About this Quebec poll from Mainstreet Research
This Quebec sovereignty poll was fielded by Mainstreet Research in May 2026, with a middle field date of May 15, 2026. The poll collected data from a total sample of n=1,468 Quebec respondents via IVR technology (automated calls).
The margin of error for an online sample is not applicable.
For comparison purposes, a random sample of this size would yield a margin of error [moe] of ±2.6%, 19 times out of 20 (for entire sample only) around the 50%-mark.
The regional breakdown of this poll was not made publicly available.
If we compare these numbers with the previous poll from Mainstreet Research (June 2025), opposition to Quebec sovereignty climbs eleven points from 59% to 70%, and support for Quebec sovereignty loses nine points from 30% to 21% among all respondents.
You can read more information on this poll here.
Return to list Quebec sovereignty polls.
P#61