Ontario provincial polling averages

The following are ThreeHundredEight.com's weighted polling averages for Ontario, which is tentatively scheduled to hold a provincial election on June 14, 2018. These weighted averages were last updated on May 20, 2016.

Polls included in the aggregation are weighted by date, sample size, and the track record of the polling firm. Full methodological details can be found here.

The chart below is an unweighted average of all polls conducted in each month going back to January 2010.

Seat projections will be added to this page in the future.

Ontario Polls

All polls published since the beginning of 2016 are listed below. Parties are ordered by finishing position in the 2014 election.

Forum Research (Apr. 25, 2016)
34% OLP, 39% PC, 21% NDP, 5% GPO, 2% OTH
Forum Research (Mar. 23, 2016)
30% OLP, 40% PC, 24% NDP, 5% GPO, 2% OTH
Forum Research (Feb. 26, 2016)
27% OLP, 44% PC, 22% NDP, 6% GPO, 2% OTH
Mainstreet Research (Feb. 16, 2016)
33% OLP, 36% PC, 26% NDP, 5% GPO, 0% OTH


2014 Ontario provincial election