The Quad, ASEAN and the Indo-Pacific: The Ocean Between Power and Choice

The four countries bring military capability, technology, capital and tactical weight. ASEAN brings regional legitimacy and institutional reach. The Quad can help shape the Indo-Pacific, while ASEAN can help legitimise it. The region itself will decide whether that architecture survives.

There is an old lesson hidden in the geography of Asia: the sea connects what politics keeps trying to divide. Today, the Indo-Pacific has emerged as a vast maritime theatre where trade routes, military power, critical minerals, technology, energy and supply chains intersect with the ambitions of competing powers. This broad stretch of water is central to global geopolitics.

The latest meeting of the Quad foreign ministers in Manila focused largely on this strategic domain and carried a message larger than the familiar vocabulary of a typical diplomatic gathering. India, the United States, Japan and Australia reaffirmed their partnership while simultaneously acknowledging that the region has its own institutional centre of gravity, and that centre is ASEAN.

External Affairs Minister Dr S Jaishankar, US Secretary of State Marco Rubio, Australian Foreign Minister Penny Wong and Japanese Foreign Minister Toshimitsu Motegi met as ASEAN Comprehensive Strategic Partners and forwarded their commitment to a free and open Indo-Pacific, alongside what they described as "unwavering support" for ASEAN unity and centrality. The Quad understands that its future influence will depend partly on whether Southeast Asia sees it as a useful regional partner or another mechanism for great-power competition.

The Region That Refuses to Pick a Side

The Indo-Pacific accounts for more than half of global GDP and around 60 per cent of global maritime trade. Whoever influences the rules governing its waters, ports, digital networks, supply chains and energy corridors will possess influence far beyond Asia.

For many Southeast Asian states, China is both indispensable and unsettling. Beijing is a major trading partner and economic force, while its assertiveness in the South China Sea creates security concerns. Countries such as the Philippines and Vietnam have direct maritime disputes with China, while others remain wary of being pulled into confrontation between Washington and Beijing.

Southeast Asia has little interest in choosing a geopolitical camp simply because great powers demand it, and this is where ASEAN's relevance becomes unmistakable. With a combined GDP of roughly USD 3.8 trillion and a population exceeding 680 million, ASEAN is far too consequential for its centrality to be shunted aside. Its diplomatic architecture allows countries with sharply different interests to remain at the same table. The Quad's embrace of ASEAN is therefore a tactical necessity disguised as diplomatic courtesy.

The four countries bring military capability, technology, capital and tactical weight. ASEAN brings regional legitimacy and institutional reach. The Quad can help shape the Indo-Pacific. ASEAN can help legitimise it. The region itself will decide whether that architecture survives.

The Quad Was Born in a Disaster Zone

When the Indian Ocean tsunami struck in December 2004, India, the United States, Japan and Australia coordinated humanitarian relief and disaster response. That cooperation eventually contributed to the emergence of the informal grouping that became the Quad.

The Quad was born not in a war room, but in a disaster zone. That origin offers a clue about where it is headed. Its most persuasive contribution may come from delivering public goods that societies can see and use, rather than simply projecting opposition to China. The Manila statement's emphasis on maritime security, economic prosperity, critical technologies and humanitarian assistance reflects this wider ambition. The Quad wants its relevance to extend from the map to the everyday realities of regional resilience.

The meaning of power is changing. A port can become a vital asset. A rare-earth supply chain can become a geopolitical vulnerability. Undersea cables can matter as much as naval bases. Energy infrastructure can influence diplomacy, while cybersecurity can determine a government's resilience during a crisis.

The Indo-Pacific is now a contest over networks. The four Quad countries represent nearly two billion people and roughly one-quarter of global GDP. The onus falls on them to turn that collective weight into partnerships that make the region more secure, connected and resilient.

The Shadow Lurking in Every Room

China remains the unavoidable factor. The Quad's expanding agenda on maritime awareness, critical minerals and energy security responds to China's growing military and economic influence. Recent initiatives include strengthening maritime domain awareness, improving port infrastructure in Fiji, advancing an Indo-Pacific energy security initiative and deepening cooperation under the Quad Critical Minerals Initiative.

Countries cannot exercise meaningful autonomy if their energy supplies, mineral resources, technology ecosystems or critical infrastructure depend excessively on a single external power.

The South China Sea illustrates the stakes clearly as it is estimated to contain around 11 billion barrels of oil and 190 trillion cubic feet of natural gas in proved and probable reserves, while carrying some of the world's busiest maritime trade routes. Its importance extends from national sovereignty to global energy security.

If the Quad appears designed solely to contain China, it risks losing the regional support it needs. China is deeply embedded in Southeast Asia's economic life. A strategy built around isolating Beijing would collide with geography, commerce and interdependence. Most ASEAN countries want greater room for manoeuvre, not a new Cold War with a different map.

The smarter strategy is to expand choices.

Countries should be able to strengthen maritime capabilities, diversify supply chains, secure critical minerals and deepen technological cooperation without being forced into permanent allegiance to one decisive camp. The Quad's greatest challenge is whether it can make competition compatible with regional autonomy.

India Has Always Wanted Room to Manoeuvre

New Delhi has strong reasons to resist Chinese expansionism and supports a free, open and rules-based Indo-Pacific. At the same time, India has avoided joining a formal military alliance aimed at containing Beijing. India's approach preserves the freedom to cooperate deeply without becoming strategically dependent.

That philosophy explains why the Quad fits comfortably within India's foreign policy. It gives New Delhi a platform to work with the United States, Japan and Australia on maritime security, technology, supply chains, critical minerals and regional resilience while retaining independent decision-making.

India's engagement with ASEAN completes that picture, and Jaishankar's participation in ASEAN-India meetings, the East Asia Summit and the ASEAN Regional Forum reflects the government's commitment to Southeast Asia under the Act East Policy. The designation of 2026 as the ASEAN-India Year of Maritime Cooperation further places maritime security at the centre of India's regional engagement.

The sea lanes connecting the Indian Ocean to Southeast Asia carry India's trade and energy lifelines. The security of the Malacca Strait affects its economic calculations, while resilient supply chains and stable maritime commons influence India's ability to project itself as a leading power. India has an interest in the Quad succeeding. It also has an interest in ASEAN remaining central. These objectives reinforce each other.

ASEAN Is the Test the Quad Cannot Fail

The future of the Indo-Pacific will combine competition with coexistence.

Deterrence will matter, but so will diplomacy. Partnerships will matter. So will institutions that give smaller and middle powers a voice. Economic interdependence will continue even as governments reduce vulnerabilities.

The Quad cannot become the sole architect of the Indo-Pacific order. Its opportunity is to become one of the most capable pillars within a larger regional ecosystem. The ecosystem must allow countries to cooperate with China economically while resisting coercion, work with the United States on security while preserving autonomy, and engage multiple powers without being forced to choose one.

An Indo-Pacific shaped exclusively by great-power rivalry would leave smaller states with diminishing space. An Indo-Pacific anchored in overlapping partnerships and practical cooperation gives them more room to manoeuvre. The region's future will depend on whether the competition produces rival camps or a resilient system in which countries retain meaningful choices.

The Quad's warm embrace of ASEAN is therefore more than a diplomatic gesture, as it is also an admission that power in Asia cannot be organised from above. It has to be negotiated across a region where sovereignty remains fiercely guarded and strategic autonomy is a political instinct. The real contest is over the rules of the Indo-Pacific.

It is about who defines acceptable behaviour at sea, who controls critical technologies, who secures mineral supply chains, who builds the infrastructure connecting economies and whether smaller states can make critical choices without coercion.

China will remain central, and the US will remain indispensable. India, Japan and Australia will deepen cooperation. ASEAN will test whether these ambitions can coexist within a credible regional order. The most durable architecture will belong to those who earn influence through reliability and trust.

In the Indo-Pacific, the decisive power will belong neither to the country with the largest navy nor the loudest alliance. Instead, it will belong to the coalition capable of persuading a fiercely independent region that security does not require surrendering autonomy, prosperity does not require dependence, and cooperation does not require allegiance.