| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 80.4 | Retired | Georges Kahhalé Zouhaïraty, B.A. | Apostolic Exarch of Venezuela (Melkite Greek) | Apostolic Exarch Emeritus |
| 59.7 | Ceased | Georges Salim Khawam, S.M.S.P. | Superior General of Società dei Missionari di San Paolo (Melkite Greek) | Archbishop of Lattaquié {Laodicea} (Melkite Greek), Syria |
| 65.6 | Appointed | Michel Joseph Mulloy | Administrator of Rapid City, South Dakota, USA | Priest |
| 52.9 | Appointed | Visuvasam Selvaraj | Administrator of Port Blair, India | Bishop |
| 63.5 | Appointed | Siphiwo Devilliers Paul Vanqa, S.A.C. | Administrator of Queenstown, South Africa | Bishop |
| 2 Jan | 48.4 | Appointed | Rex Andrew Clement Alarcon | Bishop of Daet, Philippines | Archbishop of Caceres (Nueva Caceres), Philippines |
| 60.6 | Appointed | John Bonaventure Kwofie, C.S.Sp. | Archbishop of Accra, Ghana |
| 69.9 | Appointed | Prakash Mallavarapu | Apostolic Administrator of Srikakulam, India | Archbishop Emeritus of Visakhapatnam, India |
| 85.8 | Died | Salvador Martínez Pérez † | Bishop Emeritus of Huejutla, Hidalgo, México |
| 3 Jan | 54.9 | Appointed | Stephen Ameyu Martin Mulla | Bishop of Torit, South Sudan | Cardinal, Archbishop of Juba, South Sudan |
| 50.7 | Appointed | Jorge Ignacio García Cuerva | Bishop of Río Gallegos, Argentina | Archbishop of Buenos Aires, Argentina |
| 72.0 | Died | Michael Yeung Ming-cheung † | Bishop of Hong Kong [Xianggang], China |
| 5 Jan | 70.5 | Installed | Dario Campos, O.F.M. | Archbishop of Vitória, Espirito Santo, Brazil | Archbishop Emeritus |
| 92.6 | Died | Sergio Otoniel Contreras Navia † | Bishop Emeritus of Temuco, Chile |
| 54.6 | Ordained Bishop | Janusz Edward Mastalski | Titular Bishop of Noba | Auxiliary Bishop of Kraków {Cracow}, Poland |
| 49.9 | Ordained Bishop | Timoteo Solórzano Rojas, M.S.C. | Titular Bishop of Dumium | Bishop of Tarma, Peru |
| 79.4 | Appointed | John Tong Hon | Apostolic Administrator of Hong Kong [Xianggang], China | Cardinal, Bishop Emeritus |
| 6 Jan | 74.4 | Retired | Aleixo das Neves Dias, S.F.X. | Bishop of Port Blair, India | Bishop Emeritus |
| 80.4 | Died | Emiliano Fabbricatore, O.S.B.I. † | Abbot Emeritus of Santa Maria di Grottaferrata (Italo-Albanese), Italy |
| 7 Jan | 49.8 | Appointed | Marvyn Abrea Maceda | Bishop of San Jose de Antique, Philippines |
| 8 Jan | 86.0 | Died | José Belvino do Nascimento † | Bishop Emeritus of Divinópolis, Minas Gerais, Brazil |
| 92.3 | Died | Armando Bortolaso, S.D.B. † | Vicar Apostolic Emeritus of Alep [Beroea, Halab], Syria |
| 51.9 | Appointed | Jean-Pierre Vuillemin | Auxiliary Bishop of Metz, France | Bishop of Le Mans, France |
| 51.9 | Appointed | Jean-Pierre Vuillemin | Titular Bishop of Thérouanne | Bishop of Le Mans, France |
| 88.8 | Died | Giorgio Zur † | Apostolic Nuncio |
| 9 Jan | 95.3 | Died | Joseph Lawson Howze † | Bishop Emeritus of Biloxi, Mississippi, USA |
| 55.9 | Appointed | Walter Jorge Pinto | Bishop of União da Vitória, Parana, Brazil |
| 10 Jan | 58.5 | Installed | Carlos Briseño Arch, O.A.R. | Bishop of Veracruz, México |
| 11 Jan | 84.1 | Died | Rafael Arcadio Bernal Supelano, C.Ss.R. † | Bishop Emeritus of Líbano-Honda, Colombia |
| 84.3 | Died | Charles Soreng, S.J. † | Bishop Emeritus of Hazaribag, India |
| 12 Jan | 62.6 | Installed | Philip Arnold Subira Anyolo | Archbishop of Kisumu, Kenya | Archbishop of Nairobi, Kenya |
| 55.6 | Appointed | Nuno Brás da Silva Martins | Bishop of Funchal, Portugal |
| 77.1 | Died | Christian Conrad Blouin, C.M.M. † | Bishop Emeritus of Lae, Papua New Guinea |
| 76.7 | Retired | António José Cavaco Carrilho | Bishop of Funchal, Portugal | Bishop Emeritus |
| 61.0 | Ordained Bishop | Franco Moscone, C.R.S. | Archbishop of Manfredonia-Vieste-San Giovanni Rotondo, Italy |
| 13 Jan | 97.7 | Died | Roberto Reinaldo Cáceres González † | Bishop Emeritus of Melo, Uruguay |
| 60.8 | Appointed | Hency Martínez Vargas | Bishop of La Dorada-Guaduas, Colombia |
| 76.3 | Retired | Oscar Aníbal Salazar Gómez | Bishop of La Dorada-Guaduas, Colombia | Bishop Emeritus |
| 14 Jan | 82.3 | Died | Gonzalo Ramiro del Castillo Crespo, O.C.D. † | Bishop Emeritus of Bolivia, Military |
| 68.2 | Appointed | Enrico dal Covolo, S.D.B. | Assessor of the Pontifical Committee for Historical Sciences | Assessor Emeritus |
| 16 Jan | 61.1 | Resigned | Cecilio Raúl Berzosa Martínez | Bishop of Ciudad Rodrigo, Spain | Bishop Emeritus |
| 76.6 | Appointed | Jesús García Burillo | Apostolic Administrator of Ciudad Rodrigo, Spain | Bishop Emeritus of Ávila, Spain |
| 78.5 | Resigned | Francisco Gil Hellín | Apostolic Administrator of Ciudad Rodrigo, Spain | Archbishop Emeritus of Burgos, Spain |
| 17 Jan | 54.5 | Appointed | Francis Obafemi Adesina | Bishop of Ijebu-Ode, Nigeria |
| 76.3 | Retired | Yvon Ambroise | Bishop of Tuticorin, India | Bishop Emeritus |
| 58.6 | Appointed | Benoît Bertrand | Bishop of Mende, France | Bishop of Pontoise, France |
| 79.5 | Retired | Albert Ayinde Fasina † | Bishop of Ijebu-Ode, Nigeria | Bishop Emeritus |
| 66.5 | Appointed | Stephen Antony Pillai | Bishop of Tuticorin, India |
| 18 Jan | 45.2 | Ordained Bishop | Robert Saeed Jarjis | Titular Bishop of Arsamosata | Bishop of Mar Addai of Toronto (Chaldean), Canada |
| 63.3 | Ordained Bishop | Najib Mikhael Moussa, O.P. | Archbishop of Mossul-Aqrā (Akra) (Chaldean), Iraq |
| 19 Jan | 75.5 | Retired | Benvenuto Italo Castellani | Archbishop of Lucca, Italy | Archbishop Emeritus |
| 50.4 | Ordained Bishop | Christophe Zakhia El-Kassis | Titular Archbishop of Rusellae | Apostolic Nuncio to United Arab Emirates |
| 55.0 | Appointed | Paolo Giulietti | Archbishop of Lucca, Italy |
| 74.7 | Ceased | Luis Francisco Ladaria Ferrer, S.J. | President of the Pontifical Commission “Ecclesia Dei” | Cardinal, Prefect Emeritus of the Dicastery for the Doctrine of the Faith |
| 67.0 | Ceased | Guido Pozzo | Secretary of the Pontifical Commission “Ecclesia Dei” | Secretary Emeritus of the Congregation for the Doctrine of the Faith |
| 20 Jan | 70.6 | Installed | Giovanni Angelo Becciu | Cardinal-Deacon of San Lino | Cardinal, Prefect Emeritus of the Congregation for the Causes of Saints |
| 46.9 | Ordained Bishop | Bruno Paul Marie Valentin | Titular Bishop of Vaison | Bishop of Carcassonne et Narbonne, France |
| 22 Jan | 58.6 | Appointed | Joseph Lawrence Coffey | Auxiliary Bishop of United States of America, Military |
| 58.6 | Appointed | Joseph Lawrence Coffey | Titular Bishop of Arsacal | Auxiliary Bishop of United States of America, Military |
| 52.0 | Confirmed | Joseph Huang Bingzhang | Bishop of Shantou [Swatow], China |
| 61.5 | Appointed | William James Muhm | Auxiliary Bishop of United States of America, Military |
| 61.5 | Appointed | William James Muhm | Titular Bishop of Capsus | Auxiliary Bishop of United States of America, Military |
| 83.5 | Died | John Mortimer Fourette Smith † | Bishop Emeritus of Trenton, New Jersey, USA |
| 88.0 | Retired | Peter Zhuang Jianjian | Bishop of Shantou [Swatow], China | Bishop Emeritus |
| 23 Jan | 57.3 | Appointed | José Benedito Cardoso | Auxiliary Bishop of São Paulo, Brazil | Bishop of Catanduva, Sao Paulo, Brazil |
| 57.3 | Appointed | José Benedito Cardoso | Titular Bishop of Castellum Minus | Bishop of Catanduva, Sao Paulo, Brazil |
| 24 Jan | 89.1 | Died | Fernando Sebastián Aguilar, C.M.F. † | Cardinal, Archbishop Emeritus of Pamplona y Tudela, Spain |
| 25 Jan | 84.2 | Died | Jacques Berthelet, C.S.V. † | Bishop Emeritus of Saint-Jean-Longueuil, Québec, Canada |
| 68.9 | Appointed | Carlos Gustavo Castillo Mattasoglio | Cardinal, Archbishop of Lima, Peru |
| 75.0 | Retired | Juan Luis Cipriani Thorne | Archbishop of Lima, Peru | Cardinal, Archbishop Emeritus |
| 66.1 | Appointed | José Antonio Fernández Hurtado | Archbishop of Tlalnepantla, México, México |
| 63.3 | Installed | Najib Mikhael Moussa, O.P. | Archbishop of Mossul-Aqrā (Akra) (Chaldean), Iraq |
| 91.4 | Died | Vigilio Mario Olmi † | Auxiliary Bishop Emeritus of Brescia, Italy |
| 91.3 | Died | Boniface Tshosa Setlalekgosi † | Bishop Emeritus of Gaborone, Botswana |
| 84.5 | Died | Jaume Traserra Cunillera † | Bishop Emeritus of Solsona, Spain |
| 26 Jan | 54.4 | Appointed | Henry Aruna | Bishop of Kenema, Sierra Leone |
| 80.6 | Installed | Aquilino Bocos Merino, C.M.F. | Cardinal-Deacon of Santa Lucia del Gonfalone | Cardinal, Superior General Emeritus of Missionary Sons of the Immaculate Heart of Mary |
| 75.0 | Retired | Laurent Chu Văn Minh † | Auxiliary Bishop of Hà Nội, Viet Nam | Auxiliary Bishop Emeritus |
| 61.1 | Installed | Franco Moscone, C.R.S. | Archbishop of Manfredonia-Vieste-San Giovanni Rotondo, Italy |
| 53.0 | Ceased | Luigi Renna | Apostolic Administrator of Manfredonia-Vieste-San Giovanni Rotondo, Italy | Archbishop of Catania, Italy |
| 29 Jan | 53.6 | Appointed | Ángel Francisco Caraballo Fermín | Bishop of Cabimas, Venezuela | Archbishop of Cumaná, Venezuela |
| 58.4 | Installed | Daniel Elias Garcia | Bishop of Monterey in California, USA | Bishop of Austin, Texas, USA |
| 62.4 | Installed | Peter Joseph Hundt | Archbishop of Saint John’s, Newfoundland, Canada |
| 79.2 | Ceased | Gerald Eugene Wilkerson | Apostolic Administrator of Monterey in California, USA | Auxiliary Bishop Emeritus of Los Angeles, California, USA |
| 30 Jan | 64.0 | Installed | Peter Jin Lugang | Coadjutor Bishop of Nanyang [Nanyang], China | Bishop |
| 60.6 | Installed | Romeo Sombilon Saniel, O.M.I. | Apostolic Administrator of Jolo, Philippines | Apostolic Administrator Emeritus |
| 31 Jan | 56.6 | Appointed | Robert John Brennan | Bishop of Columbus, Ohio, USA | Bishop of Brooklyn, New York, USA |
| 75.4 | Retired | Frederick Francis Campbell | Bishop of Columbus, Ohio, USA | Bishop Emeritus |
| 68.9 | Installed | Angelito Rendon Lampon, O.M.I. | Archbishop of Cotabato, Philippines | Archbishop Emeritus |