“Tariffs have been applied in a staggered manner: The earliest tariffs went into effect in February (China, non-USMCA goods) and March (steel, aluminum), but the bulk were not announced or applied until April or later.”

Prices are now starting to rise because of tariffs. Economists say this is just the beginning | CNN Business

“President Trump made his latest tax increases permanent on Friday with the announcement of tariff hikes on imports from countries that didn’t negotiate a deal with the administration since April 2—aka Liberation Day.”

Opinion | Trump Turns His Back on Venezuela

“Beginning in February 2025 with his tariffs against Canada and Mexico, Trump has invoked the International Emergency Economic Powers Act (IEEPA) to authorize his unilateral modification of the Harmonized Tariff Schedule. Trump used IEEPA in April, and again last summer, to impose his not-so-reciprocal tariffs on imports from all around the world, the burden of which has been almost entirely borne by Americans.”

House vote clears path to challenge Trump’s Canada tariffs

“Trump imposed "reciprocal" tariffs on nearly every country in the world last year, citing the "unusual and extraordinary threat to the national security and economy of the United States" that "large and persistent annual U.S. goods trade deficits" posed. This included a 31 percent tariff on goods from Switzerland. He later modified rates in July, which included raising Switzerland's to 39 percent. ... Trump dropped the rate to 15 percent in November—not after economic concessions but when the Swiss gave him expensive gifts.”

Trump imposed 39 percent 'emergency' tariffs when Switzerland hurt his feelings

“The forecast comes as tariffs on dozens of countries around the world that had been announced, postponed and then finally enacted after months of negotiations and deals began to take effect this week.”

Import Levels Expected to Post Decline in 2025 Due to Tariffs