What is the name of the leader of the Opposition in Ontario?

Answer: Marit Stiles

Marit Stiles (Ontario NDP) is Leader of the Official Opposition in Ontario as of July 2026, continuing after the 2025 provincial election.

All answer choices

• ✗Andrea Horwath
• ✓Marit Stiles (correct answer)
• ✗Peter Tabuns
• ✗Dalton McGuinty

This practice question is based on Discover Canada, the official study guide for the Canadian citizenship test. It appears in our Ontario practice pack.