Mark Carney’s Liberal government moved within one seat of a majority after Markham–Unionville MP Michael Ma crossed the floor from the Conservatives to the government caucus.
In Ma’s statement, he said he informed the Speaker and the Leader of the Opposition that he would be joining the government caucus “after listening carefully to the people of Markham-Unionville in recent weeks and reflecting with my family on the direction of our country.”
“This is a time for unity and decisive action for Canada’s future,” he said.
Ma’s statement emphasized a personal narrative and a policy rationale, saying he came to Canada at 12, was “the youngest of seven,” and that those values guided him in business and Parliament.
“In that spirit, I have concluded that Prime Minister Mark Carney is offering the steady, practical approach we need to deliver on the priorities I hear every day while door knocking in Markham-Unionville,” he explained.
Lmfao guys, they're gonna do it
— Polling Canada (@CanadianPolling) December 11, 2025
They're one seat off from a majority https://t.co/82nyPXUT44
Another CPC MP Michael Ma crosses the floor to join the Liberals.
— Jean Philippe Fournier (@JeanPFournier) December 11, 2025
They are now 1 single seat away from a majority, and they will likely promise whatever it takes to whoever it takes to get it.
We will likely get a Lib majority, even if Canadians did not vote for one.
Conservative leader Pierre Poilievre responded by arguing Ma was elected “as a Conservative” to oppose “Liberal inflationary spending” and that Ma “chose to endorse the very policies he was elected to oppose.” Poilievre added Ma “will have to answer” to Markham–Unionville constituents.
Michael Ma was elected as a Conservative by the constituents of Markham-Unionville to fight against Liberal inflationary spending driving up the cost of living in his community.
— Pierre Poilievre (@PierrePoilievre) December 12, 2025
Today, he chose to endorse the very policies he was elected to oppose. The same policies driving up…
The defection lands differently inside Conservative circles because it did not follow a visible break. It was noted that Ma was at the Conservative Christmas Party recently and “voted with the Conservatives at every vote this week,” which, if true, would make the jump a surprise.
You can have arguments and debates about red vs blue tory, reform vs pc or whatever with d'Entremont crossing, but you can't with this one. Ma was at the Conservative Christmas Party last night, he voted with the Conservatives at every vote this week . This is different & weird. https://t.co/6oZnpIYZWb
— Ben Woodfinden (@BenWoodfinden) December 12, 2025
The latest move follows an earlier Conservative-to-Liberal floor crossing when Nova Scotia MP Chris d’Entremont joined the Liberals, moving Carney’s Liberal to two seats away from a majority at the time.
In d’Entremont’s earlier statement, he similarly framed the decision as a “better path forward” and praised Carney’s approach, while the reporting noted he had considered crossing around Budget 2025 and had recently clashed with his caucus, including around his bid for Speaker.
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