Statistics Canada reported on Oct. 6 that merchandise exports rose 2.5 per cent in August, while imports fell 2.0 per cent. That widened Canada’s global merchandise trade surplus from C$787 million in July to C$4.2 billion in August, marking a sixth straight monthly surplus.
The U.S. trade balance did most of the work
The clearest signal came from Canada’s trade with the United States. Exports to the U.S. rose 8.1 per cent in August, while imports from the U.S. fell 2.5 per cent. Canada’s merchandise trade surplus with the United States nearly doubled from C$6.1 billion in July to C$11.2 billion in August, which Statistics Canada said was the largest positive monthly change ever recorded in that bilateral balance.
The arithmetic shows how concentrated the gain was. Canada’s total goods surplus improved by about C$3.4 billion from July to August. The U.S. surplus alone widened by C$5.1 billion, while the deficit with countries other than the United States widened by C$1.7 billion, from C$5.3 billion to C$7.0 billion.
Tariff timing changed the month
The tariff timeline explains why August is a tricky month to read. Canada’s Department of Finance said the United States imposed 50 per cent tariffs on C$27.6 billion of Canadian goods effective Aug. 22. The Office of the United States Trade Representative had earlier described the Section 338 actions as additional 50 per cent tariffs on nearly US$20 billion in imports from Canada.
Statistics Canada said tariff announcements may influence trade patterns by prompting importers to increase shipments before duties take effect to avoid added costs. Global News cited economists at CIBC and RBC who described August’s export strength as tariff front-running and expected some of the boost to reverse in September. Reuters also reported that economists were looking to September for a clearer view of the tariff impact.
Some of the export strength was still broader than tariffs
Tariff timing was not the only force in the data. Statistics Canada reported export gains in eight of 11 product sections, and total export volumes rose 2.5 per cent. Energy exports increased 4.7 per cent, the first gain in that category since April, with refined petroleum products up 17.4 per cent.
Consumer goods exports rose 6.6 per cent, helped by higher shipments of gold and silver coins to the United States. Industrial machinery, equipment and parts rose 10.1 per cent, reaching the highest level since January 2025. Electronic and electrical equipment and parts increased 11.0 per cent, with Statistics Canada noting that various products in that category were targeted by new U.S. tariffs in August and contributed significantly to the monthly increase.
The Canadian dollar also complicates the reading. Statistics Canada said the average value of the Canadian dollar increased 1.1 U.S. cents from July, its strongest monthly increase since December 2025. Since many trade transactions are priced in U.S. dollars and converted to Canadian dollars for monthly statistics, a stronger Canadian dollar lowers reported Canadian-dollar trade values all else equal. Measured in U.S. dollars, Canadian exports rose 4.0 per cent in August, while imports fell 0.6 per cent.
September will be the harder test
September data will carry three effects that August did not fully capture: a full month of U.S. tariffs, Canada’s Sept. 8 counter-tariffs and the possible payback from shipments pulled forward into August.
Canada’s countermeasures cover C$27.6 billion of U.S. imports at rates of 15, 25 and 50 per cent, focused on sectors such as steel and aluminum, dairy, appliances, agricultural equipment, pulp and paper, plastics and electronics. The Canada Gazette said applicable surtaxes apply in addition to any customs duties and do not apply to relevant U.S. goods already in transit to Canada on or before the order’s effective date.
For Canadian businesses that depend on cross-border equipment, electronics, components or finished goods, the August surplus should not be read as proof that trade costs have settled. It is better evidence that tariff deadlines can distort order timing, inventory decisions and monthly trade data.
Statistics Canada is scheduled to release September merchandise trade data on Nov. 4.
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