| Number of members per party by date |
2021 | 2022 | 2023 | 2024 | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 20 | Mar 22 | May 27 | Sep 13 | Dec 31 | Jan 28 | Feb 28 | Mar 8 | Mar 22 | Jun 19 | Jul 24 | Aug 1 | Jan 16 | Feb 1 | Mar 4 | Mar 31 | May 27 | Jun 24 | Aug 31 | Sep 4 | Sep 16 | Sep 19 | |||
| Liberal | 159 | 158[a] | 157 | 156 | 158 | 157 | 156 | 155 | 154 | 153 | ||||||||||||||
| Conservative | 119 | 118 | 117 | 116 | 115 | 117 | 118 | 117 | 118 | 119 | ||||||||||||||
| Bloc Québécois | 32 | 33 | ||||||||||||||||||||||
| New Democratic | 25 | 24 | 25 | |||||||||||||||||||||
| Green | 2 | |||||||||||||||||||||||
| Independent | 1 | 2 | 3 | 4 | ||||||||||||||||||||
| Total members | 338 | 337 | 336 | 335 | 334 | 333 | 337 | 338 | 337 | 336 | 335 | 336 | 335 | 334 | 335 | 334 | 336 | |||||||
| Government majority | -20 | -21[a] | -19 | -18 | -19 | -21 | -22 | -21 | -22 | -23 | -24 | -25 | -26 | -27 | -28 | -30 | -31 | |||||||
| Government majority with C & S measures[b][c] |
N/A[b] | 30 | 29 | 31 | 32 | 31 | 29 | 28 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | N/A[c] | |||||||
| Vacant | 0 | 1[a] | 2 | 3 | 4 | 5 | 1 | 0 | 1 | 2 | 3 | 2 | 3 | 4 | 3 | 4 | 2 | |||||||
- ^ a b c The Liberals briefly fell to 157 seats on December 12, 2022, during the period between Jim Carr's death and Charles Sousa's by-election victory in Mississauga—Lakeshore. During this period the government majority shrunk to -22, and the number of vacant seats rose to 2.
- ^ a b The Liberal and New Democratic (NDP) parties reach a confidence and supply agreement on 22 March 2022.
- ^ a b The New Democratic Party rescinds its confidence and supply agreement with the Liberal Party on September 4, 2024.
This is a table of how party affiliation standings have changed in the House of Commons of the 44th Canadian Parliament since election day.