The Japanese prime minister is due to present the vision in Vietnam on Saturday, a decade after Shinzo Abe launched the Free and Open Indo-Pacific initiative.
A foreign ministry official said she will urge countries across the region to strengthen autonomy and resilience while deepening economic and security ties.
The strategy comes as Japan seeks to reinforce regional partnerships amid concern over China’s increasingly assertive behaviour in the Indo-Pacific.
With China seen as more stable by Southeast Asia, can Japan’s FOIP vision win over regional partners and reduce reliance on Beijing?
Could Japan’s historic arms export shift and new alliances reshape Southeast Asia’s security balance, or risk sparking a regional arms race?
How might Japan’s push for high-tech warfare and critical mineral partnerships transform its role in global supply chains and energy security?