Canada imposes tariffs on $20B in US goods in response to Trump

Canada just hit back. After weeks of deteriorating trade talks and the implementation of 50% US tariffs on Canadian imports, Ottawa announced retaliatory duties covering approximately $20 billion worth of American goods. The countermeasures, affecting roughly 700 products, will carry tariff rates between 15% and 50% when they take effect on September 8, 2026. The move marks one of the most significant escalations in North American trade tensions in modern history, and it comes with a financial backstop: a C$7.5 billion support package designed to cushion the blow for Canadian businesses and workers caught in the crossfire. What happened and why it matters The US fired first. On August 22, 2026, Trump administration tariffs of 50% on Canadian imports went into effect, targeting roughly $20 billion in goods. The duties hit sectors that form the backbone of cross-border commerce: steel, aluminum, dairy, and appliances. Three days later, on August 25, Canada responded with its own tariff schedule. The Canadian duties mirror the sectors targeted by Washington, applying rates of 15% to 50% across approximately C$27.6 billion (about $20 billion) worth of US imports. Steel and aluminum tar...