About this Mainstreet Research federal poll
This federal poll was fielded by Mainstreet Research in August 2025, with a middle field date of August 30, 2025. The poll collected data from a total sample of n=1,008 Canadian respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±3.1%, 19 times out of 20 (for entire sample only) around the 50%-mark.
If we compare these national numbers with the previous poll from Mainstreet Research (June 2025), the Liberal Party loses five points from 47% to 42%, the Conservative Party climbs two points from 38% to 40% (variation smaller than moe), and the New Democratic Party climbs two points from 6% to 8% (variation smaller than moe).
You can read more information on this poll here.
Back to all federal polls
Past polls from Mainstreet Research
Breakdown by region
Breakdown by gender
Breakdown by age group
P#943