The geopolitical stakes are high for dairy analysts and producers, as the 2026 “sunset clause” requires all three nations to formally agree to extend the deal for another 16 years. Trump’s rhetoric suggests that a simple renewal is off the table; instead, he views the review as a “renegotiation” opportunity. By framing Canada’s dairy protections as a barrier to fair trade, the incoming administration is putting immense pressure on Ottawa to choose between domestic agricultural stability and the broader benefits of North American continental trade.

Data from the previous USMCA negotiations underscores the sensitivity of this sector. While the current agreement granted U.S. farmers slightly more access to the Canadian dairy market, American officials argue that Canada has failed to implement those changes in good faith. Trump’s recent focus on “fairness” in agricultural trade indicates that the U.S. will likely demand even more aggressive concessions, potentially threatening the viability of the supply management model that Canadian dairy farmers consider essential for their livelihoods.

For the manufacturing and export sectors, this uncertainty creates a complex investment climate. If the CUSMA review fails to reach a consensus, the agreement could eventually expire, reverting trade relations to a state of high-tariff unpredictability. Canadian officials have expressed a willingness to defend their agricultural interests, but the sheer scale of the U.S. market gives Trump significant leverage. The debate is no longer just about milk quotas; it is about the structural future of integrated North American food supply chains.