Relationship dossier

Bulgaria United Kingdom

Relationship assessment

NATO allies with a bilateral strategic partnership covering defense, security and law enforcement

Bulgaria toward United Kingdom

+35

Bulgaria cooperates with the United Kingdom through NATO and joined the bilateral strategic partnership established in 2022, which provides for cooperation in areas including defense, security and law enforcement.

United Kingdom toward Bulgaria

+35

The United Kingdom cooperates with Bulgaria through NATO and joined the bilateral strategic partnership established in 2022, providing a framework for cooperation in areas including defense, security and law enforcement.

Overall relationship

+35

The relationship is underpinned by NATO alliance and a bilateral strategic partnership established in 2022. These durable frameworks support cooperation on defense, security and law enforcement, although the extent of their practical implementation 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

Knowledge coverageLimited

Overview

Bulgaria and the United Kingdom cooperate as NATO allies and established a bilateral strategic partnership in 2022. Their cooperation includes defense and security and law-enforcement matters. The partnership provides a framework for sustained cooperation, though its implementation across specific areas is not fully clear.

Key developments

Major uncertainties

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