The India-Japan Special Strategic and Global Partnership is a concept and a multi-dimensional bilateral alliance, considered the most consequential in the Indo-Pacific region. It was formally established with the Tokyo Declaration for India - Japan Special Strategic and Global Partnership on September 1, 2014. The partnership was created to affirm a shared belief that a closer strategic relationship is indispensable for advancing peace, stability, and prosperity in the interconnected Asia, Pacific, and Indian Ocean Regions, driven by the need to respond to a shifting geopolitical landscape.
The partnership operates through mechanisms like annual summits and the 2+2 dialogue involving Foreign and Defence Ministers. Key provisions include defense cooperation, such as the regularization of bilateral maritime exercises and Japan's continued participation in the Malabar series of exercises. Economically, it is anchored by flagship projects like the Mumbai-Ahmedabad High-Speed Rail (MAHSR), which utilizes Japan's Shinkansen technology. The 2025 Joint Vision for the Next Decade outlines eight pillars of cooperation and sets a new target of JPY 10 trillion in private investment from Japan to India, building on the earlier JPY 5 trillion target.
The partnership is closely connected to Japan's "Free and Open Indo-Pacific" (FOIP) vision and India's "Act East Policy". It is also reinforced by the multilateral Quadrilateral Security Dialogue (Quad), which includes the US and Australia. A significant recent change occurred in April 2026, when Japan reviewed its "Three Principles on Transfer of Defence Equipment and Technology", expanding the scope of permissible defense exports, a move welcomed by India's Ministry of External Affairs (MEA) for strengthening security and industrial collaboration. The core of the partnership, a multi-dimensional alliance addressing security, economic, and technological challenges, remains the same.