ESTABLISHED 2024 A CIVIC RECORD — CONFIRMED ACTIONS, CONFIRMED FACTS May 17, 2026

Proclamation imposing 25% tariff on aluminum imports

President Trump signed Proclamation 2018-19283 on August 29, 2018, imposing a 25% tariff on aluminum imported into the United States under national security authority. The tariff applied to aluminum from all countries except Canada. American manufacturers using imported aluminum faced increased input costs, which were passed to consumers through higher prices for vehicles, appliances, construction materials, and other aluminum-containing products.