The United States announced on Wednesday that it will not extend the United States-Mexico-Canada Agreement (USMCA) in its current form, initiating a decade-long review process that introduces ongoing uncertainty for businesses operating across North America's closely integrated supply chains. The decision, anticipated by trade observers, means the trilateral pact—which replaced the North American Free Trade Agreement (NAFTA) in 2020 and governs nearly $2 trillion in annual trade—will remain in effect but is subject to annual reviews through 2036 unless all parties agree otherwise.

U.S. Trade Representative Jamieson Greer confirmed that Washington declined to renew the USMCA’s automatic 16-year extension, a move welcomed by Canada and Mexico but effectively resetting the clock on negotiations. Greer indicated that discussions will continue to address perceived shortcomings in the agreement, including measures to reduce the U.S. trade deficit with its key North American partners and bolster "economic security" concerns relating to China’s influence in regional supply chains. A third round of talks with Mexico is planned for later this month.

Since taking office, President Donald Trump has imposed tariffs on Canadian and Mexican goods—25 percent on vehicles and parts and 50 percent on steel and aluminum—undermining some of the agreement’s duty-free provisions. The administration has also proposed tighter rules requiring a higher percentage of U.S. content in automobiles, suggesting a shift from the current 75 percent North American content rule to one mandating that half of the components originate specifically in the United States. Mexico has rejected the idea of imposing stricter U.S.-specific content requirements, and the U.S. push to limit Chinese content and imports in goods crossing the region remains a key negotiation point.

The refusal to extend the pact automatically has generated concerns about its long-term viability and investment certainty. Mexico’s economy minister, Marcelo Ebrard, described the move as complicating growth prospects, noting that Mexican manufacturing, particularly in the automotive sector, has already lost tens of thousands of jobs amid the uncertainty. Canadian Minister Dominic LeBlanc emphasized the agreement’s role in securing predictable access for Canadian businesses to the U.S. and Mexican markets.

Views diverge on the motivations behind the U.S. stance. Some analysts characterize it as part of a broader effort to reshore manufacturing and tighten economic-security scrutiny around supply chains, especially regarding China’s role, which has already strained Mexico’s trade relations with Beijing. Mexico has imposed tariffs on Chinese goods and halted a Chinese plant project under U.S. pressure, while Canada has pursued deeper trade ties with China, including reducing tariffs on Chinese electric vehicles, a move criticized by U.S. officials involved in USMCA oversight.

Others argue that the U.S. decision extends beyond China containment; instead, it reflects a strategic recalibration of North American trade in an era of heightened protectionism. The potential erosion of the trade framework risks forcing Mexico and Canada to seek diversification beyond the continent, affecting industries from automobile manufacturing to agriculture and consumer goods.

The negotiations ahead are expected to be complex, with both Canada and Mexico seeking to retain tariff-free access and minimize disruptions. While the U.S. signals willingness to engage on revisions, some trade experts caution against rushing reforms, noting that replacing integrated supply chains would take years and that abrupt changes could inflict significant economic costs across the region.