Relationship dossier

Denmark Iceland

Relationship assessment

Longstanding Nordic partnership, grounded in shared history and continuing cooperation

Denmark toward Iceland

+45

Denmark recognized Iceland’s sovereignty under the 1918 Act of Union and accepted the end of the union when Iceland became a republic in 1944. The two governments also cooperate through Nordic institutions.

Iceland toward Denmark

+40

Iceland entered the 1918 Act of Union with Denmark and later established a republic in 1944, ending the union. Iceland and Denmark continue to cooperate through Nordic institutions.

Overall relationship

+45

The relationship combines a shared constitutional history with continuing cooperation through Nordic institutions. The 1918 Act of Union recognized Iceland’s sovereignty, and the union ended when Iceland became a republic in 1944. This enduring framework supports a close relationship, although the scope of direct 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

Knowledge coverageLimited

Overview

Denmark and Iceland have a longstanding, close relationship shaped by Nordic cooperation and their shared constitutional history. Denmark recognized Iceland’s sovereignty under the 1918 Act of Union, and Iceland became a republic in 1944, ending the union with Denmark. Their governments continue to cooperate through Nordic institutions, though the scope and implementation of specific bilateral cooperation are not fully clear.

Key developments

Major uncertainties

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