This is false. According to the White House, the number is based on the U.S. trade deficit with Canada and higher military spending by the U.S., including expenditures associated with the North American Aerospace Defense Command,

Mark Carney immediately rejected Trump's claim in the Oval Office that the U.S. doesn't "do much business" with Canada.

U.S. President Donald Trump holds a letter from Britain's King Charles as he meets with British Prime Minister Keir Starmer in the Oval Office at the White House in Washington, D.C., U.S., February 27,

The United States and Britain are expected to announce a trade deal Thursday that will lower the burden of President Donald Trump’s sweeping tariffs and deliver a political victory for U.K. Prime Mini

With time running out on his 90-day tariff pause, Donald Trump and his team have yet to announce a new trade agreement.

China and the US will hold their first trade talks since President Donald Trump took office and more than a month after the two sides imposed tariffs of more than 100% on each other.