Business
Why Canada Has Become a Target in Trump’s Escalating Trade War
Canada may appear to be an unlikely target in the United States’ expanding trade conflict, given the close economic relationship between the two count...
By Wavers Multimedia
The United States buys more from Canada than from any other country, while Canada is also one of the most important foreign markets for American farmers. A North American trade agreement negotiated during President Donald Trump’s first term allows most American products to enter Canada without tariffs.
Despite that close relationship, tensions between the two longtime allies have sharply increased in recent weeks.
Trump has accused Canada of taking advantage of the United States and protecting its industries at America’s expense. The dispute intensified after trade negotiations broke down on Aug. 21, with the U.S. president also repeatedly raising the possibility of Canada becoming the 51st U.S. state.
Last month, Trump imposed a 50% tariff on $20 billion worth of Canadian products, citing what he described as unfair treatment of American automobile, dairy and alcoholic beverage exports.
Canada responded with tariffs of its own, prompting Trump to threaten additional measures. These include restricting Canadian companies from U.S. government contracts and banning certain Canadian products, including some motorcycles, dairy products and most alcoholic beverages.
Canada remains highly dependent on international trade
The dispute is particularly significant for Canada because international commerce plays a major role in its economy.
Trade accounts for about 64% of Canada's economic output, compared with about 25% for the United States.
Canada is also generally ranked among the world's more economically open countries. Before the latest escalation, Canada's effective tariff rate on U.S. imports was estimated at about 2.4%, less than half the 5% rate the United States had imposed on Canadian imports.
Most American exports entering Canada are covered by the United States-Mexico-Canada Agreement and therefore move across the border duty-free.
Dairy becomes a major point of dispute
One of the most contentious areas in the trade dispute is Canada's dairy industry.
Canada protects its dairy producers through a supply-management system that limits foreign competition. Once certain import quotas are exceeded, tariffs on dairy products can rise above 200%, with some products such as butter facing tariffs approaching 300%.
The system has been criticized by American officials and producers for years, although Canada maintains that its approach protects an important domestic industry.
Trump has accused Canada of preventing American dairy farmers from selling into the Canadian market. However, the United States agreed under the USMCA to allow Canada to maintain its supply-management system while also securing greater access for American dairy producers.
That access has expanded. U.S. dairy exports to Canada increased by more than 11% last year, following an 8% increase in 2024.
The United States also already runs a significant dairy trade surplus with Canada. American dairy producers exported about $1.3 billion worth of products to Canada last year, while imports from Canada were about $585 million.
Oil explains much of the U.S. trade deficit
Another major issue is the overall trade balance between the two countries.
The United States recorded a $27.3 billion trade deficit with Canada last year, a figure Trump has criticized.
However, much of that deficit is connected to energy. Canada exported more than $85 billion worth of crude oil to the United States in 2025.
American refineries in the Midwest depend heavily on the heavy crude produced from Alberta's oil sands. Those refineries are specifically designed to process that type of oil, making it difficult to quickly replace Canadian supplies with crude from other sources.
Canadian crude also sells at a discount compared with the U.S. benchmark price, further strengthening its importance to American refiners.
Both countries have reasons to reach a deal
Despite the increasingly bitter dispute, the economies of the United States and Canada remain deeply connected.
Canada sends about 70% of its exports to the United States, while American industries depend on Canadian supplies of oil, potash fertilizer and electricity.
That interdependence could provide an incentive for both sides to return to negotiations.
The latest U.S. restrictions on some Canadian products are not scheduled to take effect until Sept. 29, leaving time for further talks.
Canadian Prime Minister Mark Carney has said his government remains willing to reach an agreement, while Trump and his trade negotiators are pushing Canada to move some manufacturing activity to the United States.
However, such demands could prove difficult for Ottawa to accept, particularly as Canada seeks to protect its industries and reduce its dependence on its southern neighbor.
The dispute also threatens the broader North American economic system built around the USMCA, including the highly integrated automobile industry spanning the United States, Canada and Mexico.
For now, the two countries remain locked in a trade confrontation that is increasingly difficult to reconcile with the decades of economic cooperation that have made them among each other's most important trading partners.