Establishing a 350-seat Parliament would address longstanding imbalances in the House of Commons that have historically left Ontario, Alberta, and B.C. with less representation than other provinces, a new report suggests.
The three provinces are underrepresented not only in the House of Commons, but in the Senate as well, while all other provinces are comparatively overrepresented, according to a study by the Calgary-based Aristotle Foundation for Public Policy.
Three provinces have increased their share of Canada’s population since 1949, the study said. Ontario’s population share has risen from 32.6 percent in 1949 to 39 percent in 2025; British Columbia has grown from 8.3 percent to 13.8 percent; and Alberta is up from 6.6 percent to 11.9 percent. Yet that change has never been reflected in either federal chamber….