Escalating China-ASEAN tensions threaten South China Sea Code of Conduct talks
Tensions in the South China Sea are rising sharply as China and ASEAN nations edge closer to finalizing a decades-long Code of Conduct. Over the past month, Chinese and Philippine forces have clashed at least six times near disputed islands including Scarborough Shoal and the Spratly Islands, involving ramming tactics and water cannons. In mid-October, China's ambassador to the Philippines made remarks suggesting Beijing could easily defeat Manila militarily, prompting a formal diplomatic protest. Meanwhile, the USS Charleston conducted freedom of navigation operations near disputed territory, drawing Chinese naval monitoring in response. The region handles approximately 3.5 trillion dollars in annual maritime trade. A Code of Conduct targeting a November 2026 deadline aims to reduce confrontations, though significant disagreements persist over its legal enforceability and geographic scope, with Vietnam and the Philippines demanding binding arbitration while China remains skeptical. The 2016 international tribunal ruling rejected China's sweeping territorial claims, but Beijing has refused to accept it. Multiple countries maintain overlapping sovereignty claims, and incidents continue despite ongoing diplomatic efforts.
Key facts
- China and Philippine forces clashed at least six times since October 1, 2026, at Scarborough Shoal, Second Thomas Shoal, and the Spratly Islands
- An international tribunal at The Hague ruled in 2016 that China's nine-dash line claim had no legal basis under maritime law; China rejected the ruling
- The South China Sea Code of Conduct negotiations aim for finalization by end of 2026, with nearly 70 percent agreed upon as of December 2025
- Approximately 3.5 trillion dollars in annual maritime trade passes through the South China Sea
- China's maritime militia presence in the Spratly Islands increased 14 percent between 2024 and 2026
- The Philippines, Vietnam, and other claimants maintain overlapping territorial claims with China in the region
- US treaty commitments extend defense coverage to Philippine military forces and Coast Guard ships throughout the South China Sea
How different outlets framed it
Left-leaning coverage: Left-leaning outlets emphasize China's historical regional role and concerns about Western military interference, particularly US freedom of navigation operations that challenge Chinese authority. They frame the disputes as reflective of colonial-era legacies and highlight how Western powers use international law selectively to constrain China while privileging their own strategic interests in the region.
Right-leaning coverage: Right-leaning outlets stress China's rejection of the 2016 arbitral ruling and its use of aggressive gray-zone tactics as destabilizing. They emphasize the US treaty commitment to the Philippines and Japan, frame the situation as a test of American resolve, and argue that freedom of navigation operations are essential to upholding international law and deterring further Chinese expansion.
Limits of this briefing
Coverage is heavily influenced by geopolitical positioning, with China-aligned sources largely unavailable in English mainstream media. Left-leaning Western outlets are limited in this sample, and the dispute involves multiple claimants whose perspectives are underrepresented; this analysis draws primarily from US, regional English-language, and international sources.
Sources
- Voice of America: China-Philippines War of Words Raises South China Sea Tensions Centre
- USNI News: Philippine and Chinese Incidents Spike in South China Sea, Luzon Strait Right
- Council on Foreign Relations: Territorial Disputes in the South China Sea Centre
- CGTN: Explainer: Why China's claims on South China Sea are legitimate Left
- Modern Diplomacy: Could China-US Naval Tensions Trigger Wider Standoff? Centre