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IR21/09/2026

Indo-Pacific: Contested Definitions and Geopolitical Significance

The "Indo-Pacific" is a relatively recent geopolitical construct that has rapidly moved from the margins of strategic discourse to the centre of contemporary international relations. It refers to the interconnected maritime expanse of the Indian Ocean and the western and central Pacific Ocean, recognising that the economic, security, and strategic futures of these two regions are inseparable. What makes Indo-Pacific particularly significant — and analytically challenging — is that it is not merely a geographic expression but a contested strategic concept, with different nations defining and using it in ways that reflect their own interests and worldviews.

The term "Indo-Pacific" was used in marine biology long before geopolitics. Its strategic usage gained currency through Gurpreet Khurana (India, 2007), Shinzo Abe's Confluence of Two Seas speech (2007), and Hillary Clinton's America's Pacific Century essay (2011). The concept became central to US strategy with the US Indo-Pacific Strategy (2022) and rebranding of the US Pacific Command to Indo-Pacific Command (2018). India's SAGAR (Security and Growth for All in the Region) vision provides its framework. China contests the concept as exclusionary and a containment tool. ASEAN has its own AOIP (ASEAN Outlook on the Indo-Pacific) emphasising inclusivity. Australia's Indo-Pacific is more explicitly security-oriented. The region covers half the world's population and two-thirds of global GDP.

📌 Revision Pointers

  • Term "Indo-Pacific" first used strategically by Gurpreet Khurana (Indian Navy) in 2007; also Shinzo Abe's "Confluence of Two Seas" speech (2007, Indian Parliament)
  • US Indo-Pacific Command: Renamed from US Pacific Command in 2018 — acknowledges Indian Ocean as part of the strategic theatre
  • US Indo-Pacific Strategy 2022: Launched by Biden administration; five pillars — free and open, connected, prosperous, secure, resilient
  • India's SAGAR vision: Security and Growth for All in the Region — PM Modi's framework (2015); net security provider in Indian Ocean
  • AOIP: ASEAN Outlook on the Indo-Pacific (2019) — ASEAN's inclusive, non-confrontational vision; emphasises ASEAN centrality
  • China's position: Opposes Indo-Pacific framing as Cold War mentality; prefers Asia-Pacific; sees QUAD + FOIP as containment
  • Key strategic dimensions: Maritime trade routes (Malacca Strait, Lombok Strait), energy transit, undersea cables, military basing
  • Geographically: Indian Ocean + western/central Pacific; includes India, Australia, ASEAN, Japan, China, Korea, Pacific Island nations
  • Economic scale: Half world's population, 60% of world GDP, 2/3 of global maritime trade transits
  • India's ambivalence: India uses Indo-Pacific but avoids anti-China framing; prefers inclusive architecture

Detailed Explanation

Conceptual Origins and Definitions

The Indo-Pacific as a strategic concept has multiple intellectual origins. Indian Navy strategist Gurpreet Khurana published a seminal 2007 paper arguing that the Indian and Pacific Oceans form a single strategic and economic continuum. The same year, Japan's Prime Minister Shinzo Abe addressed India's Parliament with his "Confluence of Two Seas" speech, articulating a vision of democratic nations across the Indo-Pacific sharing common values.

The concept gained institutional traction when the United States renamed its Pacific Command to Indo-Pacific Command (INDOPACOM) in 2018, signalling recognition of India's strategic weight and the Indian Ocean's importance to US security. Hillary Clinton's 2011 "America's Pacific Century" essay in Foreign Policy, which spoke of the "Indo-Pacific basin," was an earlier signal of this shift.

Why the Concept is Contested

The Indo-Pacific is contested because it is not a neutral geographic description — it is a strategic frame that serves different purposes for different actors. For the United States, "Free and Open Indo-Pacific" (FOIP) is primarily about preserving rules-based order against Chinese revisionism. For Japan, it revives Abe's vision of democratic solidarity. For Australia, it provides a framework for engaging Asia beyond the Pacific.

China fundamentally rejects the Indo-Pacific framing for several reasons: (1) It links two ocean basins in a way that naturally involves India as a counterbalance to China; (2) The associated FOIP narrative implies China is a threat to a "free and open" order; (3) The QUAD + FOIP combination is seen as a containment architecture. China prefers "Asia-Pacific" — a concept where it is central and ASEAN-dominated frameworks (where China has more influence) take precedence.

ASEAN has developed its own Indo-Pacific vision through the AOIP (ASEAN Outlook on the Indo-Pacific, 2019), which explicitly emphasises: ASEAN centrality, inclusive architecture (not targeting any country), cooperation over competition, and the primacy of ASEAN-led frameworks (EAS, ARF, ADMM+). The AOIP reflects Southeast Asian discomfort with being forced to choose between the US and China.

India's Indo-Pacific Position

India's engagement with the Indo-Pacific concept is characterised by strategic ambiguity — deliberately so. India has adopted the terminology and participates in QUAD, but consistently insists on an inclusive Indo-Pacific that is not directed against any country (a clear reference to China). This reflects India's broader doctrine of strategic autonomy.

India's framework for the Indo-Pacific is articulated through PM Modi's SAGAR (Security and Growth for All in the Region) vision, first announced in 2015 in Mauritius. SAGAR emphasises: (1) India as a net security provider in the Indian Ocean; (2) Sustainable development through blue economy; (3) Rule-based maritime order; (4) Coastal state capacity building; (5) Anti-piracy and humanitarian assistance.

India's Indo-Pacific extends from the coast of Africa to the Pacific Islands, covering the entire Indian Ocean littoral. India seeks to build partnerships with coastal states — Indian Ocean Island nations (Maldives, Sri Lanka, Mauritius, Seychelles), East African states, and Pacific Island nations — creating a web of partnerships centred on Indian Ocean geography.

Strategic Significance: Key Dimensions

  • Maritime trade: 80% of global oil trade transits the Indian Ocean; the Strait of Malacca handles over 25% of global trade; Chinese "String of Pearls" strategy (port presence in Gwadar, Hambantota, Djibouti) concerns India and the US
  • Military presence: US has its largest overseas military presence in INDOPACOM; China's first overseas military base in Djibouti (2017); India's IOR logistics and access agreements with Oman, Singapore, France, Australia, USA
  • Undersea cables: 95% of global internet traffic transits undersea cables in the Indo-Pacific — a critical infrastructure vulnerability
  • Energy: Gulf energy flows to Asia transit the Indian Ocean; Strait of Hormuz and Malacca Strait are chokepoints
  • Pacific Island dimension: Strategic competition for influence in Pacific Island nations has intensified — China's 2022 security agreement with Solomon Islands alarmed Australia and the US; India launched Forum for India-Pacific Islands Cooperation (FIPIC)
  • Blue Economy: Exclusive Economic Zones, fisheries, seabed mining, and ocean energy are emerging Indo-Pacific economic frontiers

Key Frameworks and Initiatives

  • QUAD (2021–present): US-Japan-Australia-India; maritime security, emerging tech, vaccines — see dedicated notes
  • AUKUS (2021): US-UK-Australia nuclear-powered submarine agreement; distinct from QUAD but part of the broader Indo-Pacific security architecture
  • US Indo-Pacific Economic Framework (IPEF, 2022): 14-country economic arrangement covering trade, supply chains, clean economy, and anti-corruption — India participates selectively
  • Blue Dot Network: US-Japan-Australia certification mechanism for high-quality infrastructure — alternative to BRI
  • FIPIC (Forum for India-Pacific Islands Cooperation): India's engagement platform with 14 Pacific Island nations
  • IORA (Indian Ocean Rim Association): 23-member regional cooperation body; India is a founding member

Current Relevance

The Indo-Pacific has moved from concept to concrete policy architecture in the 2020s. The May 2022 launch of the US Indo-Pacific Strategy, followed by Biden's Indo-Pacific Economic Framework, marked the institutionalisation of the concept. India hosted the QUAD Leaders' Summit in 2025, reinforcing its centrality in shaping the Indo-Pacific order.

The geopolitical contestation is sharpening: China's 2022 security agreement with Solomon Islands, its growing influence in Sri Lanka and Pakistan, and its naval modernisation program have all accelerated Indo-Pacific balancing dynamics. At the same time, India's own engagements — SAGAR, its IOR base access agreements, and its growing naval footprint — reflect its ambition to be a primary stakeholder, not just a participant, in the Indo-Pacific order.

💭 Conclusion

The Indo-Pacific is simultaneously a geographic fact, a strategic concept, and a political framework — and its meaning shifts depending on who is using it and why. For India, the Indo-Pacific is a vehicle for asserting maritime identity, building regional partnerships, and engaging great powers on terms that preserve strategic autonomy. For the United States, it anchors its global strategy against Chinese revisionism. For China, it is a containment tool to be opposed. For ASEAN, it is a framework to be shaped into something inclusive rather than confrontational. UPSC aspirants must understand these multiple layers — the geographic, the strategic, the contested, and the Indian — to analyse Indo-Pacific questions with the nuance they demand.