 | 2023 | 2024 |
| 2023 | 2024 |
Date | Country | Change |
| 2024.02.10 |  Paraguay | Diocese of Canindeyú was established (from Diocese of Ciudad del Este and became suffragan of Asunción) |
| 2024.02.22 |  Guinea | Diocese of Boké was established (from Metropolitan Archdiocese of Conakry and became suffragan of Conakry) |
| 2024.06 |  Mexico | Diocese of Matamoros was renamed as Diocese of Matamoros–Reynosa |
| 2024.06.18 |  Zambia | Diocese of Ndola was promoted as Metropolitan Archdiocese of Ndola (with suffragan sees Kabwe and Solwezi) |
| 2024.06.21 |  Indonesia | Diocese of Labuan Bajo was established (from Diocese of Ruteng and became suffragan of Ende) |
| 2024.06.26 |  Brazil | Diocese of Jaú was established (from Diocese of São Carlos and became suffragan of Campinas) |
| 2024.07.03 |  South Sudan | Diocese of Bentiu was established (from Diocese of Malakal and became suffragan of Juba) |
| 2024.07.22 |  Argentina | Diocese of Santiago del Estero was promoted as Archdiocese of Santiago del Estero |
| 2024.08.01 |  Angola | Diocese of Ganda was established (from Diocese of Benguela and became suffragan of Huambo) |
| 2024.09.12 |  Wales,  England | Metropolitan Archdiocese of Cardiff was renamed as Metropolitan Archdiocese of Cardiff–Menevia (gained territory from the suppressed Diocese of Menevia and lost suffragan see Menevia) |
| 2024.09.12 | Wales | Diocese of Menevia was suppressed (to Metropolitan Archdiocese of Cardiff–Menevia) |
| 2024.09.26 |  Estonia | Apostolic Administration of Estonia was promoted as Diocese of Talinn (without ecclesiastical province) |
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