Date | Country | Change |
| 1887.05.20 |  India | Apostolic Vicariate of Kottayam (Syro-Malabar Rite) was established (from Archdiocese of Verapoly) |
| 1887.05.20 | India | Apostolic Vicariate of Trichur (Syro-Malabar Rite) was established (from Archdiocese of Verapoly) |
| 1896.07.28 | India | Apostolic Vicariate of Changanacherry (Syro-Malabar Rite) was established (from the suppressed Apostolic Vicariate of Kottayam) |
| 1896.07.28 | India | Apostolic Vicariate of Ernakulam (Syro-Malabar Rite) was established (from Apostolic Vicariate of Trichur and from the suppressed Apostolic Vicariate of Kottayam) |
| 1896.07.28 | India | Apostolic Vicariate of Kottayam (Syro-Malabar Rite) was suppressed (to Apostolic Vicariate of Trichur and to establish Apostolic Vicariate of Changanacherry and Apostolic Vicariate of Ernakulam) |
| 1911.08.29 | India | Apostolic Vicariate of Kottayam (Syro-Malabar Rite) was restored (from Apostolic Vicariate of Changanacherry and Apostolic Vicariate of Ernakulam) |
| 1923.12.21 | India | Apostolic Vicariate of Changanacherry (Syro-Malabar Rite) was promoted as Diocese of Changanacherry (became suffragan of Ernakulam) |
| 1923.12.21 | India | Apostolic Vicariate of Ernakulam (Syro-Malabar Rite) was promoted as Metropolitan Archdiocese of Ernakulam (with suffragan sees Changanacherry, Kottayam and Trichur) |
| 1923.12.21 | India | Apostolic Vicariate of Kottayam (Syro-Malabar Rite) was promoted as Diocese of Kottayam (became suffragan of Ernakulam) |
| 1923.12.21 | India | Apostolic Vicariate of Trichur (Syro-Malabar Rite) was promoted as Diocese of Trichur (became suffragan of Ernakulam) |
| 1950.07.25 | India | Diocese of Palai (Syro-Malabar Rite) was established (from Diocese of Changanacherry and became suffragan of Ernakulam) |
| 1953.12.31 | India | Diocese of Tellicherry (Syro-Malabar Rite) was established (from Diocese of Calicut and became suffragan of Ernakulam) |
| 1956.07.29 | India | Diocese of Kothamangalam (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Ernakulam and became suffragan of Ernakulam) |
| 1959.01.10 | India | Diocese of Changanacherry (Syro-Malabar Rite) was promoted as Metropolitan Archdiocese of Changanacherry (with suffragan see Palai) |
| 1962.03.31 | India | Ordinariate of Chanda (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Nagpur) |
| 1968.07.29 | India | Ordinariate of Chanda (Syro-Malabar Rite) was promoted as Apostolic Exarchate of Chanda (gained territory from Diocese of Amravati) |
| 1968.07.29 | India | Apostolic Exarchate of Sagar (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Bhopal and became suffragan of Bhopal) |
| 1968.07.29 | India | Apostolic Exarchate of Satna (Syro-Malabar Rite) was established (from Diocese of Jabalpur and became suffragan of Bhopal) |
| 1968.07.29 | India | Apostolic Exarchate of Ujjain (Syro-Malabar Rite) was established (from Diocese of Indore and became suffragan of Bhopal) |
| 1972.03.23 | India | Apostolic Exarchate of Bijnor (Syro-Malabar Rite) was established (from Diocese of Meerut and became suffragan of Agra) |
| 1972.03.23 | India | Apostolic Exarchate of Jagdalpur (Syro-Malabar Rite) was established (from Apostolic Prefecture of Raipur) |
| 1973.03.01 | India | Diocese of Mananthavady (Syro-Malabar Rite) was established (from Diocese of Tellicherry and became suffragan of Ernakulam) |
| 1974.06.27 | India | Diocese of Palghat (Syro-Malabar Rite) was established (from Diocese of Trichur and became suffragan of Ernakulam) |
| 1975.12.04 | India | Diocese of Tellicherry (Syro-Malabar Rite) lost territory to Diocese of Mananthavady |
| 1977.02.26 | India | Apostolic Exarchate of Bijnor (Syro-Malabar Rite) was promoted as Diocese of Bijnor |
| 1977.02.26 | India | Apostolic Exarchate of Chanda (Syro-Malabar Rite) was promoted as Diocese of Chanda (became suffragan of Nagpur) |
| 1977.02.26 | India | Apostolic Exarchate of Jagdalpur (Syro-Malabar Rite) was promoted as Diocese of Jagdalpur (became suffragan of Bhopal) |
| 1977.02.26 | India | Diocese of Kanjirapally (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Changanacherry and became suffragan of Changanacherry) |
| 1977.02.26 | India | Diocese of Rajkot (Syro-Malabar Rite) was established (from Diocese of Ahmedabad and became suffragan of Bombay) |
| 1977.02.26 | India | Apostolic Exarchate of Sagar (Syro-Malabar Rite) was promoted as Diocese of Sagar |
| 1977.02.26 | India | Apostolic Exarchate of Satna (Syro-Malabar Rite) was promoted as Diocese of Satna |
| 1977.02.26 | India | Apostolic Exarchate of Ujjain (Syro-Malabar Rite) was promoted as Diocese of Ujjain |
| 1978.06.22 | India | Diocese of Irinjalakuda (Syro-Malabar Rite) was established (from Diocese of Trichur and became suffragan of Ernakulam) |
| 1984.06.19 | India | Diocese of Gorakhpur (Syro-Malabar Rite) was established (from Diocese of Varanasi and became suffragan of Agra) |
| 1986.04.28 | India | Diocese of Thamarasserry (Syro-Malabar Rite) was established (from Diocese of Tellicherry and became suffragan of Ernakulam) |
| 1988.04.30 | India | Diocese of Kalyan (Syro-Malabar Rite) was established (gained territory from Diocese of Poona and became suffragan of Bombay) |
| 1992.12.16 | India | Major Archdiocese of Ernakulam–Angamaly (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Ernakulam) |
| 1992.12.16 | India | Metropolitan Archdiocese of Ernakulam (Syro-Malabar Rite) was renamed as Metropolitan Archdiocese of Ernakulam–Angamaly (lost territory to establish Major Archdiocese of Ernakulam–Angamaly) |
| 1995.05.18 | India | Diocese of Tellicherry (Syro-Malabar Rite) was promoted as Metropolitan Archdiocese of Tellicherry (with suffragan sees Mananthavady and Thamarasserry) |
| 1995.05.18 | India | Diocese of Trichur (Syro-Malabar Rite) was promoted as Metropolitan Archdiocese of Trichur (with suffragan sees Irinjalakuda and Palghat) |
| 1996.11.11 | India | Diocese of Thuckalay (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Changanacherry and became suffragan of Changanacherry) |
| 1999.04.24 | India | Diocese of Belthangady (Syro-Malabar Rite) was established (from Metropolitan Archdiocese of Tellicherry and became suffragan of Tellicherry) |
| 1999.06.23 | India | Diocese of Adilabad (Syro-Malabar Rite) was established (from Diocese of Chanda and became suffragan of Hyderabad) |
| 2001.02.16 |  USA | Diocese of Saint Thomas the Apostle of Chicago (Syro-Malabar Rite) was established (without ecclesiastical province) |
| 2002.12.19 | India | Diocese of Idukki (Syro-Malabar Rite) was established (from Diocese of Kothamangalam and became suffragan of Ernakulam–Angamaly) |
| 2005.05.09 | India | Diocese of Kottayam (Syro-Malabar Rite) was promoted as Metropolitan Archdiocese of Kottayam |
| 2007.08.29 | India | Diocese of Bhadravathi (Syro-Malabar Rite) was established (from Diocese of Mananthavady and became suffragan of Tellicherry) |
| 2010.01.15 | India | Diocese of Mananthavady (Syro-Malabar Rite) lost territory to Diocese of Bhadravathi |
| 2010.01.18 | India | Diocese of Mandya (Syro-Malabar Rite) was established (from Diocese of Mananthavady and became suffragan of Tellicherry) |
| 2010.01.18 | India | Diocese of Ramanathapuram (Syro-Malabar Rite) was established (from Diocese of Palghat and became suffragan of Trichur) |
| 2012.03.06 | India | Diocese of Faridabad (Syro-Malabar Rite) was established |
| 2013.12.23 |  Australia,  New Zealand | Diocese of Saint Thomas the Apostle of Melbourne (Syro-Malabar Rite) was established (without ecclesiastical province) |
| 2015.08.06 |  Canada | Apostolic Exarchate of Canada (Syro-Malabar Rite) was established |
| 2016.07.28 |  England,  Scotland,  Wales | Diocese of Great Britain (Syro-Malabar Rite) was established (without ecclesiastical province) |
| 2017.10.09 | India | Metropolitan Archdiocese of Changanacherry (Syro-Malabar Rite) lost territory to Diocese of Thuckalay |
| 2017.10.10 | India | Diocese of Hosur (Syro-Malabar Rite) was established (without ecclesiastical province) |
| 2017.10.10 | India | Diocese of Shamshabad (Syro-Malabar Rite) was established (without ecclesiastical province) |
| 2018.12.22 | Canada | Apostolic Exarchate of Canada (Syro-Malabar Rite) was promoted as Diocese of Mississauga (without ecclesiastical province) |
