About this poll

This Quebec sovereignty poll was fielded by Mainstreet Research in June 2025, with a middle field date of June 22, 2025. The poll collected data from a total sample of n=910 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 ±3.2%, 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 2022), opposition to Quebec sovereignty loses eight points from 67% to 59%, and support for Quebec sovereignty loses three points from 33% to 30% (variation similar to moe) among all respondents. You can read more information on this poll here.

Return to the list Quebec sovereignty polls here.