📌 The Canadian federal electoral district of Markham—Unionville was contested in the 2006 election.

🏆 John McCallum, the Liberal candidate, won the riding with 32,769 votes (61.9% of the vote).

🥈 The runner-up was Joe Li (Conservative) with 14,153 votes (26.7%), defeated by a margin of 18,616 votes.

📊 Other notable candidates: Janice Hagan (N.D.P., 8%).