The NDP finished only five points ahead of the Liberals in the popular vote, but due to the nature of the first-past-the-post electoral system, which ignores the popular vote and awards power based on the number of ridings won, the NDP's gains in the GTA decimated the Liberal caucus.

Peterson himself was heavily defeated in London Centre by NDP challenger Marion Boyd, losing by 8,200 votes, one of the few times a provincial premier has lost their own seat.

Although Harris was from northern Ontario, the Tories were particularly weak in that region, placing fourth, behind the Liberals, NDP, and the right-wing Confederation of Regions Party (CoR) in six northern Ontario ridings (Algoma, Cochrane South, Nickel Belt, Sudbury, Sudbury East, and Sault Ste.

Those candidates not belonging to a major party, receiving more than 1,000 votes in the election, are listed below: Tony Rizzo (NDP) became an independent MPP on October 10, 1990, after questions were raised about labour practices in his bricklaying firms.

Dennis Drainville (NDP) became an independent MPP on April 28, 1993, as a protest against the Rae government's plans to introduce casinos to the province.

In addition, four seats were vacant in the final months of the legislature, as the sitting members resigned and by-elections were not held to replace them before the 1995 election: