Relationship dossier
Portugal
Singapore
Relationship assessment
Portugal and Singapore have cooperative ties supported by a bilateral tax treaty.
Portugal toward Singapore
+30Portugal concluded a bilateral agreement with Singapore to avoid double taxation, establishing a framework for tax cooperation and cross-border economic activity.
Singapore toward Portugal
+30Singapore concluded a bilateral agreement with Portugal to avoid double taxation, establishing a framework for tax cooperation and cross-border economic activity.
Overall relationship
+30The relationship includes a durable bilateral tax-cooperation framework. The known substantive basis for the relationship is narrower than a broad strategic partnership, and the extent of other bilateral 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
Portugal and Singapore maintain cooperative bilateral relations, including a bilateral agreement to avoid double taxation. The treaty provides a concrete framework for economic relations, though the breadth of other government-to-government cooperation is unclear.
Key developments
Portugal and Singapore concluded a bilateral agreement to avoid double taxation.
Major uncertainties
- The scope and implementation of cooperation beyond the double-taxation agreement are unclear.