Ford support drops, but maintains lead over rivals

After a tumultuous spring marked by a deadly third wave of the COVID-19 pandemic in Ontario, Doug Ford's Progressive Conservative Party has taken a substantial hit in popular support according to a new Mainstreet Research poll of Ontario voters.

When Mainstreet last took the pulse of Ontario voters back in February, Doug Ford enjoyed a crushing 18-point lead over its rivals, with a level of support even surpassing its 2018 majority victory results. This week however, Mainstreet measures the PC has shed some notable support since, with both the Ontario Liberals and ONDP gaining ground in the horse race. 

Read this column here.

For details on this Ontario projection, visit the 338Canada Ontario page. Find your home electoral district on this page or use the regional links below:

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Mainstreet Research conducted its poll on May 15-16, 2021, among a sample of 1,047 potential Ontario voters using IVR technology. This probabilistic poll has a margin of error of ±3 per cent, 19 times out of 20. You may find the full report and tables here

Philippe J. Fournier is the creator of Qc125 and 338Canada. He teaches physics and astronomy at Cégep de Saint-Laurent in Montreal. For information or media request, please write to

Philippe J. Fournier est le créateur de Qc125 et 338Canada. Il est professeur de physique et d'astronomie au Cégep de Saint-Laurent à Montréal. Pour toute information ou pour une demande d'entrevue médiatique, écrivez à