Canada will impose retaliatory tariffs on US imports starting September 8 after Washington introduced 50% duties on around $20 billion worth of Canadian goods, escalating tensions between the two long-standing trading partners.
Prime Minister Mark Carney said Canada would respond “dollar for dollar” to protect Canadian workers, farmers, families and businesses. The US tariffs came into effect shortly after midnight on Saturday after three days of trade negotiations ended without an agreement.
Canada prepares retaliatory tariffs
Ottawa’s counter-tariffs will cover American products including steel, dairy, electronics, household appliances, agricultural machinery, pulp and paper, as well as goods already facing what Canada considers unjustified US tariffs.
Carney acknowledged that retaliation carried economic risks but said the government believed the move was in Canada’s national interest.
The latest US duties affect products such as wine, dairy, cement, clothing, furniture, fishing equipment and hockey sticks. They largely spare finished automobiles but affect various manufacturing products and inputs.
The measures come on top of existing US tariffs on Canadian steel, lumber and automobiles. They also apply even to Canadian goods that qualify for preferential treatment under the US-Mexico-Canada Agreement, weakening one of the agreement’s major advantages.
Trade talks collapse
The latest dispute followed negotiations between Canadian Minister for US Trade Dominic LeBlanc and US Trade Representative Jamieson Greer in Washington.
Despite more than a year of discussions, the two sides failed to reach an agreement. Carney suspended the talks and ordered the Canadian negotiating team to return home.
He said Washington had introduced last-minute changes to its proposed terms that Canada considered unfair and economically damaging, questioning whether the US could be relied upon as a negotiating partner.
Canada remains heavily dependent on the US
The dispute highlights Canada’s significant economic reliance on its southern neighbour. More than 70% of Canadian goods exports are destined for the United States, with some estimates putting the figure at 77%.
Trade in goods and services accounts for roughly two-thirds of Canada’s GDP, while exports support nearly one in five Canadian jobs.
Although the latest tariffs directly affect only about 5% of Canada’s goods exports to the US, the broader consequences could include disruptions to integrated supply chains, weaker investment and greater uncertainty surrounding the future of the USMCA.
Canada has some leverage of its own, particularly in energy. It supplies roughly two-thirds of US crude oil imports, making Canadian energy important to American refineries and consumers.
‘America has changed’
Carney said the dispute reflected a fundamental change in Canada’s relationship with the United States, arguing that the two countries could not simply return to their previous relationship.
The confrontation has also extended beyond trade, with US President Donald Trump repeatedly questioning Canada’s economic viability and suggesting it could become the 51st US state.
The collapse of the negotiations has strengthened concerns in Canada that Washington may no longer be a dependable economic partner. Some analysts have warned that the dispute could develop into a broader trade war, although the situation remains capable of changing quickly.
Domestic support for Carney
Several Canadian provincial leaders have backed Ottawa’s retaliatory approach.
Ontario Premier Doug Ford supported matching US tariffs dollar for dollar, while Saskatchewan Premier Scott Moe said the previous status quo in Canada-US relations was no longer sustainable. Former Alberta premier Jason Kenney also supported Ottawa’s refusal to accept what he described as continued pressure from Washington.
Manitoba Premier Wab Kinew similarly argued that Canada should resist US demands rather than make permanent concessions in response to tariffs that could potentially change after the Trump administration.
Canada seeks new trading partners
The dispute has accelerated Carney’s efforts to diversify Canada’s economy away from the United States.
Canadian exports to the US declined 3.7% in 2025, while exports to other markets increased 11.1%. As a result, non-US markets accounted for 32.8% of Canadian exports, their largest share in more than four decades.
Ottawa wants to attract C$1 trillion in investment by 2030, double non-US investment over the next decade and increase exports to markets outside the US by 2035. It is also seeking stronger commercial relationships with countries including India and China.
Plans for a new Pacific Coast oil pipeline, announced by Ottawa and Alberta in July, could further help Canada access Asian markets and reduce its dependence on American buyers.
The immediate concern is whether the tariff dispute will spread into additional sectors. More broadly, the confrontation raises questions about whether the close economic relationship that has defined Canada-US trade for nearly four decades is entering a lasting new phase.
