| Year | From | To |
|---|
| 1659 | Diocese of Cochin, India
| Territory Lost | Vicariate Apostolic of Malabar, India
| Erected |
| 1787 | Diocese of Camerino, Italy
| Elevated | Archdiocese of Camerino, Italy
| Elevated |
| 1832 | | | Delegation to Mesopotamia, Kurdistan, and Lesser Armenia, Iraq
| Established |
| 1841 | Diocese of Kingston, Ontario, Canada
| Territory Lost | Diocese of Toronto, Ontario, Canada
| Erected |
| 1841 | | | Society of Precious Blood
| Approbation |
| 1850 | Diocese of Cloyne and Ross, Ireland
| Split | Diocese of Cloyne, Ireland
Diocese of Ross, Ireland
| Split |
| 1913 | Diocese of Seattle, Washington, USA (Okanogan, Ferry, Stevens, Pend'Oreille, Douglas, Grant, Lincoln, Spokane, Adams, Whitman, Benton, Franklin, Walla-Walla, Columbia, Garfield, and Asotin)
| Territory Lost | Diocese of Spokane, Washington, USA
| Erected |
| 1922 | Diocese of Wrocław (Breslau), Poland
| Territory Lost | Apostolic Administration of Upper Silesia {Górny Sląsk}, Poland
| Erected |
| 1936 | Diocese of Lahore, Pakistan (Dera Ghazi Khan with Buoch Trans Frontier, Muzaffargarth, Jhang, Multan, Montgomery, Lyalpur, Dera Ismail Khan, along with Bhajákar and Bahawalpur)
| Territory Lost | Prefecture Apostolic of Multan, Pakistan
| Erected |
| 1938 | Archdiocese of Eger, Hungary (Józsa, Szovàt, Tetétlen, Földes, and Sap)
| Territory Lost | Apostolic Administration of Debreczen, Hungary
| Territory Added |
| 1938 | Archdiocese of Eger, Hungary (Tiszaherecseny, Tiszaadony Tiszavid, Tiszaszalka, and Kàntorjànos)
| Territory Lost | Apostolic Administration of Mérk, Hungary
| Territory Added |
| 1938 | Apostolic Administration of Mérk, Hungary (Zàhonij Ilk and Nyirvasvári)
| Territory Lost | Archdiocese of Eger, Hungary
| Territory Added |
| 1940 | | | Paulist Fathers
| Approbation |
| 1949 | Diocese of Zamboanga, Philippines (Davao)
| Territory Lost | Territorial Prelature of Davao, Philippines
| Erected |
| 1952 | Diocese of Manizales, Colombia (Immaculate Conception B. M. V., Sacred Heart of Jesus, from Montenegro, generally, La Tebaida, Calarcá, Córbiba, Pijao, Genova; parish vicariates: Barcelona and Buenavista, Filandia, Circassia, Quimbaya, and Salento)
| Territory Lost | Diocese of Armenia, Colombia
| Erected |
| 1952 | Diocese of Nueva Pamplona, Colombia (Santander del Sur)
| Territory Lost | Diocese of Bucaramanga, Colombia
| Erected |
| 1952 | Diocese of Cali, Colombia (Buga, San Pedro, Tuluá, Andalucía, Bugalagrande, Sevilla, and Caicedonia)
Archdiocese of Popayán, Colombia (Florida, Candelaria, Pradera, Palmira, Cerrito, Guacarí, and Ginebra)
| Territory Lost | Diocese of Palmira, Colombia
| Erected |
| 1952 | Prefecture Apostolic of Chocó, Colombia (Pueblo Rico and S. Antonio de Chami)
Diocese of Manizales, Colombia (Nuestra Señora de la Pobreza, N. S. de la Valvanera, Virginia, Viterbo, Apía, Santuario, Belén de Umbria, Mistrató, Anserma, Belalcázar, Guática (with S. Clement), Arabia, Balboa and La Celia; parts of Marseilles and S. Rosa)
| Territory Lost | Diocese of Pereira, Colombia
| Erected |
| 1956 | Diocese of Cajamarca, Peru (Part of Caiamarca (Cutervo, Chota, and Santa Cruz))
Archdiocese of Trujillo, Peru (Lambayeque (Chiclayo, Lambayeque, and Ferreñafe))
| Territory Lost | Diocese of Chiclayo, Peru
| Erected |
| 1960 | Diocese of Salto, Uruguay (Soriano)
Diocese of San José de Mayo, Uruguay (Colonia)
| Territory Lost | Diocese of Mercedes, Uruguay
| Erected |
| 1960 | Territorial Prelature of Bom Jesus do Piauí, Piaui, Brazil (Sao Raimundo Nonato, Canto do Burití, Caracol, and Sao Joáo do Piaui)
| Territory Lost | Territorial Prelature of São Raimundo Nonato, Piaui, Brazil
| Erected |
| 1960 | Territorial Prelature of Cotabato, Philippines (Marbel, Banga, Dadiangas, Glan, Kiamba, Lagao, Milbuk, Norala, Polomolok, Tupi, and Bolol)
| Territory Lost | Territorial Prelature of Marbel, Philippines
| Erected |
| 1962 | Diocese of León en Nicaragua (Esteli, Madriz, and Nueva Segovia)
| Territory Lost | Diocese of Esteli, Nicaragua
| Erected |
| 1973 | Archdiocese of Salisbury, Zimbabwe (Mashonaland North along with Lomagundi, Urungwe, Kariba, Sipolilo, and Mount Darwin)
| Territory Lost | Prefecture Apostolic of Sinoia, Zimbabwe
| Erected |
| 1974 | Diocese of Majunga, Madagascar (Andriamena)
| Territory Lost | Diocese of Ambatondrazaka, Madagascar
| Territory Added |
| 1976 | Diocese of Wollongong, Australia (Eurobadalla)
| Territory Lost | Archdiocese of Canberra (and Goulburn), Australia
| Territory Added |
| 1976 | Archdiocese of Canberra (and Goulburn), Australia (Waugoola)
| Territory Lost | Diocese of Bathurst, Australia
| Territory Added |
| 1976 | Archdiocese of Canberra (and Goulburn), Australia (Jemalong)
| Territory Lost | Diocese of Wilcannia-Forbes, Australia
| Territory Added |
| 1977 | Diocese of Amravati, India (Districts of Aurangabad and Parbhani)
Archdiocese of Hyderabad, India (Districts of Bhir, Nanded, and Osmanabad)
| Territory Lost | Diocese of Aurangabad, India
| Erected |
| 1977 | Prefecture Apostolic of Idah, Nigeria
| Elevated | Diocese of Idah, Nigeria
| Elevated |
| 1982 | Archdiocese of Honiara, Solomon Islands (Malaita District)
| Territory Lost | Diocese of Auki, Solomon Islands
| Erected |
| 1982 | Eparchy of Alexandria {Alessandria} (Coptic), Egypt
| Territory Lost | Eparchy of Ismayliah (Coptic), Egypt
| Erected |
| 1992 | Diocese of Kota Kinabalu, Malaysia (Bahaigan Pendalaman (Interior Division))
| Territory Lost | Diocese of Keningau, Malaysia
| Erected |
| 1998 | | | Nunciature to Palau, Pacific (Oceania)
| Established |
| 2022 | Diocese of Macerata-Tolentino-Recanati-Cingoli-Treia, Italy
| Name Changed | Diocese of Macerata, Italy
| Name Changed |
| 2022 | | | Titular See of Recanati
Titular See of Cingoli
Titular See of Tolentino
Titular See of Treia
| Established |