Relationship dossier

Isle of Man United States

Relationship assessment

Focused Isle of Man–United States cooperation on tax information exchange

Isle of Man toward United States

+20

The Isle of Man entered into tax information exchange arrangements with the United States, including an agreement supporting implementation of FATCA. These are concrete areas of cooperation, while the United Kingdom retains responsibility for the Isle of Man’s international relations.

United States toward Isle of Man

+20

The United States established tax information exchange arrangements with the Isle of Man, including an agreement supporting implementation of FATCA. This represents focused government cooperation; broader bilateral engagement is unclear.

Overall relationship

+15

The enduring relationship includes specific cooperation on tax information exchange, but the Isle of Man’s international relations are the responsibility of the United Kingdom and the known cooperation is concentrated in technical tax matters. This supports a limited, issue-specific relationship rather than a broad partnership.

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

The Isle of Man is a self-governing Crown Dependency, while the United Kingdom is responsible for its defence and international relations. Isle of Man–United States cooperation is chiefly reflected in tax information exchange arrangements, including a tax information exchange agreement and a later agreement implementing FATCA. These provide concrete but technically focused cooperation rather than evidence of a broad bilateral partnership.

Key developments

Major uncertainties

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