

Chemicals are added to the burning ballots in a second stove connected to the chimney. The formula produces black smoke for no election and white smoke for a successful election.

What does “Habemus Papam” mean?

Latin for “We have a pope.” It is the announcement made by the senior cardinal deacon from the balcony of St. Peter’s Basilica after white smoke is seen.


Harry Arthur Morgan Howard

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Harry Arthur Morgan Howard

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