About this Ontario poll from Ipsos

The margin of error [moe] for this poll is estimated at ±3.5%, 19 times out of 20 (for entire sample only) around the 50%-mark.

If we compare these national numbers with the previous poll from Ipsos (February 2025), the Ontario PC Party loses six points from 48% to 42%, the Ontario Liberal Party climbs seven points from 28% to 35%, and the Ontario NDP climbs two points from 16% to 18% (variation smaller than moe).

You can read more information on this poll here.