In April, administration officials vowed to sign trade deals with as many as 90 countries in 90 days. The ambitious target came after Mr. Trump announced, and then rolled back a portion of, steep tariffs that in some cases meant import taxes cost more than the wholesale price of a good itself.

German Chancellor Friedrich Merz is set to meet President Trump at the White House, where they are expected to discuss issues including the wars in Ukraine and Gaza, as well as tariffs and trade.