Vietnam island building in Spratlys may soon surpass China's

📰 IN NEWS – Vietnam’s Island Building in Spratlys (2025)

🌍 Static Background (For UPSC)

  • The Spratly Islands are a disputed archipelago in the South China Sea (SCS).
  • Claimed (wholly or partly) by: China, Vietnam, Philippines, Malaysia, Brunei, Taiwan.
  • Strategic importance:
    • Rich in oil, gas & fisheries.
    • Lies on one of the world’s busiest sea lanes (⅓ of global trade passes through SCS).
  • International Law: UNCLOS (1982) governs maritime claims.
  • 2016 Hague PCA Ruling: Invalidated China’s “Nine-Dash Line” claims → China rejected.

📌 Context (2025 Update)

  • Vietnam has significantly expanded island-building in the Spratlys.
  • Report: CSIS Asia Maritime Transparency Initiative (U.S.).
  • Vietnam may soon match or surpass China in land reclamation.

🔑 Key Findings (CSIS Report, Aug 2025)

  • Since 2021, Vietnam expanded reclamation on all 21 features it occupies.
  • 2025 activity: Dredging & landfill at Alison Reef, Collins Reef, East Reef, Landsdowne Reef, Petley Reef.
  • Extra expansion at Amboyna Cay, Grierson Reef, West Reef.
  • By March 2025 → Vietnam had created ~70% of China’s artificial land in Spratlys.
  • Vietnam is on track to surpass Beijing’s reclamation scale.

🏝️ Military Infrastructure

  • Munitions depots & facilities at: Barque Canada Reef, Discovery Great Reef, Ladd Reef, Namyit Island, Pearson Reef, Sand Cay, Tennent Reef.
  • Airstrips:
    • Vietnam currently → 1 airstrip at Spratly Island.
    • New runway under construction at Barque Canada Reef.

⚔️ Geopolitical Angle

  • China’s position: Opposes Vietnam’s construction (esp. Barque Canada Reef).
  • Claimants in Spratlys: China, Vietnam, Philippines, Malaysia, Brunei, Taiwan.
  • U.S. & allies: Oppose Chinese militarization; now monitoring Vietnam too.
  • Raises risk of militarization & confrontation in SCS.


Prelims Bits

  • Spratly Islands = Disputed archipelago in South China Sea.
  • PCA 2016 ruling → struck down China’s Nine-Dash Line.
  • Vietnam’s airstrips → Spratly Island (existing), Barque Canada Reef (under construction).

    Updated - August 23, 2025 2:15 AM  | Reuters