The White House says fentanyl smuggled to the U.S. justifies tariffs against Canada, China and Mexico. But fentanyl deaths and smuggling have been dropping fast — and Canada plays almost no role.

President Trump followed through on his threat to impose steep new tariffs on imports from Mexico, Canada, and China. But he pushed back the effective date until Tuesday.

Starting Tuesday, nearly all imports from Canada and Mexico will be charged a 25% tariff, while goods from China will be charged a 10% tariff.