Relationship dossier

Cambodia Japan

Relationship assessment

A longstanding development and economic partnership, with some friction over political freedoms

Cambodia toward Japan

+45

Cambodia has engaged in bilateral economic cooperation with Japan, including through the bilateral investment agreement signed in 2007. Cambodian governments have also worked with Japan on development and infrastructure initiatives. The scope of Cambodia’s current policy cooperation with Japan is less clear.

Japan toward Cambodia

+55

Japan has provided substantial development assistance to Cambodia, including support for infrastructure, and played a significant role in the international peace process that led to Cambodia’s political settlement. Japan has also raised concerns about political freedoms in Cambodia.

Overall relationship

+50

The relationship is grounded in sustained Japanese development assistance, economic cooperation and Japan’s historical involvement in Cambodia’s peace process. These durable features outweigh periodic friction, including Japanese concerns about political freedoms, without eliminating it.

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

Knowledge coverageStrong

Overview

Cambodia and Japan maintain a sustained, substantially cooperative relationship, notably through Japanese development assistance, infrastructure projects and Japan’s role in Cambodia’s peace process. Their bilateral investment agreement provides a framework for economic cooperation. Japan has also expressed concern about Cambodia’s political freedoms, creating some friction alongside the extensive cooperation.

Areas of tension

Key developments

Major uncertainties

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