Trends and Analysis

Soldiers of the Chinese PLA

China has maintained a strong interest in the Indian Ocean for several decades. China became a net importer of oil in the early 1990s, mostly from the Middle East and transported through the Indian Ocean to support its growing economy. China's naval presence in the region has evolved in parallel, from being a marginal player in the early 2000s, to the major maritime power it is today. Nevertheless, China maintained the cover of economic and research interests driving its approach to Indian Ocean. For instance, in November 2011, the China Ocean Mineral Resources Research and Development Association (COMRA) signed a 15-year agreement with the International Seabed Authority, which granted China exclusive rights to explore 10,000 sq km of seabed in southwest Indian Ocean, off the coast of Africa, for polymetallic sulphide ore deposits.

While securing its energy interests and trade routes have been key drivers, Beijing’s Indian Ocean policy goes far beyond this. China’s strategic interests in the Indian Ocean were, for instance, captured in the Blue Book of the Chinese Academy of Social Sciences (CASS) publicly released in 2013. The document referred to China’s commercial interests, but it also highlighted the possibility of conflict, great power competition and rivalry in the region and added that 'no single regional power or world power, including the United States, Russia, China, Australia, India, can control the Indian Ocean by itself in the future world.'

China’s maritime interests in the Indian Ocean Region (IOR) have grown steadily since Xi Jinping took office in 2012. An obvious consideration is countering US naval presence and dominance over the Indian Ocean. Another important strategic consideration is possibly related to India’s position in the region, as it does not want New Delhi to assert control over the Indian Ocean. This has become particularly challenging since 2015 when India’s own approach to the Indian Ocean began to change.

In March 2015, Indian Prime Minister Narendra Modi gave a couple of important speeches in Seychelles and Mauritius. He highlighted major changes in India’s approach to Indian Ocean security and diplomacy, which included welcoming close partnership with extra-regional powers including the US, Australia, Japan, France and others to engage in security dialogues, military exercises and defence exchanges. This was a clear appreciation of the significant capacity deficit on the part of India to manage the Indian Ocean on its own, particularly in the context of China wanting to establish a bigger presence and influence in the region. China seeks to establish maritime dominance in the Indian Ocean Region through a number of tools and actions, all of which have begun to shift the military balance in China’s favour.  

China’s growing presence in the broader Indian Ocean Region was initially couched as contributing to the global public good of protection of sea lines of communication (SLOCs) and anti-piracy missions. Using such regional/global public good narrative, China managed to expand its footprint in the IOR, with a key goal of countering Indian and US and allied influence. It further enhanced its positioning in the IOR through its Belt and Road Initiative (BRI) and Maritime Silk Road strategies, leading to establishment of longer-term naval presence in places such as Djibouti, thereby augmenting its naval, submarine and research vessel deployments well beyond its immediate waters.  

Source: Google Maps

Pre-2016 security engagement

The earliest Chinese naval deployments in the region took place in December 2008 with China sending a naval task force (two destroyers and one supply ship) on a counter-piracy mission to the Gulf of Aden. Even though it was a counter-piracy mission deployment, this deployment helped the PLA-N to develop a more sustained, rotational presence in the IOR along with capability development for the broader purposes of securing its trade and energy transport corridors as well as augmenting its strategic influence and footprint in the broader littoral regions.

For instance, China sent a submarine along with the anti-piracy task force in 2014 to the Gulf of Aden, and the next year, a nuclear-powered submarine. These were hardly suitable for anti-piracy missions, but it was a clear indication of China pushing its strategic goals under the pretext of regional public good missions. China’s strategic push beyond its immediate waters was inevitable given its expanding strategic, economic and energy interests, pushing Beijing to shift steadily from a coastal 'brown water' navy to a global 'blue water' maritime power. This led China to formalize a new Far Sea strategy, in 2015.

Security engagement 2016-2026

China’s new Far Sea strategy began to see a more pro-active deployment of its aircraft carriers and nuclear-powered submarines. The growing importance of maritime security in China’s strategic thinking has manifested in its investment, capability mix, and dual-use infrastructure projects in the IOR, in addition to enhanced naval deployments and strengthened maritime domain awareness. Securing its trade and energy transport corridors are undeniably important to China, but the enhanced capability mix and new strategy are also meant as a power projection tool and a means to counter Indian, US and allied role and influence in the IOR and beyond. Before the 2000s, China was focused primarily on establishing its diplomatic ties across the region.  

In the post-2016-phase, China started looking for basing facilities. This included semi-permanent presence in Djibouti (2017) as well as exploring potential facilities in Pakistan, Myanmar, Sri Lanka and Maldives. China’s takeover of the Hambantota Port in Sri Lanka in 2017 meant that China was able to fulfil its long-term goal of establishing foothold in the Indian Ocean. The post-2016 period also witnessed a spike in the number of military exercises with Pakistan as well as extended deployment in Pakistan and Sri Lanka. This phase also saw an increase in terms of arms sales to Pakistan, making it a more capable naval player in the western Indian Ocean. China’s oceanographic research activities and other engagements have also raised alarms in the region because they involved surveillance and intelligence gathering vessels.  

In the past decade, China has clearly shifted from a pure economic/infrastructure development focus in IOR to a more pro-active presence utilizing dual-use (commercial-cum-military) facilities so as to establish near-permanent strategic footprint in the IOR. China’s narrative on the IOR has also become a lot louder and shriller, questioning India’s (and read the US and allied) traditional influence in the Indian Ocean, stating that it is an open sea and not India’s backyard. The “Indian Ocean is not India’s ocean” statements regularly made by Chinese officials and academics is part of this narrative building exercise. The spike in the number of military exercises with Sri Lanka during the past decade (as can be seen in the interactive map in the beginning of this section) is to an effort at asserting China’s ‘rightful’ place in the Indian Ocean Region.

Even as China has made a shift towards more prominent presence in the IOR with a strategic underpinning through ports and bases, one troubling feature is the significant growth in China’s distant fishing fleets, including in the Indian Ocean. China is reported to have the world’s largest such fleet in terms of catch volume and fleet size. As per a 2025 Oceana research for a three-year period between January 2022 and December 2024, China’s fleet is estimated to be over 57,000 industrial fishing vessels and conducting 44% of the global fishing activity across maritime spaces of more than 90 countries. The Illegal, Unreported and Unregulated Fishing Index lists China as the worst offender of the 152 countries globally. With such activities growing in numbers, analysts note that there is a “blurring of line between commerce and coercion” and civilian vessels essentially becoming tools in China’s grey zone agenda. Even as China claims officially, in its Development of China’s Distant-Water Fisheries, that it is sustainment utilisation of the oceans and for the broader good of the humanity, China has used a number of tactics including by using flags of convenience especially those coastal states that have weak governance and legal systems and turning of AIS to mask across oceans.

China’s excessive claims and sensitive areas