Today, the Prime Minister, Mark Carney, announced that by-elections will be held on December 7, 2026, in the following electoral districts:
- Brantford—Brant South
- Laurier—Sainte-Marie
- Rosemont—La Petite-Patrie
- Saint-Hyacinthe—Bagot—Acton
- Scarborough North
- Yorkton—Melville