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Philippines, Vietnam upgrade ties, say South China Sea peace 'non-negotiable'

Published by Global Banking & Finance Review

Posted on June 1, 2026

3 min read

· Last updated: June 1, 2026

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Philippines, Vietnam Deepen Strategic Partnership; Prioritize South China Sea Peace

Strengthening Bilateral Relations and Regional Stability

MANILA, June 1 (Reuters) - The Philippines and Vietnam are elevating their ties to an enhanced strategic partnership, reaffirming that shared commitment to peace and stability in the South China Sea is "non-negotiable," President Ferdinand Marcos Jr said on Monday during a state visit by Vietnam's top leader To Lam to Manila. 

Marcos said there is no doubt the Philippines and Vietnam share a common interest in maintaining peace, stability and a rules-based order in their region, adding that the partnership has become more important as the region navigates an evolving and uncertain global environment.

Key Areas of Enhanced Cooperation

Political and Defence Collaboration

• Marcos said the deeper ties would be "defined by wider pathways for cooperation, stronger political and defence cooperation, and closer linkages between the Filipino and Vietnamese people."

• Vietnam is the Philippines' lone strategic partner in the ASEAN region, after they upgraded ties 10 years ago in a show of unity against China.

Commitment to South China Sea Peace

• Marcos said Manila and Hanoi reaffirmed that maintaining peace, stability, and the freedom of navigation and overflight in the South China Sea "remains non-negotiable."

• He added that both countries "remain resolute in their commitment to the peaceful resolution of disputes," grounded on international law, particularly the 1982 UNCLOS treaty and the 2016 South China Sea arbitral award.

Shared Vision and Strategic Interests

• To Lam said the Philippines is an "important regional partner of Vietnam", citing a similar vision and strategic interests, and strong commitments for peace and stability. "We always want to bring the strategic partnership with the Philippines to a new high."

• To Lam said he and Marcos agreed to have closer coordination to "effectively respond" to regional and global challenges.

Agreements and Economic Cooperation

Signed Agreements

• The Philippines and Vietnam signed deals on defense cooperation, information and technology, tourism and education.

Security and Defence Initiatives

• Speaking after the meeting with Marcos, To Lam said Vietnam and the Philippines agreed to enhance security and defence cooperation.

Economic and Food Security

Boosting Economic Ties

• He said they will also seek to boost economic ties and will work together to ensure food security.

Rice Trade Relations

• Vietnam is the largest supplier of rice to the Philippines.

Maritime Cooperation

• The Philippine and Vietnamese coast guards held their first joint exercises in 2024, despite overlapping claims to some South China Sea features.

Reporting Credits

(Reporting by Mikhail Flores and Nestor Corrales; Additional reporting by Khanh Vu in Hanoi; Editing by John Mair and Thomas Derpinghaus)

Key Takeaways

  • The upgraded enhanced strategic partnership underscores deeper political, defense, and people-to-people cooperation amid global uncertainty. (marketscreener.com)
  • Vietnam remains the Philippines’ primary rice supplier, now under a secured 1.5M‑metric‑ton deal at fixed $450/ton price through April 2027, strengthening food security. (gmanetwork.com)
  • Coast guard and maritime collaboration continues post-2024’s first joint exercises, reflecting both countries’ commitment to rules-based dispute resolution under UNCLOS. (marketscreener.com)

References

Frequently Asked Questions

What is the new status of Philippines-Vietnam relations?
The Philippines and Vietnam have upgraded their ties to an enhanced strategic partnership focused on deeper cooperation.
Why is the South China Sea peace considered non-negotiable by both countries?
Both countries reaffirmed that peace, stability, and freedom of navigation and overflight in the South China Sea are essential and non-negotiable.
What agreements were signed during the state visit?
The Philippines and Vietnam signed agreements on defense cooperation, IT, tourism, and education.
How do Philippines and Vietnam cooperate on security?
They conduct joint coast guard exercises and enhance defense cooperation to address regional challenges.
What is the economic relationship between the Philippines and Vietnam?
Vietnam is the largest supplier of rice to the Philippines, and both nations aim to further boost economic ties.

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