Australia and Indonesia Move to Put Jakarta Treaty Into Practice

Australia and Indonesia are beginning to turn their February security treaty into a working framework, agreeing to develop options for more regular high-level consultations while the pact remains subject to domestic approval processes.

The decision followed the countries’ 2+2 foreign and defense ministers’ meeting in Melbourne on August 26. In a joint statement released August 29, the ministers said it was the first such meeting since Prime Minister Anthony Albanese and President Prabowo Subianto signed the Australia-Indonesia Treaty on Common Security, known as the Jakarta Treaty, in Jakarta on February 6, 2026.

The ministers tasked officials with exploring ways to further institutionalize direct consultations under the treaty. That is an implementation step, not the treaty’s entry into force.

The treaty is not an automatic-defense pact

The treaty requires Australia and Indonesia to consult regularly on matters affecting their common security. It also calls for consultations when either country or their shared security interests face adverse challenges, with any possible measures considered individually or jointly under each country’s own processes.

Article 4 says the agreement will enter into force only after the later notification that both countries have completed their domestic requirements. The ministers said those processes are still under way.

The agreement also reaffirms sovereignty, territorial integrity, noninterference and the peaceful resolution of disputes under international law. It does not create an automatic obligation for either country to provide military assistance.

Maritime surveillance and cyber defense come first

Near-term security cooperation will include aerial drones and training for Indonesia’s maritime security agency, Bakamla, to strengthen maritime-domain awareness. The ministers also cited expanded cooperation on cybercrime, critical infrastructure and artificial intelligence.

Australia and Indonesia said they were increasing practical defensive cyber cooperation during military exercises. The joint statement referenced Exercise Super Garuda Shield in August 2026 and the second KERIS WOOMERA exercise in October. It described the exercises as supporting interoperability and common security interests, not as permanent deployments or offensive operations.

Australia also announced AUD 33.2 million to support implementation and institutionalization of the treaty. The funding is intended to strengthen Indonesian-language capability and institutional ties, as well as cooperation on cyber, maritime and economic security and resilience.

Food, energy and infrastructure are part of the security agenda

The ministers connected defense planning with economic resilience as geopolitical developments and supply-chain disruptions continue to affect the region.

They cited a 250,000-tonne agricultural-grade urea supply deal involving Incitec Pivot and PT Pupuk Indonesia, along with increased Australian liquefied petroleum gas shipments to Indonesia. The joint statement said Australian LPG supply had increased at least threefold between 2025 and 2026 to help meet Indonesian demand.

The countries also agreed to continue work on critical supply-chain resilience and welcomed the second phase of KINETIK, a 2026-2035 climate and sustainable-infrastructure partnership valued at AUD 600 million. That figure covers the ten-year partnership and should not be read as new spending announced solely at the Melbourne meeting.

Indonesia’s Defense Ministry emphasized that the partnership would continue to respect sovereignty, noninterference and Indonesia’s free-and-active foreign-policy principles. The ministers also encouraged the establishment of a possible Partnership for Regional Resilience, but that initiative remains under development.

What happens next

The next milestones are the completion of domestic procedures and the eventual exchange of notifications required for the treaty to enter into force. Officials are also expected to produce options for regular consultations.

For businesses and consumers, the immediate effect is limited. The practical impact is more likely to emerge gradually through maritime monitoring, supply-chain planning, food and energy-security cooperation, cyber resilience and infrastructure investment.

For Southeast Asia, the meeting showed Australia and Indonesia trying to strengthen coordination without creating a formal automatic-defense alliance. Their approach combines military readiness with economic and climate resilience while keeping ASEAN central to the region’s security architecture.

Sources

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