Indonesia's Proposal for a Toll on the Malacca Strait: Legal and Geopolitical Implications

On April 8, 2026, Indonesia's Finance Minister Purbaya Yudhi Sadewa suggested the possibility of imposing a toll on vessels transiting the Malacca Strait, a critical maritime route that connects the Indian and Pacific Oceans. This proposal was made during a symposium in Jakarta and echoed sentiments expressed by President Prabowo Subianto, who emphasized Indonesia's strategic position in global trade. The Strait of Malacca is vital, handling over 40% of the world's seaborne trade. However, the idea quickly faced backlash from neighboring countries, particularly Singapore and Malaysia, which reaffirmed their commitment to maintaining free navigation in the strait.

ABC News AustraliaIndonesia floats ship tax in Malacca Strait: ReportLowy InstituteThe Strait Of Malacca, Explained: Who Owns It, Who Controls It, And Can Indonesia Really Put A Toll On It?

The proposal to charge a toll raises significant legal concerns under the United Nations Convention on the Law of the Sea (UNCLOS). The Malacca Strait is classified as a strait used for international navigation, which grants ships the right of "transit passage" that cannot be impeded or charged for. Articles 37 to 44 of UNCLOS explicitly prohibit any charges for passage through such straits. A unilateral toll by Indonesia would not only contravene these legal obligations but could also undermine the cooperative framework established among Indonesia, Malaysia, and Singapore, which has been in place since 1971.

Lowy InstituteABC News AustraliaIndonesia floats ship tax in Malacca Strait: ReportThe Strait Of Malacca, Explained: Who Owns It, Who Controls It, And Can Indonesia Really Put A Toll On It?

Singapore's Foreign Minister Vivian Balakrishnan firmly rejected the idea, stating that transit passage is not a privilege to be granted by bordering states. Malaysia's Transport Minister Loke Siew Fook echoed this sentiment, emphasizing the importance of freedom of navigation. In response to the backlash, Minister Purbaya quickly walked back his comments, stating, "If only it could be like that, but that’s not the case." Despite this retraction, analysts suggest that the proposal might have been a "trial balloon" to gauge international reactions, reflecting a potential shift in Indonesia's approach to its maritime rights.

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Critics argue that Indonesia's flirtation with the idea of a toll could set a dangerous precedent, potentially destabilizing the established norms of maritime law. Euan Graham from the Australian Strategic Policy Institute warned that such thinking could lead to broader regional instability, as it suggests a willingness to monetize geographical advantages despite the legal framework that supports Indonesia's territorial integrity. Australia has also expressed concerns, with Defence Minister Richard Marles emphasizing the importance of adhering to international law and freedom of navigation.

Indonesia’s finance minister walks back on Malacca Strait toll charge amid global concerns

While the Indonesian government has downplayed the significance of the toll proposal, the incident highlights growing sensitivities surrounding control of major maritime routes. The Strait of Malacca has historically been governed by a consensus among the three bordering nations, grounded in international law. Any deviation from this framework could have far-reaching implications for regional security and trade. As geopolitical tensions continue to evolve, the need for clear communication and cooperation among Indonesia, Malaysia, and Singapore remains critical to maintaining stability in this vital waterway.

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