Trump Enforces 25% Tariffs on Iran-Allying Nations, Including China

President Donald Trump has announced a significant increase in tariffs on nations that conduct business with Iran. Effective immediately, a 25% tariff will be imposed on all goods from countries maintaining trade relations with the Islamic Republic of Iran. This announcement raises the stakes for American relations with major trading partners, particularly China.
Details of the New Tariff Announcement
Trump made the announcement via a post on Truth Social, stating, “Any Country doing business with the Islamic Republic of Iran will pay a Tariff of 25% on any and all business being done with the United States of America.” This order is being described as “final and conclusive.”
The White House has not provided further details on the implementation specifics of this tariff. There are uncertainties regarding the definition of “doing business” with Iran and how these tariffs will be applied to services and goods.
Reactions from China
China, a significant economic partner of both Iran and the United States, expressed strong opposition to the new tariff. Chinese foreign ministry spokesperson Mao Ning stated, “There are no winners in a tariff war, and China will firmly safeguard its legitimate rights and interests.”
Impact on Trade
- Current tariffs on Chinese goods are set to rise from 20% to a minimum of 45%.
- In 2025, China exported $6.2 billion worth of goods to Iran and imported $2.85 billion.
- China has been a key player in Iran’s oil trade, reportedly accounting for over 90% of imports.
This tariff increase compounds existing trade tensions, where Trump had previously raised tariffs on Chinese goods to as high as 145% last year. Concurrently, he implemented a minimum tariff of 50% on goods from India, targeting its oil purchases from Russia.
Legal Challenges and Future Implications
Trump’s authority to implement such tariffs stems from the International Emergency Economic Powers Act. However, this reliance on the law is currently under scrutiny by the Supreme Court, which is expected to issue a ruling soon.
If the court finds Trump’s actions lacking legal authority, it could prevent him from adjusting tariffs without strict limitations. This outcome may also require the U.S. government to refund over $130 billion in tariffs collected under the current framework.
As tensions rise globally, the implications of these tariffs will likely reverberate through international markets and economic relationships.



