| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 53.2 | Resigned | Oliver Pugoy Aro, M.S.P. | Superior of Tokelau, Pacific (Oceania) | Superior Emeritus |
| 40.0 | Perpetual Vows | Clément Hérizo Rakotoasimbola, M.S. | Member of Missionaries of Our Lady of La Salette | Bishop of Maintirano, Madagascar |
| 45.0 | Appointed | John Lei Jiapei | Administrator of Xichang [Ningyüan], China | Bishop |
| 72.8 | Retired | Antonio Lucibello | Apostolic Nuncio to Turkey | Apostolic Nuncio |
| 72.8 | Retired | Antonio Lucibello | Apostolic Nuncio to Turkmenistan | Apostolic Nuncio |
| 46.1 | Ceased | Kévork Noradounguian, I.C.P.B. | Apostolic Administrator of Jerusalem and Amman {Gerusalemme e Amman} (Armenian), Palestine | Ordinary of Eastern Europe {Europa Orientale} (Armenian) |
| 63.7 | Resigned | Julio César Salcedo Aquino, M.J. | Superior General of Missionari di S. Giuseppe nel Messico | Bishop of Tlaxcala, México |
| 73.5 | Retired | Thomas Yeh Sheng-nan | Apostolic Nuncio to Algeria | Apostolic Nuncio |
| 73.5 | Retired | Thomas Yeh Sheng-nan | Apostolic Nuncio to Tunisia | Apostolic Nuncio |
| Jan | 92.7 | Died | Cosmas Shi Enxiang † | Bishop of Yixian [Yihsien], China |
| 1 Jan | 104.9 | Died | Géry-Jacques-Charles Leuliet † | Bishop Emeritus of Amiens, France |
| 3 Jan | 68.1 | Installed | Fernando Antônio Brochini, C.S.S. † | Bishop of Itumbiara, Goias, Brazil | Bishop Emeritus |
| 78.2 | Died | Paulinus Costa † | Archbishop Emeritus of Dhaka, Bangladesh |
| 71.6 | Retired | Jean-Paul Aimé Gobel | Apostolic Nuncio to Egypt, Arab Republic of | Apostolic Nuncio |
| 62.1 | Installed | Christopher Kakooza | Bishop of Lugazi, Uganda |
| 4 Jan | 62.7 | Installed | Richard Daniel Alarcón Urrutia | Archbishop of Cuzco, Peru |
| 85.7 | Died | Natalino Pescarolo † | Bishop Emeritus of Cuneo, Italy |
| 5 Jan | 102.1 | Died | Bernard Joseph McLaughlin † | Auxiliary Bishop Emeritus of Buffalo, New York, USA |
| 6 Jan | 69.7 | Died | Joseph Djida, O.M.I. † | Bishop of Ngaoundéré, Cameroon |
| 51.3 | Installed | Donald Joseph Hying | Bishop of Gary, Indiana, USA | Bishop of Madison, Wisconsin, USA |
| 62.8 | Ordained Bishop | Marek Szkudło | Titular Bishop of Wigry | Auxiliary Bishop of Katowice, Poland |
| 47.0 | Ordained Bishop | Adam Wodarczyk | Titular Bishop of Pomezania | Auxiliary Bishop of Katowice, Poland |
| 7 Jan | 47.3 | Appointed | Leomar Antônio Brustolin | Auxiliary Bishop of Porto Alegre, Rio Grande do Sul, Brazil | Archbishop of Santa Maria, Rio Grande do Sul, Brazil |
| 47.3 | Appointed | Leomar Antônio Brustolin | Titular Bishop of Tigava | Archbishop of Santa Maria, Rio Grande do Sul, Brazil |
| 54.7 | Appointed | José Antônio Peruzzo | Archbishop of Curitiba, Parana, Brazil |
| 8 Jan | 70.0 | Appointed | Joël Michel Marie Luc Mercier | Secretary of the Congregation for the Clergy | Secretary Emeritus |
| 70.0 | Appointed | Joël Michel Marie Luc Mercier | Titular Archbishop of Rota | Secretary Emeritus of the Congregation for the Clergy |
| 10 Jan | 45.4 | Appointed | Emmanuel Abbo | Apostolic Administrator of Ngaoundéré, Cameroon | Bishop |
| 53.6 | Appointed | Nicolò Anselmi | Auxiliary Bishop of Genova {Genoa}, Italy | Bishop of Rimini, Italy |
| 53.6 | Appointed | Nicolò Anselmi | Titular Bishop of Utica | Bishop of Rimini, Italy |
| 58.4 | Appointed | Juan de la Cruz Barros Madrid | Bishop of Osorno, Chile | Bishop Emeritus |
| 60.7 | Appointed | Guglielmo Borghetti | Coadjutor Bishop of Albenga-Imperia, Italy | Bishop |
| 71.5 | Died | Pierre-André Fournier † | Archbishop of Rimouski, Québec, Canada |
| 56.2 | Appointed | Eugene Martin Nugent | Apostolic Nuncio to Haiti | Apostolic Nuncio to Kuwait |
| 59.9 | Ordained Bishop | John Yaw Afoakwah | Bishop of Obuasi, Ghana |
| 11 Jan | 60.5 | Installed | Jean-Pierre Louis Roger Sylvain Batut | Bishop of Blois, France | Auxiliary Bishop of Toulouse (-Saint Bertrand de Comminges-Rieux), France |
| 59.3 | Installed | Giovanni M. Scalese, B. | Superior of Afghanistan |
| 59.4 | Installed | Stephen Tjephe † | Bishop of Loikaw, Myanmar |
| 12 Jan | 62.9 | Appointed | Fernand Joseph Cheri III, O.F.M. † | Auxiliary Bishop of New Orleans, Louisiana, USA |
| 62.9 | Appointed | Fernand Joseph Cheri III, O.F.M. † | Titular Bishop of Membressa | Auxiliary Bishop of New Orleans, Louisiana, USA |
| 58.7 | Died | James Naanman Daman, O.S.A. † | Bishop of Shendam, Nigeria |
| 47.6 | Appointed | Janusz Stanisław Urbańczyk | Permanent Observer to United Nations Office and Specialized Agencies in Vienna | Apostolic Nuncio to Zimbabwe |
| 14 Jan | 75.6 | Retired | William Joseph Dendinger | Bishop of Grand Island, Nebraska, USA | Bishop Emeritus |
| 56.7 | Appointed | Joseph Gerard Hanefeldt | Bishop of Grand Island, Nebraska, USA |
| 15 Jan | 58.1 | Appointed | Emmanuel Hanna Shaleta (Challita) | Bishop of Mar Addai of Toronto (Chaldean), Canada | Bishop of Saint Peter the Apostle of San Diego (Chaldean), USA |
| 76.4 | Retired | Djibrail Kassab | Bishop of Saint Thomas the Apostle of Sydney (Chaldean), Australia | Bishop Emeritus |
| 47.2 | Appointed | Amel Shamon Nona | Archbishop (Personal Title) of Saint Thomas the Apostle of Sydney (Chaldean), Australia | Bishop |
| 44.6 | Appointed | Basel Salim Yaldo | Titular Bishop of Bethzabda | Curial Bishop of Baghdad (Chaldean), Iraq |
| 44.6 | Confirmed | Basel Salim Yaldo | Curial Bishop of Babylon {Babilonia} (Chaldean), Iraq | Curial Bishop of Baghdad (Chaldean), Iraq |
| 59.2 | Died | Joseph Mukasa Zuza † | Bishop of Mzuzu, Malawi |
| 16 Jan | 56.0 | Appointed | José María Baliña | Auxiliary Bishop of Buenos Aires, Argentina | Auxiliary Bishop of Chascomús, Argentina |
| 56.0 | Appointed | José María Baliña | Titular Bishop of Theudalis | Auxiliary Bishop of Chascomús, Argentina |
| 62.2 | Appointed | João Francisco Salm | Apostolic Administrator of Blumenau, Santa Catarina, Brazil | Bishop of Novo Hamburgo, Rio Grande do Sul, Brazil |
| 70.4 | Appointed | Nicholas James Samra | Apostolic Administrator of Nuestra Señora del Paraíso en México (Melkite Greek) | Bishop Emeritus of Newton (Our Lady of the Annunciation in Boston) (Melkite Greek), USA |
| 17 Jan | 45.8 | Ordained Bishop | Moisés Carlos Atisha Contreras | Bishop of San Marcos de Arica, Chile |
| 52.7 | Installed | Fernando Bascopé Müller, S.D.B. | Bishop of Bolivia, Military | Auxiliary Bishop of San Ignacio de Velasco, Bolivia |
| 47.2 | Ordained Bishop | Ariel Lascarro Tapia | Bishop of Magangué, Colombia |
| 49.7 | Ordained Bishop | Jean-Philippe Paul Nault, S.J.M.V. | Bishop of Digne (-Riez-Sisteron), France | Bishop of Nice, France |
| 51.0 | Ordained Bishop | Antônio Tourinho Neto | Titular Bishop of Satafi | Bishop of Cruz das Almas, Bahia, Brazil |
| 50.3 | Appointed | Piotr Wojciech Turzyński † | Auxiliary Bishop of Radom, Poland |
| 50.3 | Appointed | Piotr Wojciech Turzyński † | Titular Bishop of Usula | Auxiliary Bishop of Radom, Poland |
| 18 Jan | 57.6 | Installed | Beatus Kinyaiya, O.F.M. Cap. | Archbishop of Dodoma, Tanzania |
| 60.3 | Installed | Norbert José Henri Turini | Bishop of Perpignan-Elne, France | Archbishop of Montpellier (-Lodève-Béziers-Agde-Saint-Pons-de-Thomières), France |
| 19 Jan | 88.0 | Died | José María Hernández González † | Bishop Emeritus of Netzahualcóyotl, México, México |
| 55.0 | Appointed | Lisane-Christos Matheos Semahun | Bishop of Bahir Dar - Dessie (Ethiopian), Ethiopia |
| 75.6 | Retired | Claudio Stagni | Bishop of Faenza-Modigliana, Italy | Bishop Emeritus |
| 66.0 | Appointed | Menghesteab Tesfamariam, M.C.C.I. | Archbishop of Asmara (Eritrean), Eritrea |
| 64.5 | Appointed | Mario Toso, S.D.B. | Bishop of Faenza-Modigliana, Italy |
| 20 Jan | 55.3 | Installed | Oscar Omar Aparicio Céspedes | Archbishop of Cochabamba, Bolivia |
| 75.5 | Retired | Ignazio Bedini, S.D.B. | Archbishop of Ispahan, Iran | Archbishop Emeritus |
| 49.5 | Appointed | Jorge Giovanny Pazmiño Abril, O.P. | Bishop of Ambato, Ecuador |
| 78.2 | Retired | Germán Trajano Pavón Puente † | Bishop of Ambato, Ecuador | Bishop Emeritus |
| 43.1 | Appointed | Jack Youssef, C.M. | Apostolic Administrator of Ispahan, Iran | Priest of Congregation of the Mission |
| 21 Jan | 54.3 | Appointed | Daniel Elias Garcia | Auxiliary Bishop of Austin, Texas, USA | Bishop |
| 54.3 | Appointed | Daniel Elias Garcia | Titular Bishop of Capsus | Bishop of Austin, Texas, USA |
| 22 Jan | 49.5 | Ordained Bishop | Hilario González García | Bishop of Linares, Nuevo León, México | Bishop of Saltillo, Coahuila, México |
| 55.7 | Resigned | Jean-Marie Charles André Le Vert | Bishop of Quimper [Cornouailles](-Léon), France | Auxiliary Bishop of Bordeaux (-Bazas), France |
| 23 Jan | 65.5 | Installed | Bernardino Cruz Cortez | Prelate of Infanta, Philippines | Prelate Emeritus |
| 24 Jan | 56.7 | Installed | Filomeno do Nascimento Vieira Dias | Archbishop of Luanda, Angola |
| 78.2 | Ceased | Hernán Giraldo Jaramillo | Apostolic Administrator of Magangué, Colombia | Bishop Emeritus of Buga, Colombia |
| 51.4 | Ordained Bishop | Célestin Hakizimana | Bishop of Gikongoro, Rwanda |
| 47.2 | Installed | Ariel Lascarro Tapia | Bishop of Magangué, Colombia |
| 51.4 | Appointed | Ivica Petanjak, O.F.M. Cap. | Bishop of Krk (Veglia), Croatia |
| 76.4 | Retired | Valter Župan | Bishop of Krk (Veglia), Croatia | Bishop Emeritus |
| 25 Jan | 53.8 | Ordained Bishop | Victor Hlolo Phalana | Bishop of Klerksdorp, South Africa |
| 67.0 | Ceased | Buti Joseph Tlhagale, O.M.I. | Apostolic Administrator of Klerksdorp, South Africa | Archbishop Emeritus of Johannesburg, South Africa |
| 26 Jan | 48.4 | Appointed | Stefan Heße (Hesse) | Archbishop of Hamburg, Germany |
| 28 Jan | 56.3 | Appointed | César Alcides Balbín Tamayo | Bishop of Caldas, Colombia | Bishop of Cartago, Colombia |
| 79.0 | Retired | Egon Kapellari | Bishop of Graz-Seckau, Austria | Bishop Emeritus |
| 76.1 | Retired | José Soleibe Arbeláez | Bishop of Caldas, Colombia | Bishop Emeritus |
| 29 Jan | 56.6 | Installed | Christopher James Coyne | Bishop of Burlington, Vermont, USA | Archbishop of Hartford, Connecticut, USA |
| 77.8 | Retired | Ferdinand Maemba Liwoke | Bishop of Lolo, Congo (Dem. Rep.) | Bishop Emeritus |
| 78.6 | Died | José Martins da Silva, S.D.N. † | Archbishop Emeritus of Porto Velho, Rondonia, Brazil |
| 51.8 | Ceased | John Joseph McDermott | Apostolic Administrator of Burlington, Vermont, USA | Bishop |
| 49.8 | Appointed | Jean-Bertin Nadonye Ndongo, O.F.M. Cap. | Bishop of Lolo, Congo (Dem. Rep.) |
| 31 Jan | 50.5 | Appointed | Józef Andrzej Dąbrowski, C.S.M.A. | Auxiliary Bishop of London, Ontario, Canada | Bishop of Charlottetown, Prince Edward Island, Canada |
| 50.5 | Appointed | Józef Andrzej Dąbrowski, C.S.M.A. | Titular Bishop of Casae in Numidia | Bishop of Charlottetown, Prince Edward Island, Canada |
| 66.5 | Appointed | Adelio Dell’Oro | Bishop of Karaganda, Kazakhstan |
| 48.3 | Ordained Bishop | Donatus Aihmiosion Ogun, O.S.A. | Bishop of Uromi, Nigeria |
| 81.0 | Died | Adalberto Arturo Rosat, O.F.M. † | Prelate Emeritus of Aiquile, Bolivia |
| 54.0 | Ordained Bishop | Samson Shukardin, O.F.M. | Bishop of Hyderabad in Pakistan |
| 59.8 | Ordained Bishop | Carlos Enrique Trinidad Gómez † | Bishop of San Marcos, Guatemala |