Relationship dossier
Nigeria
São Tomé and Príncipe
Relationship assessment
A bilateral offshore petroleum zone provides a framework for cooperation.
Nigeria toward São Tomé and Príncipe
+35Nigeria joined São Tomé and Príncipe in establishing the Joint Development Zone through the 2001 bilateral treaty, creating a framework for joint management and licensing of offshore petroleum resources.
São Tomé and Príncipe toward Nigeria
+35São Tomé and Príncipe joined Nigeria in establishing the Joint Development Zone through the 2001 bilateral treaty, creating a framework for joint management and licensing of offshore petroleum resources.
Overall relationship
+35The relationship has a concrete, durable cooperative framework in the Joint Development Zone, established by bilateral treaty in 2001. The arrangement concerns shared offshore petroleum resources, though the extent of its implementation and broader cooperation is unclear.
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
Nigeria and São Tomé and Príncipe established a Joint Development Zone for shared offshore petroleum resources through a bilateral treaty in 2001. The arrangement created a framework for joint management and licensing, providing concrete, sustained cooperation, although its implementation and results have been uneven or unclear.
Key developments
Nigeria and São Tomé and Príncipe signed a treaty establishing a Joint Development Zone for shared offshore petroleum resources.
Major uncertainties
- The extent and continuity of petroleum development under the Joint Development Zone are unclear.
- The scope of other bilateral cooperation is unclear.