| Date | Age | Event | Bishop | Title | Current Title |
| 22 May 2025 | 72.9 | Installed | Vicente Bokalic Iglic, C.M. | Cardinal-Priest of Santa Maria Maddalena in Campo Marzio | Cardinal, Archbishop of Santiago del Estero, Argentina |
| 23 May 2025 | 61.9 | Installed | Dominique Joseph Mathieu, O.F.M. Conv. | Cardinal-Priest of Santa Giovanna Antida Thouret | Cardinal, Archbishop of Teheran-Ispahan, Iran |
| 24 May 2025 | 68.7 | Installed | Ladislav Nemet, S.V.D. | Cardinal-Priest of Santa Maria Stella Maris | Cardinal, Archbishop of Beograd (-Smederevo), Serbia |
| 67.9 | Appointed | Luis Antonio Gokim Tagle | Cardinal-Bishop of Albano | Cardinal, Pro-Prefect of the Dicastery for Evangelization |
| 13 Jun 2025 | 51.8 | Installed | George Jacob Koovakad | Cardinal-Deacon of Sant’Antonio di Padova a Circonvallazione Appia | Cardinal, Prefect of the Dicastery for Interreligious Dialogue |
| 14 Jun 2025 | 63.8 | Installed | Ignace Bessi Dogbo | Cardinal-Priest of Santi Mario e Compagni Martiri | Cardinal, Archbishop of Abidjan, Côte d’Ivoire |
| 22 Jun 2025 | 45.3 | Installed | Mykola Bychok, C.Ss.R. | Cardinal-Priest of Santa Sofia a Via Boccea | Cardinal, Bishop of Saints Peter and Paul of Melbourne (Ukrainian), Australia |
| 30 Jun 2025 | 98.2 | Died | Luis Pascual Dri, O.F.M. Cap. † | Cardinal, Priest of Order of Friars Minor Capuchin |
| 4 Jul 2025 | 53.4 | Succeeded | Rolandas Makrickas | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 80.0 | Retired | Stanisław Marian Ryłko | Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} | Cardinal, Archpriest Emeritus |
| 5 Jul 2025 | 81.0 | Retired | Seán Patrick O’Malley, O.F.M. Cap. | President of the Pontifical Commission for the Protection of Minors | Cardinal, Archbishop Emeritus of Boston, Massachusetts, USA |
| 18 Jul 2025 | 82.6 | Died | André Armand Vingt-Trois † | Cardinal, Archbishop Emeritus of Paris, France |
| 8 Aug 2025 | 99.5 | Died | Estanislao Esteban Karlic † | Cardinal, Archbishop Emeritus of Paraná, Argentina |
| 10 Aug 2025 | 71.1 | Ceased | Désiré Tsarahazana | Apostolic Administrator of Fenoarivo Atsinanana, Madagascar | Cardinal, Archbishop of Toamasina, Madagascar |
| 25 Sep 2025 | 94.3 | Died | Lucian Mureşan † | Cardinal, Major Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 2 Oct 2025 | 100.0 | Installed | Angelo Acerbi | Cardinal-Deacon of Santi Angeli Custodi a Cittŕ Giardino | Cardinal, Apostolic Nuncio |
| 5 Oct 2025 | 62.7 | Installed | Domenico Battaglia | Cardinal-Priest of San Marco in Agro Laurentino | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 9 Oct 2025 | 66.9 | Installed | Tarcisio Isao Kikuchi, S.V.D. | Cardinal-Priest of San Giovanni Leonardi | Cardinal, Archbishop of Tōkyō, Japan |
| 11 Oct 2025 | 68.3 | Installed | Luis Antonio Gokim Tagle | Cardinal-Bishop of Albano | Cardinal, Pro-Prefect of the Dicastery for Evangelization |
| 18 Oct 2025 | 70.0 | Installed | Luis Gerardo Cabrera Herrera, O.F.M. | Cardinal-Priest of Sacra Famiglia di Nazareth a Centocelle | Cardinal, Archbishop of Guayaquil, Ecuador |
| 68.6 | Installed | Fernando Natalio Chomalí Garib | Cardinal-Priest of San Mauro Abate | Cardinal, Archbishop of Santiago de Chile |
| 19 Oct 2025 | 66.6 | Installed | Pablo Virgilio Siongco David | Cardinal-Priest of Trasfigurazione di Nostro Signore Gesů Cristo | Cardinal, Bishop of Kalookan, Philippines |
| 20 Oct 2025 | 86.0 | Died | Edoardo Menichelli † | Cardinal, Archbishop Emeritus of Ancona-Osimo, Italy |
| 4 Nov 2025 | 82.5 | Died | Dominik Jaroslav Václav Duka, O.P. † | Cardinal, Archbishop Emeritus of Praha {Prague}, Czechia |
| 15 Nov 2025 | 54.3 | Installed | Frank Leo | Cardinal-Priest of Santa Maria della Salute a Primavalle | Cardinal, Archbishop of Toronto, Ontario, Canada |
| 16 Nov 2025 | 79.4 | Ceased | Francesco Montenegro | Apostolic Administrator of Piana degli Albanesi (Italo-Albanese), Italy | Cardinal, Archbishop Emeritus of Agrigento, Italy |
| 54.9 | Installed | Baldassare Reina | Cardinal-Priest of Santa Maria Assunta e San Giuseppe a Primavalle | Cardinal, Vicar General of Roma {Rome}, Italy |
| 26 Nov 2025 | 61.7 | Appointed | Grzegorz Wojciech Ryś | Cardinal, Archbishop of Kraków {Cracow}, Poland |
| 30 Nov 2025 | 80.2 | Installed | Timothy Peter Joseph Radcliffe, O.P. | Cardinal, Cardinal-Deacon of Santissimi Nomi di Gesů e Maria in Via Lata |
| 18 Dec 2025 | 75.8 | Retired | Timothy Michael Dolan | Archbishop of New York, New York, USA | Cardinal, Archbishop Emeritus |
| 19 Dec 2025 | 80.1 | Retired | Vincent Gerard Nichols | Archbishop of Westminster, England, Great Britain | Cardinal, Archbishop Emeritus |
| 20 Dec 2025 | 61.8 | Installed | Grzegorz Wojciech Ryś | Cardinal, Archbishop of Kraków {Cracow}, Poland |
| 19 Jan 2026 | 63.6 | Resigned | Paskalis Bruno Syukur, O.F.M. | Bishop of Bogor, Indonesia | Bishop Emeritus |
| 2 Feb 2026 | 80.0 | Retired | Mario Zenari | Apostolic Nuncio to Syria | Cardinal, Apostolic Nuncio |
| 13 Feb 2026 | 76.7 | Appointed | Daniel Nicholas DiNardo | Apostolic Administrator of Amarillo, Texas, USA | Cardinal, Archbishop Emeritus of Galveston-Houston, Texas, USA |
| 16 Feb 2026 | 76.2 | Retired | Arlindo Gomes Furtado | Bishop of Santiago de Cabo Verde | Cardinal, Bishop Emeritus |
| 19 Feb 2026 | 81.5 | Died | Polycarp Pengo † | Cardinal, Archbishop Emeritus of Dar-es-Salaam, Tanzania |
| 21 Feb 2026 | 78.1 | Ceased | Marcello Semeraro | Apostolic Administrator of Santa Maria di Grottaferrata (Italo-Albanese), Italy | Cardinal, Prefect of the Dicastery for the Causes of Saints |
| 2 Mar 2026 | 76.4 | Appointed | Odilo Pedro Scherer | Apostolic Administrator of Latin America and Mexico {America Latina e Messico} (Armenian) | Cardinal, Archbishop of Săo Paulo, Brazil |
| 66.6 | Appointed | Daniel Fernando Sturla Berhouet, S.D.B. | Apostolic Administrator of Latin America and Mexico {America Latina e Messico} (Armenian) | Cardinal, Archbishop of Montevideo, Uruguay |
| 7 Mar 2026 | 80.1 | Retired | Christophe Louis Yves Georges Pierre | Apostolic Nuncio to United States of America | Cardinal, Apostolic Nuncio |
| 14 Mar 2026 | 69.4 | Ceased | Stephen Brislin | Apostolic Administrator of Cape Town {Kaapstad}, South Africa | Cardinal, Archbishop of Johannesburg, South Africa |