ASEAN's Indo-Pacific Playbook: Choosing Cooperation Over Confrontation in a Fractured World

ASEAN's Indo-Pacific blueprint aims to stitch together the Indian subcontinent and the Asia-Pacific into a single connected, cooperative space. Anchored by "ASEAN Centrality," it is a bold strategic bid to convert great-power battlegrounds into open, inclusive arenas—flatly rejecting zero-sum logic in an era of trade wars, geopolitical shocks, and geoeconomic realignment.

ASEAN's Indo-Pacific blueprint aims to stitch together the Indian subcontinent and the Asia-Pacific into a single connected, cooperative space. Anchored by "ASEAN Centrality," it is a bold strategic bid to convert great-power battlegrounds into open, inclusive arenas—flatly rejecting zero-sum logic in an era of trade wars, geopolitical shocks, and geoeconomic realignment.

From Paper Vision to Real-World Playbook

June 2019, Bangkok. At the 34th ASEAN Summit, ten Southeast Asian leaders signed a landmark document that would redefine how the bloc navigates its broader neighborhood: the ASEAN Outlook on the Indo-Pacific (AOIP). For the first time, ASEAN articulated a unified strategic posture on the world's most contested maritime expanse.

Far from gathering dust on a shelf, the AOIP has steadily built diplomatic clout and operational momentum:

  • The ASEAN Indo-Pacific Forum (AIPF): Launched in Jakarta in September 2023 as the AOIP's flagship event, the forum focuses on green infrastructure, supply chain resilience, and clean energy transitions. Under Laos's 2024 chairmanship, the platform expanded into the digital economy and AI governance.
  • Mainstreaming Across Regional Architecture: The AOIP now threads through every major multilateral platform—from the East Asia Summit (EAS) and ADMM-Plus to the ASEAN Regional Forum (ARF) and ASEAN+3—serving as the diplomatic compass for cross-ocean relations.
  • Concrete Action Pipelines: ASEAN has translated high-level principles into actionable frameworks, targeting green finance, sustainable infrastructure, and circular economy initiatives across the region.

The Geopolitical Chessboard: Why the 2020s Demand a New Approach

ASEAN's foundational premise is clear: the Asia-Pacific and the Indian subcontinent are the twin engines of global growth. Deepening interconnections yields far greater dividends than engaging in zero-sum games.

Yet, the 2020s have dramatically heightened strategic friction across the Indo-Pacific:

  • Tariff Wars and Geoeconomic Fragmentation: The resurgence of protectionist policies and universal tariff threats has rattled the open, rule-based trading system that Southeast Asia relies on.
  • Supply Chain Realignment: "China Plus One" strategies and "friend-shoring" trends have redirected global capital into Vietnam, Indonesia, Malaysia, and Thailand, turning ASEAN into a critical node for semiconductors and green tech.
  • South China Sea Flashpoints: Recurring maritime standoffs—particularly at Second Thomas Shoal and Scarborough Shoal—continue to test regional stability and ASEAN's conflict-management mechanisms.
  • The Myanmar Crisis: The ongoing civil conflict following the 2021 coup remains a severe stress test for ASEAN Centrality and the implementation of the Five-Point Consensus.

Meanwhile, India stands out as the quintessential swing power. New Delhi maintains robust defense ties with Western partners via the Quad (US, Australia, Japan, India) while preserving strategic maneuverability through BRICS and the Shanghai Cooperation Organisation (SCO). India's G20 presidency further cemented its position as a vital bridge between the West and the Global South.

Positioned at the geographic intersection of two oceans, ASEAN cannot afford to let external powers dictate the regional script. It must actively shape its own economic and security landscape.

The Ground Rules: ASEAN at the Center, Rules Above All

The AOIP's mission is to build a predictable, cooperative architecture for peace, stability, and shared prosperity.

At the core sits ASEAN Centrality, supported by four guiding principles:

  • Inclusive Multilateralism: No nation is excluded, and no closed security blocs are formed to target adversaries.
  • Sovereignty & Non-Interference: Unwavering commitment to international law, the UN Charter, and the ASEAN Charter.
  • The Treaty of Amity and Cooperation (TAC): Peaceful dispute resolution remains the non-negotiable operating code for regional statecraft.
  • Substantive Non-Alignment: ASEAN positions itself as a neutral convener where all powers engage, rather than an arena where rivalries play out.

The Four Pillars: From Strategy to Execution

1. Maritime Cooperation

From marine pollution and illegal fishing to freedom of navigation, this pillar rests squarely on the 1982 UN Convention on the Law of the Sea (UNCLOS) as the ultimate legal foundation for the maritime commons.

Where Things Stand: ASEAN-China negotiations for a Code of Conduct (COC) in the South China Sea remain underway. ASEAN maintains that any COC must be legally binding, fully aligned with UNCLOS 1982, and respectful of third-party rights under international law.

2. Regional Connectivity

Building on the Master Plan on ASEAN Connectivity (MPAC), this pillar bridges physical infrastructure and digital networks, prioritizing:

  • Digital infrastructure and AI economy integration
  • The expansion of the ASEAN Power Grid
  • Cross-border digital payment connectivity
  • Business-to-business and people-to-people exchanges

3. Sustainable Development Goals (SDGs)

Driving inclusive green growth in alignment with the UN 2030 Agenda through:

  • Green finance taxonomy and sustainability bonds
  • Just energy transition mechanisms (JETP)
  • Climate-resilient food and water security systems

4. Economic Cooperation & Supply Chain Integration

Promoting free trade and economic integration through the Regional Comprehensive Economic Partnership (RCEP)—which encompasses roughly 30% of global GDP—alongside:

  • Supply chain resilience frameworks
  • Cross-border e-commerce acceleration
  • MSME and startup empowerment in the digital age

Preserving the Center Amid Superpower Gravity

The US, Australia, Japan, India, and the EU have all articulated their own Indo-Pacific strategies. ASEAN's AOIP acts as an alternative balancing architecture—not a competing alliance, but an indispensable neutral platform.

ASEAN does not project military power; its strength lies in its convening power. Pulling India and South Asia closer into ASEAN-led mechanisms broadens the cooperative web and softens binary superpower competition.

Major powers continue to endorse ASEAN Centrality because:

  • ASEAN remains strictly non-aligned and refuses to be drawn into containment strategies.
  • It carefully avoids infringing upon the core strategic interests of external stakeholders.
  • An ASEAN-hosted table offers the safest neutral ground for rivals to communicate without triggering a security spiral.

Still, ASEAN Centrality faces headwinds. Internal divergences over Myanmar, varying responses to global conflicts, and intense pressure to take sides in US-China competition test whether consensus-based diplomacy can continue to deliver concrete outcomes.

Two Lenses, One Region: Navigating "Coopetition"

The modern Indo-Pacific operates along two parallel tracks:

  • The Rivalry Lens: Power projection, military deterrence, and coalition-building dominate the narrative, framing the region as a arena of containment and counter-containment.
  • The Cooperation Lens: Deep economic interdependence remains the baseline reality. Global trade flows, maritime lanes, and digital supply networks transcend geopolitical fault lines.

The operational reality is coopetition—competition and cooperation occurring simultaneously. While containment strategies play out over the long term, the immediate imperative for regional states is to maximize tangible gains through multilateral frameworks. ASEAN's overarching objective is to maintain a state of strategic calm.

Non-Traditional Threats: Problems No Nation Can Solve Alone

Beyond traditional military risks, the region's most pressing challenges require cross-border coordination:

  • Climate Vulnerability: Southeast Asia remains ground zero for extreme weather, coastal erosion, and rising sea levels.
  • Health Security: Post-pandemic recovery highlights the need for resilient regional healthcare infrastructure.
  • Cybersecurity & AI Governance: Securing critical digital infrastructure while establishing ethical guardrails for artificial intelligence.
  • Resource Security: Geopolitical shocks directly threaten global food, energy, and fertilizer supply chains.
  • Transnational Cyber Crime: The surge in cross-border online scam operations demands unified regional law enforcement.

As former Singaporean Prime Minister Lee Hsien Loong observed, peaceful coexistence is the indispensable prerequisite for economic growth. Expecting every nation to share identical political systems or ideological values is unrealistic; human diversity is inherently a source of strength, and historical progress relies on continuous adaptation, exchange, and mutual respect.

The Long Game: Six Decades of Diplomatic Statecraft

Founded on August 8, 1967, ASEAN has evolved from a five-member regional association into a ten-nation community, with Timor-Leste poised for full membership—expanding ASEAN's physical and strategic footprint deeper into the Indo-Pacific.

Time and again, ASEAN has demonstrated its unique ability to bring competing global powers to the same table. The AOIP represents the latest chapter in this institutional evolution, extending ASEAN's normative influence across the Indian Ocean and beyond.

The headwinds—geoeconomic fragmentation, technological decoupling, and maritime standoffs—are formidable. Yet the "ASEAN Way"—characterized by consensus, rule-based engagement, non-alignment, and respect for diversity—remains a masterclass in diplomatic statecraft. It is how a region without a military alliance keeps itself central, relevant, and indispensable.

"ASEAN lacks the military muscle to compel anyone. But it possesses the moral and institutional authority to invite everyone to the table. In a fragmented world, a table where every rival still agrees to sit down together remains the most valuable strategic asset of all."

30 June 2019
Chanchai Kumpunya
(ชาญชัย คุ้มปัญญา)
Latest update 11 August 2026
Editorial Note: This article is an expanded English adaptation of the author's original column published in Thai Post Newspaper.
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References:

1. สำนักเลขาธิการนายกรัฐมนตรี ทำเนียบรัฐบาล. (2562, มิถุนายน 23). ถ้อยแถลงของพลเอก ประยุทธ์ จันทร์โอชา นายกรัฐมนตรี ในการแถลงข่าวผลการประชุมสุดยอดอาเซียน ครั้งที่ 34. Retrieved from https://www.thaigov.go.th/news/contents/details/21205
2. ASEAN. (2019, June 23). ASEAN OUTLOOK ON THE INDO-PACIFIC. Retrieved from https://asean.org/storage/2019/06/ASEAN-Outlook-on-the-Indo-Pacific_FINAL_22062019.pdf
3. ASEAN. (2019, June 23). CHAIRMAN’S STATEMENT OF THE 34TH ASEAN SUMMIT. Retrieved from https://asean.org/storage/2019/06/Final_Chairs-Statement-of-the-34th-ASEAN-Summit_as-of-23-June-2019-12....pdf
4. ASEAN has much to do. (2019, June 24). The Asian Post. Retrieved from https://theaseanpost.com/article/asean-has-much-do
5. Keynote Address: Lee Hsien Loong. (2019, June). IISS Shangri-La Dialogue 2019. Retrieved from https://www.iiss.org/events/shangri-la-dialogue/shangri-la-dialogue-2019
6. Lee John. (2018). Trends in Southeast Asia. Retrieved from https://www.iseas.edu.sg/images/pdf/TRS13_18.pdf
7. Ordaniel, Jeffrey., Baker, Carl. (2019, March). ASEAN Centrality and the Evolving US Indo-Pacific Strategy. Retrieved from https://www.pacforum.org/sites/default/files/issuesinsights_Vol19CR4_USASEAN.pdf
8. Russia-India-China will be the big G20 hit. (2019, June 26). Asia Times. Retrieved from https://www.asiatimes.com/2019/06/article/russia-india-china-will-be-the-big-g20-hit/
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