Relationship dossier
Cambodia
Thailand
Relationship assessment
Border cooperation coexists with recurring disputes and past armed clashes.
Cambodia toward Thailand
-20Cambodia joined Thailand in the 2000 memorandum establishing a framework for land-boundary demarcation. Cambodian forces also fought Thai forces in clashes along the disputed border during 2008–2011.
Thailand toward Cambodia
-20Thailand joined Cambodia in the 2000 memorandum establishing a framework for land-boundary demarcation. Thai forces also fought Cambodian forces in clashes along the disputed border during 2008–2011.
Overall relationship
-20The bilateral relationship combines a formal framework for boundary work with persistent disputes over parts of the land border, including the Preah Vihear area. Armed clashes in 2008–2011 demonstrate that these disputes have at times escalated beyond diplomacy, while continued use of joint mechanisms provides a channel for cooperation.
How to read these scores
Scores are rough judgments, not objective measurements or current verification. Directional scores describe government policy and conduct, not public opinion. The overall score is an independent estimate, never an average.
- −100
- Extreme sustained hostility
- −50
- Substantially adversarial
- 0
- Mixed or neutral, supported by knowledge
- +50
- Substantially cooperative
- +100
- Exceptionally close sustained partnership
“Not assessed” means there is no recorded score. Pair existence makes no claim about diplomatic recognition or established relations.
Relationship context
Overview
Cambodia and Thailand maintain substantial bilateral ties and have used joint mechanisms to address their land border, including a 2000 memorandum on boundary demarcation. Their relationship has also been strained by competing claims around the Preah Vihear area and armed clashes along the border in 2008–2011. Cooperation and recurring security tensions have both shaped the relationship.
Areas of tension
- Competing claims and boundary demarcation near the Preah Vihear temple area.
- Armed clashes along sections of the Cambodia–Thailand border in 2008–2011.
Key developments
Cambodia and Thailand signed a memorandum of understanding establishing a framework for land-boundary demarcation.
Armed clashes between Cambodian and Thai forces occurred along disputed border areas, including near Preah Vihear.
Major uncertainties
- The extent to which boundary-demarcation mechanisms have advanced remains unclear.
- The implementation and current status of bilateral arrangements on border management are uncertain.