Canada and the US Are Slapping Taxes on Each Other's Products — Here's What's Going On
Canada will put new taxes on C$27.6bn (£14.6bn) worth of US products starting September 8, 2026. Finance Minister François-Philippe Champagne and Industry Minister Mélanie Joly announced the move on August 25. The taxes, called tariffs, will affect more than 700 types of goods coming from the United States. Most will carry a 25% or 50% charge, with a smaller group — including air conditioning units and tool parts — set at 15%. The targeted products include steel, dairy, appliances, farm equipment, pulp and paper, cosmetics, wood products, and outdoor gear The Guardian.
A tariff is a tax that a country places on goods coming in from another country. It makes those goods more expensive, which can push buyers toward domestic alternatives. Canada is using these tariffs as a direct response to tariffs the US placed on Canadian goods just days earlier.
Those US tariffs took effect on Saturday, August 22, after trade talks between the two countries broke down on Friday, August 21. The White House used a law called Section 338 of the Tariff Act of 1930 — a rarely used rule that lets the President add special taxes on countries believed to treat US products unfairly. The administration said Canada's trade policies, including provincial bans on US alcohol, were the reason The Guardian. The US measures added a 50% tax on about $20bn worth of Canadian goods, across three lists covering dairy products (milk, cream, whey, caseinates, lactose, and cheese ingredients), power tools, armoured safes, locks, brewery machinery, and refrigerating or freezing equipment Newsweek; CTV News.
Prime Minister Mark Carney had promised a "dollar-for-dollar" response — meaning Canada would match the US measures in scale — and suspended trade talks with the US. No further negotiations are scheduled Reuters. The Canadian tariffs apply only to goods that come from the United States The Guardian.
This is not the first time Canada has pushed back. In March 2025, Canada placed 25% tariffs on C$29.8bn in US imports, targeting steel, aluminum, and automobiles. Since then, Canada has added matching tariffs on C$12.6bn in steel and additional aluminum products Government of Canada; Global Affairs Canada. The August 25 announcement also adds more than C$7bn in support for Canadian businesses, on top of over C$20bn already committed over the previous 18 months The Guardian.
Champagne, after meeting with provincial and territorial finance counterparts, said Canada remained "masters of our own home." Joly called on businesses and consumers to buy Canadian goods as part of a broader "resistance" movement in the trade war The Guardian.
The language from both sides has grown sharper. Ontario Premier Doug Ford called Trump a "loser" and the "king of bankruptcies" and threatened to cut electricity and rare earth metal exports to the US. Trump called Ford a "flunky" of "Governor Carney" and warned the leaders to "fall in line" or face far worse consequences for Canada The Guardian. Trump also said he was giving "serious consideration" to renaming Lake Ontario to "Lake America," and denied reports he would interfere with Canadians speaking French, calling the claim "a lie ... made up by a weak and ineffective Prime Minister" The Guardian. On August 24, Trump threatened to raise tariffs to 50% on all cars and trucks imported from Canada Reuters.
The broader context here is a deepening split between two countries whose economies have long been tightly connected. Think of Canada and the US as neighbors who share a kitchen — when one raises the price of ingredients, the other feels it right away. Canada's retaliatory tariffs have grown larger and more specific across several rounds since March 2025, and the US use of Section 338 raises the legal stakes. The inclusion of dairy on both sides is especially sensitive, because Canada runs a system called supply management — it controls how much dairy is produced and sets prices to protect its farmers — which the US has long disputed under trade agreements.
Carney's suspension of negotiations, combined with the two-week gap before the Canadian tariffs take effect, leaves little room for a diplomatic way out. The C$7bn in extra business support suggests Ottawa expects the disruption to last, not to blow over quickly. Ford's threat to restrict electricity and rare earth exports, while not yet enacted, could push the conflict beyond taxes on goods and into critical infrastructure and strategic minerals. Whether the September 8 start date becomes a deadline for a deal or just the next step in a longer fight will depend on whether either side feels the economic pain outweighs the political benefit of holding firm.
