Trump administration seeks allied isolation of Iran’s economy, Treasury Secretary Scott Bessent says

President Trump has been urging world leaders to isolate Iran, with the administration’s top finance official describing the effort as an attempt to coordinate economic pressure on Tehran. Treasury Secretary Scott Bessent said President Trump has been speaking directly with international partners to press for participation in measures that would, in the administration’s view, cripple Iran’s economy.

Bessent made the remarks in the context of Iran’s public posture toward outside demands, which he characterized as a defiant tone in response to threats. The administration’s framing links that posture to the logic of collective economic isolation, arguing that alignment by multiple governments is necessary to make pressure more effective.

According to Bessent, the strategy is not confined to U.S. actions alone. He said the president is working to bring other countries into the same campaign of economic restriction, emphasizing that international coordination would increase the impact of the measures on Iran’s ability to sustain trade, finance, and other cross-border economic activity.

The approach also reflects the administration’s broader use of Treasury authorities to target economic channels it says sustain Iran’s regional behavior and capabilities. While Bessent’s comments, as reported, centered on allied coordination and the intended economic effect, they placed Iran’s response to pressure at the center of the administration’s public argument for escalating isolation.

The administration’s request for isolation comes as Iran has continued to publicly resist what it portrays as external intimidation. Bessent’s comments presented that resistance as evidence, from the administration’s perspective, that Iran will not change course without stronger and more unified economic costs.

Diplomatic messaging around the issue is likely to be carried out in parallel with ongoing enforcement and implementation of economic restrictions, with Treasury officials continuing to press partners on compliance and effective follow-through. In practical terms, Bessent’s description suggests the administration will focus on whether other governments will take steps that reach Iran’s financial system and commercial relationships.

For other countries weighing the request, the immediate question is what type of participation they would offer and how quickly they could implement it. Bessent’s statements, however, indicated that the administration’s goal is participation by world leaders sufficient to raise the economic stakes on Tehran beyond what the administration can achieve on its own.

As the administration seeks coordination, Iran’s reaction remains a central variable in the public timeline. With Bessent pointing to Tehran’s defiant tone, the administration appears prepared to treat continued resistance as justification for pressing partners further, while partners balance the economic and political costs of joining the pressure campaign.