Relationship dossier
Portugal
Spain
Relationship assessment
Portugal and Spain sustain close cooperation, including regular bilateral summits and joint management of shared rivers.
Portugal toward Spain
+75Portugal works with Spain through regular bilateral summits and joint arrangements for managing shared river basins, including the Albufeira Convention. This supports sustained government-level cooperation on cross-border issues.
Spain toward Portugal
+75Spain works with Portugal through regular bilateral summits and joint arrangements for managing shared river basins, including the Albufeira Convention. This supports sustained government-level cooperation on cross-border issues.
Overall relationship
+75The relationship is underpinned by recurring bilateral consultation and practical cooperation on shared river management and other cross-border matters. These durable arrangements, alongside close European integration, support a substantially cooperative 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
Portugal and Spain maintain a close, sustained relationship shaped by regular bilateral cooperation and shared participation in European institutions. The two governments cooperate on management of cross-border rivers under the Albufeira Convention and hold regular bilateral summits. Their coordination also covers practical cross-border matters, including infrastructure and energy.
Key developments
Portugal and Spain concluded the Albufeira Convention, establishing a framework for cooperation on shared river basins.
Regular bilateral summits became a channel for government consultation and cooperation.
Major uncertainties
- The extent and implementation of bilateral coordination across infrastructure and energy sectors are unclear.
- The current priorities and outcomes of recent bilateral summits are not specified.