Relationship dossier
Cameroon
Nigeria
Relationship assessment
A major territorial dispute was resolved through adjudication and negotiated transfer, alongside regional security cooperation.
Cameroon toward Nigeria
+20Cameroon pursued its claim to Bakassi through the International Court of Justice and accepted the court's 2002 judgment. It worked with Nigeria on the Green Tree Agreement and the subsequent transfer of the peninsula, while bilateral border and security issues have remained potential sources of friction.
Nigeria toward Cameroon
+20Nigeria accepted the International Court of Justice's 2002 judgment on Bakassi and, under the Green Tree Agreement, transferred the peninsula to Cameroon in 2008. Nigeria's compliance helped resolve the principal sovereignty dispute, though border and security concerns have continued to require attention.
Overall relationship
+20The bilateral relationship is shaped by the peaceful resolution of the Bakassi sovereignty dispute after years of tension, with the Green Tree Agreement providing a framework for implementation. Regional security cooperation adds a practical cooperative dimension, while border and security concerns temper the relationship.
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
Cameroon and Nigeria have managed a serious territorial dispute through international adjudication and negotiated implementation. Nigeria transferred the Bakassi Peninsula to Cameroon under the Green Tree Agreement, and the two governments have also cooperated on regional security challenges. The relationship has included friction around their border and security, but the peaceful resolution of the central sovereignty dispute is a major feature of bilateral ties.
Areas of tension
- The historical sovereignty dispute over the Bakassi Peninsula.
- Border management and security concerns in areas along the Cameroon–Nigeria frontier.
Key developments
The International Court of Justice ruled on the Cameroon–Nigeria boundary dispute, including sovereignty over Bakassi.
Cameroon and Nigeria signed the Green Tree Agreement to implement the International Court of Justice judgment, including arrangements for Nigeria's withdrawal from Bakassi.
Nigeria transferred the Bakassi Peninsula to Cameroon under the Green Tree Agreement.
Major uncertainties
- The extent and consistency of current bilateral security cooperation are unclear.
- The status of practical cooperation on border management and local disputes is uncertain.