In a recent announcement that could have significant ramifications for the Canadian economy, U.S. President Donald Trump revealed plans to impose tariffs on copper imports. This move comes at a time when Canada is already facing economic challenges due to existing levies on aluminum, steel, and automotive products. Trump communicated his intentions to the press at the White House, stating that he would formalize the tariff announcement later in the day.

The United States represents a crucial market for Canadian copper exports, accounting for a staggering $4.8 billion, or approximately 52 percent, of all copper exports from Canada. Despite the U.S. being a larger producer of copper compared to Canada, it still relies heavily on imports to meet its domestic demand. In fact, recent data from the U.S. Geological Survey indicates that Canada provided an impressive 99 percent of the U.S.’s copper concentrates in the previous year, and was responsible for 17 percent of its refined copper imports, trailing only behind Chile.

Trump’s strategy to impose tariffs is primarily aimed at stimulating domestic production of copper in the U.S., a move he argues will bolster the American economy. However, the ramifications for Canadian companies are expected to be substantial, particularly for those operating in eastern Canada.

Among the companies poised to feel the impact of these tariffs is Glencore PLC, which manages the Horne copper smelter located in Quebec. The eastern Canadian operations are likely to be hit hardest by the tariffs, given their proximity to the U.S. market. Conversely, Canadian mines situated on the west coast may experience some insulation from the impending measures, as they predominantly export their copper to markets in Asia and Europe.

For instance, Teck Resources Ltd. ships the copper mined from its Highland Valley mine, known as Canada’s largest copper mine, primarily to Asia and Europe. Similarly, Taseko Mines Ltd., which operates the Gibraltar mine in British Columbia—Canada’s second-largest copper mine—also directs most of its copper exports to Asia for processing. As the situation evolves, the full impact of these tariffs on the Canadian mining sector will continue to unfold, raising questions about trade relations between Canada and the United States.