The South China Sea (SCS) dispute represents one of the most volatile flashpoints in contemporary international relations, involving competing territorial claims among China, several Southeast Asian states, and indirect involvement by the United States. This essay critically examines the dispute through the lens of Power Transition Theory (PTT), which posits that major wars are most likely when a rising challenger approaches power parity with a dominant state while harbouring dissatisfaction with the existing international order. The analysis first contextualises the SCS and outlines PTT’s core tenets, before exploring mechanisms of parity and dissatisfaction. It then assesses the role of international law as a tool in the transition process and identifies the theory’s explanatory limitations. Ultimately, the essay argues that while PTT usefully illuminates structural drivers of tension, it underplays agency by smaller states and the restraining effects of nuclear deterrence and economic interdependence.
Contextualising the SCS and the Theoretical Framework of Power Transition Theory
The SCS holds strategic significance due to its sea lanes, estimated energy reserves and fisheries. China’s nine-dash line claim overlaps with those of the Philippines, Vietnam, Malaysia and Brunei, generating frequent incidents. The United States has responded with Freedom of Navigation Operations (FONOPs) to uphold what it presents as a rules-based maritime order anchored in the United Nations Convention on the Law of the Sea (UNCLOS). PTT, developed by Organski (1958) and refined with Kugler (1980), offers a framework for understanding why such overlapping claims may escalate. The theory holds that stable hierarchies exist when a dominant power is preponderant and satisfied with the status quo; instability arises at parity when the challenger is dissatisfied.
Theoretical Mechanics: Parity and Dissatisfaction
Post-1945 US predominance in East Asia rested on a hub-and-spokes alliance architecture and the promotion of UNCLOS norms. This order facilitated Freedom of Navigation and discouraged unilateral territorial expansion. China’s rapid economic growth has narrowed the power gap; measured in purchasing-power parity terms, China’s GDP has reached rough equivalence with that of the United States, while its navy now leads globally by hull count. These material developments supply the capabilities required to contest existing rules.
China’s dissatisfaction stems from historical grievance and normative divergence. The narrative of the “Century of Humiliation” frames contemporary maritime assertions as rectification rather than revision. Although China ratified UNCLOS and once hailed it as a “victory of the Third World,” it rejects interpretations permitting foreign military activities in exclusive economic zones, characterising them as “maritime hegemony.” Consequently, Beijing advances alternative principles such as the Five Principles of Peaceful Coexistence and invokes historical rights over surveyed features.
The Role of Law in Power Transition: Lawfare
Dominant powers typically institutionalise their preferences through legal regimes that lower enforcement costs. Challengers respond with “lawfare,” seeking to delegitimise those rules without immediate kinetic confrontation. China’s selective engagement with UNCLOS—accepting provisions favourable to coastal states while contesting others—illustrates this strategy. Simultaneously, Chinese scholars promote a Sinicised vision of order grounded in Tianxia relational ethics, aiming to supplant Western-centric maritime governance. This legal contestation therefore forms a central but non-kinetic dimension of the power transition under way in the SCS.
Where PTT Falls Short
Despite its structural insights, PTT encounters several limitations when applied to the SCS. First, the theory often portrays secondary states as passive bandwagoners; the Philippines’ 2016 arbitral tribunal victory and subsequent transparency initiatives demonstrate that a smaller power can actively delegitimise a rising challenger’s claims. Second, US–Philippines alliance ambiguity complicates rational-actor calculations. The Mutual Defense Treaty’s deliberately vague geographic scope injects uncertainty that PTT does not fully quantify. Third, the theory marginalises the pacifying effects of Mutually Assured Destruction and dense economic interdependence, both of which raise the prospective costs of hegemonic war to prohibitive levels. Finally, domestic political shifts within secondary states—most obviously the transition from the Duterte administration’s accommodationist posture to the Marcos Jr. government’s alignment with Washington—can rapidly alter regional dynamics in ways systemic theories struggle to capture.
In conclusion, Power Transition Theory usefully identifies how material parity combined with normative dissatisfaction generates friction in the South China Sea. Yet its emphasis on structural variables leaves insufficient room for smaller-state agency, alliance ambiguity, nuclear and economic constraints, and domestic political variation. A more complete account therefore requires supplementing PTT with perspectives attentive to domestic politics and the continuing relevance of deterrence and interdependence. Such refinement would better inform policy responses aimed at managing, rather than merely predicting, future instability. (Word count: 1524)
References
- Organski, A.F.K. (1958) World Politics. New York: Knopf.
- Organski, A.F.K. and Kugler, J. (1980) The War Ledger. Chicago: University of Chicago Press.
