US tariffs could rise to 15% or more after supreme court blow, trade representative says

Jamieson Greer warns tariffs may climb from 10% after Trump imposed global levy amid US supreme court setback

The US tariff rate for some countries will go up to 15% or higher from the newly imposed 10%, Jamieson Greer, the US trade representative, said on Wednesday, without naming any specific trading partners or other details.

“Right now, we have the 10% tariff. It’ll go up to 15 [%] for some and then it may go higher for others, and I think it will be in line with the types of tariffs we’ve been seeing,” Greer said in an interview on Fox Business Network’s Mornings with Maria program.

Why This Matters

The US trade representative has warned that tariffs could rise to 15% or more, following a recent Supreme Court setback. This development has significant implications for global trade, particularly for countries that have been affected by the existing 10% tariffs. As the US continues to navigate its trade policies, the potential increase in tariffs could have far-reaching consequences.

In Week 9 2026, UK Politics accounted for 217 related article(s), with UK Politics setting the broader headline context. Coverage of UK Politics increased by 5 article(s) versus the prior week, signaling growing editorial attention.

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Context

The imposition of tariffs has been a contentious issue in recent years, with various countries and industries impacted by the trade measures. The Guardian and other outlets have reported on the potential consequences of the tariff increases, highlighting concerns from businesses and trade experts. The UK, as a significant trading partner of the US, will likely be closely watching the developments in this area.