A new Mainstreet poll released on September 12th, 2025, shows the Liberal party's lead over the Conservatives has narrowed, with Liberals at 42.3% support, a decrease of 4.6% from the previous poll, while Conservatives have gained to 40.4%, an increase of 2.2%. The poll indicates a shift in public opinion over the period since the last Mainstreet survey. The New Democratic Party (NDP) saw a notable increase in support, rising to 8.4%, a gain of 2.3%. The Bloc Québécois (BQ) also experienced a positive swing, reaching 5% support, up 1.8%. Other parties showed smaller changes in the latest polling data. The People's Party of Canada (PPC) garnered 1.6% support, an increase of 0.6%, while "Other" parties saw a slight decrease to 1.3%, down 0.3%. The Green Party registered 1.2% support, a decline of 1.7%. These figures reflect the fluctuating political landscape, with the upcoming election potentially seeing a close contest between the Liberal and Conservative parties. No further details on the methodology or timing of the poll beyond its release date were immediately available.
