Reacting to rising geopolitical tensions and potential safety concerns, the U.S. government urges its citizens to avoid traveling to Iran. This announcement comes amidst deteriorating bilateral relations and several instances of detention of U.S. citizens in Iran. The U.S. Department of State has elevated the travel advisory level to 'Do Not Travel', citing the risks of wrongful detention and prosecution.

Japan, being a close ally of the United States, closely monitors the latter's foreign policy and safety advisories. Japanese citizens generally show significant concern for global security issues, especially those that involve the nations with which Japan has strong ties. This travel advisory could also impact Japanese citizens who may be planning travels to Iran.

The U.S. issuing a travel warning is similar to instances where the EU has issued travel advisories for its citizens. Such advisories are common when countries deem there to be significant risk to the safety and security of their citizens abroad. These advisories exist to provide guidance and protect citizens from potential threats.