Template:43rd Canada Senate membership change
| Date | Name | Province | Affiliation before | Affiliation after | Reason | ||
|---|---|---|---|---|---|---|---|
| October 21, 2019 | André Pratte | Quebec (De Salaberry) | Independent Senators Group | vacant | Resigned | ||
| November 2, 2019 | Paul McIntyre | New Brunswick | Conservative | Mandatory retirement | |||
| November 4, 2019 | Doug Black | Alberta | Independent Senators Group | Canadian Senators Group | Joined new caucus group | ||
| Robert Black | Ontario (Centre Wellington) | ||||||
| Larry Campbell | British Columbia (Vancouver) | ||||||
| Stephen Greene | Nova Scotia (Halifax — The Citadel) | ||||||
| Diane Griffin | Prince Edward Island | ||||||
| Elaine McCoy | Alberta (Calgary) | ||||||
| Josée Verner | Quebec (Montarville) | ||||||
| David Adams Richards | New Brunswick | Non-affiliated | |||||
| Scott Tannas | Alberta | Conservative | |||||
| Pamela Wallin | Saskatchewan | ||||||
| Vernon White | Ontario | ||||||
| November 6, 2019 | Richard Neufeld | British Columbia | vacant | Mandatory retirement | |||
| November 7, 2019 | Diane Bellemare | Quebec (Alma) | Non-affiliated | Independent Senators Group | Changed affiliation | ||
| November 14, 2019 | Jane Cordy | Nova Scotia | Senate Liberal Caucus | Progressive Senate Group | Joined new caucus group | ||
| Dennis Dawson | Quebec (Lauzon) | ||||||
| Joseph A. Day | New Brunswick (Saint John-Kennebecasis) | ||||||
| Percy Downe | Prince Edward Island (Charlottetown) | ||||||
| Lillian Dyck | Saskatchewan (North Battleford) | ||||||
| Serge Joyal | Quebec (Kennebec) | ||||||
| Sandra Lovelace Nicholas | New Brunswick | ||||||
| Terry Mercer | Nova Scotia (Northend Halifax) | ||||||
| Jim Munson | Ontario (Ottawa/Rideau Canal) | ||||||
| November 18, 2019 | Percy Downe | Prince Edward Island (Charlottetown) | Progressive Senate Group | Canadian Senators Group | Changed affiliation | ||
| Jean-Guy Dagenais | Quebec (Victoria) | Conservative | |||||
| January 21, 2020 | Nicole Eaton | Ontario | vacant | Mandatory retirement | |||
| January 24, 2020 | Joseph A. Day | New Brunswick (Saint John-Kennebecasis) | Progressive Senate Group | ||||
| January 24, 2020 | Marc Gold | Quebec (Stadacona) | Independent Senators Group | Non-affiliated | Change in parliamentary group affiliation following appointment to Representative of the Government in the Senate | ||
| January 31, 2020 | Raymonde Gagné | Manitoba | Change in parliamentary group affiliation following appointment as Legislative Deputy to the Government Representative | ||||
| Patti LaBoucane-Benson | Alberta | Change in parliamentary group affiliation following appointment as Government Liaison | |||||
| Brent Cotter | Saskatchewan | vacant | Non-affiliated | Appointed to Senate | |||
| Judith Keating | New Brunswick | ||||||
| February 1, 2020 | Serge Joyal | Quebec (Kennebec) | Progressive Senate Group | vacant | Mandatory retirement | ||
| February 6, 2020 | Brent Cotter | Saskatchewan | Non-affiliated | Independent Senators Group | Changed affiliation | ||
| Judith Keating | New Brunswick | ||||||
| February 18, 2020 | David Tkachuk | Saskatchewan | Conservative | vacant | Mandatory retirement | ||
| April 9, 2020 | Tom McInnis | Nova Scotia | |||||
| April 24, 2020 | Grant Mitchell | Alberta | Non-affiliated | Resigned | |||
| May 8, 2020 | Patricia Bovey | Manitoba | Independent Senators Group | Progressive Senate Group | Changed affiliation | ||
| May 14, 2020 | Peter Harder | Ontario (Ottawa) | Non-affiliated | ||||
| May 21, 2020 | Pierre Dalphond | Quebec (De Lorimier) | Independent Senators Group | ||||
| July 8, 2020 | Wanda Thomas Bernard | Nova Scotia | |||||
| August 24, 2020 | Lillian Dyck | Saskatchewan | Progressive Senate Group | vacant | Mandatory retirement | ||
| September 2, 2020 | Marty Klyne | Saskatchewan | Independent Senators Group | Progressive Senate Group | Changed affiliation | ||
| September 14, 2020 | Brian Francis | Prince Edward Island | |||||
| Patrick Brazeau | Quebec (Repentigny) | Non-affiliated | |||||
| November 11, 2020 | Norman Doyle | Newfoundland and Labrador | Conservative | vacant | Mandatory retirement | ||
| December 29, 2020 | Elaine McCoy | Alberta | Canadian Senators Group | Death | |||
| January 25, 2021 | Lynn Beyak | Ontario (Northwestern Ontario) | Non-affiliated | Resigned from Senate | |||
| January 31, 2021 | Murray Sinclair | Manitoba | Independent Senators Group | ||||
| March 1, 2021 | Margaret Dawn Anderson | Northwest Territories | Progressive Senate Group | Changed affiliation | |||
| May 27, 2021 | Mike Duffy | Prince Edward Island (Cavendish) | vacant | Mandatory retirement | |||
| June 22, 2021 | Bernadette Clement | Ontario | vacant | Non-affiliated | Appointed to Senate | ||
| Hassan Yussuff | |||||||
| Jim Quinn | New Brunswick | ||||||
| July 14, 2021 | Jim Munson | Ontario | Progressive Senate Group | vacant | Mandatory retirement | ||
| July 16, 2021 | Judith Keating | New Brunswick | Independent Senators Group | Death | |||
| July 27, 2021 | Carolyn Stewart-Olsen | Conservative | Mandatory retirement | ||||
| July 29, 2021 | David Arnot | Saskatchewan | vacant | Non-affiliated | Appointed to Senate | ||
| Michèle Audette | Quebec | ||||||
| Amina Gerba | |||||||
| Clément Gignac | |||||||
| Karen Sorensen | Alberta | ||||||
| August 20, 2021 | Clément Gignac | Quebec | Non-affiliated | Progressive Senate Group | Changed affiliation | ||
| August 27, 2021 | Linda Frum | Ontario | Conservative | vacant | Resigned | ||
| September 2, 2021 | Amina Gerba | Quebec | Non-affiliated | Progressive Senate Group | Changed affiliation | ||
| September 7, 2021 | Jim Quinn | New Brunswick | Canadian Senators Group | ||||
| September 17, 2021 | David Arnot | Saskatchewan | Independent Senators Group | ||||
| Diane Bellemare | Quebec (Alma) | Independent Senators Group | Progressive Senate Group | ||||
This is a table of senate membership changes in the 43rd Canadian Parliament since election day.