U.S., Japan and South Korea sign Arctic-Pacific cooperation pact at G20 meeting

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US, Japan, Korea Arctic-Pacific pact

Highlights

U.S. Secretary of State Marco Rubio, Japanese Foreign Minister Motegi Toshimitsu, and South Korean Foreign Minister Cho Hyun sign a Memorandum of Cooperation for a Trilateral Arctic Pacific Partnership at the G20 in Atlanta.
The ministers reaffirm full support for UN Security Council resolutions targeting North Korea’s nuclear and ballistic missile programs and praise ongoing monitoring for sanctions violations.
Trilateral talks emphasize economic security, opposition to supply chain weaponization, and ongoing cooperation including a July 7 agreement on Small Modular Reactor Deployments to bolster global energy security.

Security agenda and new cooperation pact

As reported by U.S. Department of State, Secretary of State Marco Rubio meets Japanese Foreign Minister Motegi Toshimitsu and South Korean Foreign Minister Cho Hyun on the margins of the G20 in Atlanta to review progress in the three-way partnership. The ministers sign a Memorandum of Cooperation for a Trilateral Arctic Pacific Partnership, aimed at exploring maritime cooperation and broader economic ties in the Pacific Arctic.

The three sides reaffirm their commitment to the complete denuclearization of North Korea and to full implementation of UN Security Council resolutions, including measures that ban support for revenue generation tied to Pyongyang’s nuclear and ballistic missile programs. They also praise the Multilateral Sanctions Monitoring Team for identifying North Korean sanctions violations and evasion activities.

The meeting also highlights wider regional security concerns. The ministers stress the importance of peace and stability across the Taiwan Strait, while Rubio raises China’s actions in the South China Sea, its coercive behavior in the East China Sea and Yellow Sea, and Russia-China cooperation that they say undermines Indo-Pacific stability.

Economic security focus broadens trilateral agenda

The ministers stress economic security as a core pillar of the partnership and reiterate their opposition to economic coercion and the weaponization of supply chains. They review implementation of the trilateral Memorandum of Cooperation on Small Modular Reactor Deployments, signed in Ankara on July 7, as part of efforts to use combined industrial capacity to support global energy security.

They also discuss follow-up to areas identified during the trilateral economic security consultation held in Seoul on October 15. The meeting reaffirms commitments in the U.S.-Japan-ROK joint statement issued on September 21, 2026, and the three governments commit to continuing trilateral meetings at all levels.

In our earlier article on sovereign borrowing risks in a higher-rate environment, we examined how persistent geopolitical tensions and elevated fiscal spending are straining public finances and refinancing conditions. We noted that emerging and frontier markets are especially exposed due to heavier interest-service burdens and narrower revenue bases, while shocks linked to the wars in Ukraine and the Middle East have pushed up energy and food prices, complicating inflation and credit outlooks.

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