| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 68.0 | Succeeded | Augustine Cui Tai | Bishop of Xuanhua [Süanhwa], China | Bishop Emeritus |
| 60.0 | Appointed | Vincent Guo Xijin | Auxiliary Bishop of Xiapu [Funing], China |
| 65.0 | Resigned | Maurice Monier | Pro-Dean of the Roman Rota | Pro-Dean Emeritus |
| 53.4 | Resigned | Kay Martin Schmalhausen Panizo | Member of Sodalicio de Vida Cristiana | Prelate Emeritus of Ayaviri, Peru |
| 94.0 | Died | Thomas Zhao Duomo (Zhao Kexun) † | Bishop of Xuanhua [Süanhwa], China |
| 1 Jan | 65.8 | Installed | Rodrigo Aguilar Martínez | Bishop of San Cristóbal de Las Casas, Chiapas, México |
| 3 Jan | 68.9 | Appointed | Francisco Canindé Palhano | Bishop of Petrolina, Pernambuco, Brazil | Bishop Emeritus |
| 63.1 | Appointed | Dermot Pius Farrell | Bishop of Ossory, Ireland | Archbishop of Dublin, Ireland |
| 56.2 | Appointed | Ginés Ramón García Beltrán | Bishop of Getafe, Spain |
| 84.6 | Died | Heriberto João Hermes, O.S.B. † | Prelate Emeritus of Cristalândia, Goias, Brazil |
| 75.3 | Retired | Joaquin Maria López de Andújar y Cánovas del Castillo | Bishop of Getafe, Spain | Bishop Emeritus |
| 89.0 | Died | Francis George Adeodatus Micallef, O.C.D. † | Vicar Apostolic Emeritus of Kuwait |
| 87.6 | Died | Serafino Sprovieri † | Archbishop Emeritus of Benevento, Italy |
| 4 Jan | 54.0 | Ordained Bishop | Michele Fusco | Bishop of Sulmona-Valva, Italy |
| 5 Jan | 68.1 | Died | Emanuel Barbara, O.F.M. Cap. † | Bishop of Malindi, Kenya |
| 84.9 | Died | Vincent Mojwok Nyiker † | Bishop Emeritus of Malakal, South Sudan |
| 6 Jan | 49.5 | Ordained Bishop | Vítor Agnaldo de Menezes | Bishop of Propriá, Sergipe, Brazil | Archbishop of Vitória da Conquista, Bahia, Brazil |
| 66.7 | Installed | Michel Christian Alain Aupetit | Archbishop of Paris, France | Archbishop Emeritus |
| 67.6 | Died | Remídio José Bohn † | Bishop of Cachoeira do Sul, Rio Grande do Sul, Brazil |
| 54.7 | Ordained Bishop | Paulo Celso Dias do Nascimento | Titular Bishop of Aguntum | Bishop of Itaguaí, Rio de Janeiro, Brazil |
| 56.0 | Installed | Max Leroy Mésidor | Archbishop of Port-au-Prince, Haïti |
| 7 Jan | 57.1 | Ordained Bishop | Andrzej Iwanecki | Titular Bishop of Arcavica | Auxiliary Bishop of Gliwice, Poland |
| 61.7 | Installed | Raphael Thattil | Bishop of Shamshabad (Syro-Malabar), India | Major Archbishop of Ernakulam-Angamaly (Syro-Malabar), India |
| 8 Jan | 66.7 | Appointed | Michel Christian Alain Aupetit | Ordinary of France, Faithful of Eastern Rites | Archbishop Emeritus of Paris, France |
| 75.1 | Resigned | André Armand Vingt-Trois † | Ordinary of France, Faithful of Eastern Rites | Cardinal, Archbishop Emeritus of Paris, France |
| 9 Jan | 50.0 | Ordained Bishop | Rex Cullingham Ramirez | Bishop of Naval, Philippines |
| 12 Jan | 75.3 | Retired | Mathew Anikuzhikattil † | Bishop of Idukki (Syro-Malabar), India | Bishop Emeritus |
| 59.5 | Appointed | James Athikalam, M.S.T. | Bishop of Sagar (Syro-Malabar), India |
| 76.4 | Retired | Anthony Chirayath | Bishop of Sagar (Syro-Malabar), India | Bishop Emeritus |
| 55.5 | Installed | Barry Christopher Knestout | Bishop of Richmond, Virginia, USA |
| 44.8 | Appointed | John Nellikunnel | Bishop of Idukki (Syro-Malabar), India |
| 50.0 | Installed | Rex Cullingham Ramirez | Bishop of Naval, Philippines |
| 13 Jan | 51.7 | Ordained Bishop | Jean-Patrick Iba-Ba | Bishop of Franceville, Gabon | Archbishop of Libreville, Gabon |
| 64.6 | Ordained Bishop | Daniele Libanori, S.J. | Titular Bishop of Buruni | Official of the Roman Curia - Other |
| 52.9 | Ordained Bishop | Jailton de Oliveira Lino, P.S.D.P. | Bishop of Teixeira de Freitas-Caravelas, Bahia, Brazil | Bishop of Itabuna, Bahia, Brazil |
| 76.6 | Ceased | Basile Mvé Engone, S.D.B. | Apostolic Administrator of Franceville, Gabon | Archbishop Emeritus of Libreville, Gabon |
| 49.8 | Ordained Bishop | Paolo Ricciardi | Titular Bishop of Gabii | Bishop of Jesi, Italy |
| 70.4 | Installed | David Albin Zywiec Sidor, O.F.M. Cap. † | Bishop of Siuna, Nicaragua |
| 14 Jan | 56.3 | Ordained Bishop | Leonardo D’Ascenzo | Archbishop of Trani-Barletta-Bisceglie (-Nazareth), Italy |
| 16 Jan | 78.0 | Died | Eugeniusz Juretzko, O.M.I. † | Bishop Emeritus of Yokadouma, Cameroon |
| 67.2 | Died | Geevarghese Divannasios Ottathengil † | Bishop Emeritus of Puthur (Syro-Malankara), India |
| 18 Jan | 86.7 | Died | Joseph Wang Yu-jung † | Bishop Emeritus of Taichung, Taiwan |
| 19 Jan | 91.2 | Died | Maurice Couture, R.S.V. † | Archbishop Emeritus of Québec, Canada |
| 75.2 | Retired | Pier Giorgio Micchiardi | Bishop of Acqui, Italy | Bishop Emeritus |
| 73.3 | Died | Célio de Oliveira Goulart, O.F.M. † | Bishop of São João del Rei, Minas Gerais, Brazil |
| 61.5 | Appointed | Carlo Roberto Maria Redaelli | Apostolic Administrator of Acqui, Italy | Archbishop of Gorizia, Italy |
| 65.7 | Appointed | Luigi Testore | Bishop of Acqui, Italy |
| 20 Jan | 62.9 | Installed | Romuald Kamiński | Bishop of Warszawa-Praga, Poland |
| 62.3 | Installed | Lorenzo Leuzzi | Bishop of Teramo-Atri, Italy |
| 76.9 | Died | Sylvester Carmel Magro, O.F.M. † | Vicar Apostolic Emeritus of Benghazi, Libya |
| 74.1 | Installed | Pablo Ervin Schmitz Simon, O.F.M. Cap. | Bishop of Bluefields, Nicaragua | Bishop Emeritus |
| 21 Jan | 71.7 | Installed | Juan José Omella Omella | Cardinal-Priest of Santa Croce in Gerusalemme | Cardinal, Archbishop of Barcelona, Spain |
| 23 Jan | 76.0 | Retired | Stephen Edward Blaire † | Bishop of Stockton, California, USA | Bishop Emeritus |
| 64.1 | Appointed | Livio Corazza | Bishop of Forli-Bertinoro, Italy |
| 64.8 | Appointed | Myron Joseph Cotta | Bishop of Stockton, California, USA |
| 75.3 | Retired | Lino Pizzi | Bishop of Forli-Bertinoro, Italy | Bishop Emeritus |
| 51.6 | Appointed | Zdenek Wasserbauer | Auxiliary Bishop of Praha {Prague}, Czechia |
| 51.6 | Appointed | Zdenek Wasserbauer | Titular Bishop of Buthrotum | Auxiliary Bishop of Praha {Prague}, Czechia |
| 25 Jan | 44.3 | Ordained Bishop | Daniel Francisco Blanco Méndez | Titular Bishop of Pulcheriopolis | Auxiliary Bishop of San José de Costa Rica |
| 79.7 | Died | Daniel Mark (Marcus George) Buechlein, O.S.B. † | Archbishop Emeritus of Indianapolis, Indiana, USA |
| 26 Jan | 92.6 | Died | José Gabriel Diaz Cueva † | Bishop Emeritus of Azogues, Ecuador |
| 27 Jan | 56.4 | Installed | Leonardo D’Ascenzo | Archbishop of Trani-Barletta-Bisceglie (-Nazareth), Italy |
| 28 Jan | 92.4 | Died | Antônio Agostinho Marochi † | Bishop Emeritus of Presidente Prudente, Sao Paulo, Brazil |
| 91.9 | Died | Maxwell Valentine Noronha † | Bishop Emeritus of Calicut, India |
| 54.0 | Installed | Antônio Tourinho Neto | Bishop of Cruz das Almas, Bahia, Brazil |
| 29 Jan | 56.9 | Appointed | Athanasius Rethna Swamy Swamiadian | Bishop of Ahmedabad, India |
| 30 Jan | 54.2 | Appointed | Alick Banda | Archbishop of Lusaka, Zambia |
| 54.2 | Appointed | Alick Banda | Apostolic Administrator of Ndola, Zambia | Archbishop of Lusaka, Zambia |
| 70.6 | Resigned | Telesphore George Mpundu | Archbishop of Lusaka, Zambia | Archbishop Emeritus |