| Date | Age | Event | Bishop | Title | Current Title |
|---|
| 4 Apr 2018 | 59.5 | Appointed | Jayakody Aratchige Don Anton Jayakody | Auxiliary Bishop of Colombo |
| 59.5 | Appointed | Jayakody Aratchige Don Anton Jayakody | Titular Bishop of Mulli | Auxiliary Bishop of Colombo |
| 76.4 | Retired | Vincent Marius Joseph Peiris † | Auxiliary Bishop of Colombo | Auxiliary Bishop Emeritus |
| 23 Jun 2018 | 59.7 | Ordained Bishop | Jayakody Aratchige Don Anton Jayakody | Titular Bishop of Mulli | Auxiliary Bishop of Colombo |
| 3 Jul 2019 | 52.9 | Appointed | Indunil Janakaratne Kodithuwakku Kankanamalage | Secretary of the Pontifical Council for Interreligious Dialogue | Secretary of the Dicastery for Interreligious Dialogue |
| 2 Jan 2020 | 70.7 | Retired | Pierre Nguyễn Văn Tốt | Apostolic Nuncio to Sri Lanka | Apostolic Nuncio |
| 10 Apr 2020 | 87.3 | Died | Nicholas Marcus Fernando † | Archbishop Emeritus of Colombo |
| 13 Jun 2020 | 55.9 | Appointed | Brian Ngozi Udaigwe | Apostolic Nuncio to Sri Lanka | Apostolic Nuncio to Ethiopia |
| 13 Jul 2020 | 53.8 | Appointed | Anton Ranjith Pillainayagam | Auxiliary Bishop of Colombo |
| 53.8 | Appointed | Anton Ranjith Pillainayagam | Titular Bishop of Materiana | Auxiliary Bishop of Colombo |
| 29 Aug 2020 | 53.9 | Ordained Bishop | Anton Ranjith Pillainayagam | Titular Bishop of Materiana | Auxiliary Bishop of Colombo |
| 12 Dec 2020 | 80.0 | Died | Victor Gnanapragasam, O.M.I. † | Vicar Apostolic of Quetta, Pakistan |
| 1 Apr 2021 | 80.9 | Died | Rayappu Joseph † | Bishop Emeritus of Mannar |
| 9 Oct 2021 | 79.1 | Retired | Joseph Vianney Fernando | Bishop of Kandy | Bishop Emeritus |
| 63.3 | Appointed | Warnakulasurya Wadumestrige Devasritha Valence Mendis | Bishop of Kandy |
| 17 Jan 2022 | 63.6 | Appointed | Warnakulasurya Wadumestrige Devasritha Valence Mendis | Apostolic Administrator of Chilaw | Bishop of Kandy |
| 63.6 | Installed | Warnakulasurya Wadumestrige Devasritha Valence Mendis | Bishop of Kandy |
| 7 Jul 2022 | 63.1 | Appointed | Joseph Spiteri | Apostolic Nuncio to México |
| 30 Jan 2023 | 78.0 | Appointed | Julian Winston Sebastian Fernando, S.S.S. | Apostolic Administrator of Badulla | Bishop Emeritus |
| 78.0 | Retired | Julian Winston Sebastian Fernando, S.S.S. | Bishop of Badulla | Bishop Emeritus |
| 52.7 | Appointed | Echchampulle Arachchige Jude Nishanta Silva | Bishop of Badulla |
| 3 Feb 2023 | 90.1 | Died | Oswald Thomas Colman Gomis † | Archbishop Emeritus of Colombo |
| 22 Apr 2023 | 78.2 | Ceased | Julian Winston Sebastian Fernando, S.S.S. | Apostolic Administrator of Badulla | Bishop Emeritus |
| 52.9 | Ordained Bishop | Echchampulle Arachchige Jude Nishanta Silva | Bishop of Badulla |
| 9 Nov 2023 | 87.1 | Died | François Robert Bacqué † | Apostolic Nuncio |
| 6 Dec 2023 | 54.8 | Appointed | Arachchige Don Wimal Siri Appuhamy Jayasuriya | Bishop of Chilaw |
| 2 Mar 2024 | 55.1 | Ordained Bishop | Arachchige Don Wimal Siri Appuhamy Jayasuriya | Bishop of Chilaw |
| 65.7 | Ceased | Warnakulasurya Wadumestrige Devasritha Valence Mendis | Apostolic Administrator of Chilaw | Bishop of Kandy |
| 5 Mar 2024 | 56.3 | Appointed | Peter Antony Wyman Croos | Bishop of Ratnapura |
| 76.4 | Appointed | Cletus Chandrasiri Perera, O.S.B. | Apostolic Administrator of Ratnapura | Bishop Emeritus |
| 76.4 | Retired | Cletus Chandrasiri Perera, O.S.B. | Bishop of Ratnapura | Bishop Emeritus |
| 13 May 2024 | 82.5 | Died | Vincent Marius Joseph Peiris † | Auxiliary Bishop Emeritus of Colombo |
| 1 Jun 2024 | 56.5 | Ordained Bishop | Peter Antony Wyman Croos | Bishop of Ratnapura |
| 76.7 | Ceased | Cletus Chandrasiri Perera, O.S.B. | Apostolic Administrator of Ratnapura | Bishop Emeritus |
| 19 Aug 2024 | 57.9 | Appointed | Anton Ranjith Pillainayagam | Apostolic Administrator of Batticaloa | Auxiliary Bishop of Colombo |
| 71.8 | Resigned | Joseph Ponniah † | Bishop of Batticaloa | Bishop Emeritus |
| 14 Dec 2024 | 59.4 | Appointed | Gnanapragasam Anthonypillai | Bishop of Mannar |
| 76.5 | Retired | Fidelis Lionel Emmanuel Fernando | Bishop of Mannar | Bishop Emeritus |
| 22 Feb 2025 | 59.6 | Ordained Bishop | Gnanapragasam Anthonypillai | Bishop of Mannar |
| 23 Feb 2025 | 59.6 | Installed | Gnanapragasam Anthonypillai | Bishop of Mannar |
| 12 Apr 2025 | 60.7 | Appointed | Brian Ngozi Udaigwe | Apostolic Nuncio to Ethiopia |
| 19 May 2025 | 72.6 | Died | Joseph Ponniah † | Bishop Emeritus of Batticaloa |
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