Although I have consciously avoided much speculation about possible papabile, what goes on behind the scenes, or even who I prefer to be the new Pope (as I don’t think this is a political election in which the popularity of a given cardinal plays any part, and besides, it’s not up to me to decide who should be Pope – thank God!), there is some merit in thinking about the question that is the headline of this post: how long can we expect the conclave to take? At the very least it will be informative.
Of the conclaves held in the 20th and 21st centuries, the longest was the 1922 one, in which Pius XI was elected. His election took 14 ballots, or five days. The shortest was the next one, in 1939, electing Pius XII. This took only three ballots, or less than two full days. On average, a conclave in the specified period took roughly 7 ballots, which coincides with 4 or 5 days.
Oddly enough, the larger number of electors in the most recent conclaves, as compared to earlier conclaves, does not lengthen an election significantly. The conclaves of 2005 (115 electors choosing Benedict XVI) and the first of 1978 (111 electors; John Paul I) were among the shortest with 4 ballots each. The conclaves of 1914 (57 electors; Benedict XV) and 1922 (53 electors) needed 10 and 14 ballots respectively.
Generally, based on the numbers, we may expect the upcoming conclave to take between 4 and 6 ballots, as those were the numbers needed in the past four elections (with the exception of the second conclave of 1978, which elected Pope John Paul II – this had 8 ballots). With a starting date of 12 March, we may expect the “Habemus papam!” to resound across St. Peter’s Square and the world on 13, 14 or 15 March, or maybe the 16th or 17th (but this is, in my opinion, less likely).
But, as with all predictions regarding the elections of Popes, all this may turn out to be wrong. The conclave may be over within less than two days, or take a week or longer. In the end, there’s really no telling what will transpire.
Here is a little table with some information about the conclaves of the 20th and 21st centuries:
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31 July – 4 August 1903: 62 cardinals elected Giuseppe Melchiore Cardinal Sarto, the Patriarch of Venice, as Pope Pius X. The election took 7 ballots. This was the last conclave in which a veto was used.
- 31 August – 3 September 1914: 57 cardinals elected Giacomo Cardinal della Chiesa, the Archbishop of Bologna, as Pope Benedict XV. The election took 10 ballots.
- 2 – 6 February 1922: 53 cardinals elected Achille Cardinal Ratti, the Archbishop of Milan, as Pope Pius XI. The election took 14 ballots.
- 1 – 2 March 1939: 62 cardinals elected Eugenio Cardinal Pacelli, the Secretary of State, as Pope Pius XII. The elections took 3 ballots. It is said that the third ballot was on the request of Cardinal Pacelli, who had already won the majority vote after the second ballot, to confirm his election.
- 25 – 28 October 1958: 49 cardinals elected Angelo Cardinal Roncalli, the Patriarch of Venice, as Pope John XXIII. The election took 11 ballots.
- 19 – 21 June 1963: 80 cardinals elected Giovanni Battista Cardinal Montini, the Archbishop of Milan, as Pope Paul VI. The election took 6 ballots.
- 25 – 26 August 1978: 111 cardinals elected Albino Cardinal Luciani, Patriarch of Venice, as Pope John Paul I. The election took 5 ballots.
- 14 – 16 October 1978: 111 cardinals elected Karol Cardinal Wojtyla, Archbishop of Kraków, as Pope John Paul II. The election took 8 ballots. This was the first conclave in modern times in which a non-Italian was elected.
- 18 – 19 April 2005: 115 cardinals elected Joseph Cardinal Ratzinger, Prefect of the Congregation for the Doctrine of the Faith, as Pope Benedict XVI. The election took 4 ballots.