Tariffs reshaped supply chains
A year into the US tariff reset, trade has not simply returned home but been reorganised regionally, with North American manufacturing integration offsetting some tariffs and the US trade deficit with Mexico rising $25bn to $196bn. Manufacturers are lobbying for predictability under USMCA because stable rules matter more for investment and automation than headline politics. For platform teams this means designing for multi-node sourcing and variable lead times rather than a single ‘reshored’ supply chain model. (rbc.com)
The surprise after a year of higher United States tariffs is that factories did not simply pack up and move back to Ohio or Texas. A lot of production moved one step closer instead, with Mexico absorbing more of the work that used to be spread across longer global routes. (rbc.com) The clearest number is the United States goods trade deficit with Mexico, which rose to $196.9 billion in 2025 from $171.5 billion in 2024. United States goods imports from Mexico reached $534.9 billion in 2025, while exports to Mexico were $338.0 billion. (ustr.gov) That happened even though Mexican goods faced tariffs of 25% to 35% at different points during the year. The Royal Bank of Canada said the increase shows how deeply Mexican plants are tied into United States manufacturing, especially when many shipments still qualified for exemptions under the United States-Mexico-Canada Agreement. (rbc.com) The basic math of modern manufacturing helps explain it. A car, medical device, or appliance can cross the United States-Mexico border several times as parts are stamped, wired, painted, and assembled, so a nearby tariff-friendly route can beat a fully domestic rebuild that takes years. (bakerinstitute.org) That is why “bringing it home” turned into “rebuilding it by region.” Boston Consulting Group wrote in March 2026 that North American industrial supply chains are tightly integrated and that the formal review of the United States-Mexico-Canada Agreement begins in July 2026, with negotiations that could run into 2027. (bcg.com) Companies care about that review because investment decisions are slow and expensive. A new robotics line, warehouse network, or supplier qualification program can take years to pay back, so a tariff that changes by presidential announcement is harder to plan around than a rulebook that stays fixed for a decade. (bcg.com) Mexico is not the only place showing up in the data. The Royal Bank of Canada said the United States deficit with Taiwan almost doubled in the same period, rising by $73 billion to $146.8 billion, which suggests rerouting and specialization rather than a clean retreat from imports. (rbc.com) The agreement at the center of this is the United States-Mexico-Canada Agreement, which replaced the North American Free Trade Agreement in 2020 and now governs roughly $1.8 trillion in annual trilateral trade. On July 1, 2026, the three countries are scheduled to start the six-year joint review built into the deal. (bcg.com) (americanindustriesgroup.com) That makes the real supply-chain story less about one country “winning” and more about how firms redraw maps under pressure. The factories that adapted fastest were often the ones that could split production across the United States, Mexico, and Canada instead of betting on a single all-American line. (brookings.edu)