About this Ontario poll from Mainstreet Research
This Ontario poll was fielded by Mainstreet Research in December 2020, with a middle field date of December 5, 2020. The poll collected data from a total sample of n=1,014 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.
The regional breakdown of this poll was not made publicly available.
If we compare these national numbers with the previous poll from Mainstreet Research (June 2020), the Ontario PC Party climbs four points from 42% to 46%, the Ontario NDP remains stable at 23%, and the Ontario Liberal Party loses eight points from 28% to 20%.
You can read more information on this poll here.