While South Korean imports to the U.S. face 25% tariffs, the same as Trump promised in April, the rate on Japan has been raised by 1 percentage point to 25%.

Trump's renewed firmness on that deadline came after he posted a flurry of letters warning world leaders, threatening to impose tariffs similar to those he announced in April. On

Trump said the United States would impose tariffs of 25% on goods from Tunisia, Malaysia and Kazakhstan, with levies of 30% on South Africa, Bosnia and Herzegovina, climbing to 32% on Indonesia, 35% on Serbia and Bangladesh, 36% on Cambodia and Thailand; and 40% on Laos and Myanmar. A deal with India was close, Trump added.