About this Ontario poll from Liaison Strategies
This Ontario poll was fielded by Liaison Strategies in May 2026, with a middle field date of May 16, 2026. The poll collected data from a total sample of n=1,000 Ontario 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 ±3.1%, 19 times out of 20 (for entire sample only) around the 50%-mark.
If we compare these national numbers with the previous poll from Liaison Strategies (April 2026), the Ontario Liberal Party is down one point (variation smaller than moe), the Ontario PC Party is up one point (variation smaller than moe), and the Ontario NDP remains stable at 20%.
You can read more information on this poll here.