# Thailand–Cambodia Border Clashes: Causes, Escalation, and ASEAN Impact

- Link: https://www.thailand-business-news.com/asean/236247-thailand-cambodia-border-clashes-causes-escalation-and-asean-impact
- Published: 2025-07-28T10:31:24+07:00
- Author: ASEAN Briefing

**In July 2025, Thailand and Cambodia’s border conflict escalated, causing 32 deaths,
displacing 140,000 civilians, rooted in colonial demarcations and sovereignty disputes
over Preah Vihear Temple.**

### Escalation of the Thailand-Cambodia Border Conflict in July 2025

In July 2025, clashes intensified along the Thailand–Cambodia border, marking the
worst confrontation in over ten years. Heavy artillery, rocket attacks, and Thai
airstrikes resulted in at least 32 deaths and displaced more than 140,000 civilians,
highlighting the severity of the conflict. The violence underscores ongoing tensions
and the fragile security situation in the region.

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### Historical and Territorial Disputes

The conflict stems from colonial-era borders and disputes over the sovereignty of
the Preah Vihear Temple. Despite the International Court of Justice ruling in Cambodia’s
favor in 1962 and reaffirming this decision in 2013, ambiguities over bordering 
territories persist. Past flare-ups between 2008 and 2011 demonstrated how nationalist
sentiments and unresolved boundaries can quickly escalate into military clashes.

### Political and Social Implications

The territorial dispute has caused significant social and economic hardship, leading
to large-scale displacement. Domestic politics further complicate tensions; in Thailand,
Prime Minister Paetongtarn Shinawatra’s suspension following a leaked phone call
with Cambodia’s former leader has fueled internal political unrest and increased
scrutiny of government responses to the conflict.

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### Economic and business implications

The clashes have already disrupted a key trade corridor. In 2024, bilateral trade
between Thailand and Cambodia reached 174 billion baht (US$3.9 billion), with most
of it flowing through land checkpoints that are now closed. In the first five months
of 2025, trade exceeded 80 billion baht, but current disruptions are projected to
cut export values by up to 60 billion baht (US$1.7 billion) if closures persist.
Energy exports, agricultural shipments, and border manufacturing supply chains are
the most vulnerable.

Martial law introduces an additional layer of legal and operational complexity. 
Companies must comply with curfews and new permitting requirements for staff movement
and cargo transport in affected areas. Logistics and sourcing strategies will need
immediate reassessment, with contingency plans to reroute shipments and shift production
outside the security zones.

### Outlook and strategic considerations

The next phase depends on whether bilateral negotiations can produce a ceasefire
mechanism or whether ASEAN mediation can gain traction despite Thai reluctance. 
Martial law signals the Thai military’s expectation of a prolonged confrontation,
raising the likelihood of sustained disruption to trade and infrastructure development.

For foreign investors, the priority now is scenario planning: weighing the impact
of extended militarization, the potential for recurring conflict, and the regulatory
shifts that typically accompany heightened security environments. Additionally, 
investors must assess the long-term economic implications, including disrupted supply
chains, fluctuating currency values, and shifts in market demand. Strategic diversification
and partnerships with local entities may also become essential to mitigate risks
while maintaining operational resilience.

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