Will Japan Step Up as the US Seeks Support in Iran War?

A meeting between US President Donald Trump and Japan’s Prime Minister Sanae Takaichi comes at a time of heightened global tension, as the war involving Iran disrupts energy markets and key shipping routes.

Central to discussions was the Strait of Hormuz, a critical corridor for global oil flows and a vital supply route for Japan, which relies on the Middle East for more than 90% of its energy imports.

During the talks, Trump called on allies, including Japan, to increase their contributions to securing maritime routes and stabilizing energy supplies. Japan, while signaling willingness to support international efforts, faces legal and political constraints that limit its ability to engage in direct military operations.

Tokyo has already taken steps to mitigate risks, including releasing reserves from its strategic oil stockpile. At the same time, it has emphasized a cautious approach, focusing on non-combat roles and diplomatic coordination.

The meeting reflects broader questions about how alliances respond to overlapping crises, particularly as global energy security becomes increasingly tied to geopolitical developments.

It also underscores the balancing act facing Japan as it seeks to maintain its alliance commitments while navigating domestic limitations and regional sensitivities.