Donald Trump's insistence that "spoiled" Japan imports more US rice is adding to Prime Minister Shigeru Ishiba's problems ahead of elections that could sink his premiership after less than a year in office.

US President Donald Trump on Wednesday threatened Brazil with a crippling tariff of 50% starting August 1, according to a letter he sent to the country’s president, Luiz Inácio Lula da Silva.

President Donald Trump has intensified his trade agenda, announcing tariff letters sent to seven nations—Sri Lanka, Algeria, Iraq, Libya, Philippines, Moldova, and Brunei—promising levies up to 30 per cent starting 1 August unless trade deals are secured.

Trump announced the United States would impose new tariffs on imports from several additional countries as part of his drive to reduce the trade deficit and promote fair trade.

President Trump has announced — but postponed the effective date for — higher tariffs once again. Here's what to know about the latest on his tariff policy.

President Donald Trump's threats to impose high tariffs on countries make U.S. trading partners and investors nervous. But his sector tariffs could hurt consumers and businesses more in the long run.

Instead of treating tariffs as part of a broader trade policy, President Trump views them as a valuable weapon he can wield on the world stage.