President-elect Donald Trump has threatened tariffs of 25% on imports from Canada and Mexico until fentanyl and undocumented migrants stop flowing over US borders. Canada says it has a plan to boost border security — and points to US government data that show most of the problems come from Mexico.

President-elect Donald Trump promised to impose a 25% tariff on all goods from Mexico and Canada on his first day in office. Imports from Mexico and Canada totaled $900 billion in 2023. Trump has proposed tariffs as a solution to government funding.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.