Relationship dossier
Lithuania
Sweden
Relationship assessment
Close Baltic and Nordic security partners with sustained cooperation in European and transatlantic institutions.
Lithuania toward Sweden
+75Lithuania cooperates with Sweden through NATO, the European Union, and Nordic-Baltic regional formats, including on Baltic Sea security and support for Ukraine. Lithuania’s security policy has welcomed Sweden’s NATO membership, which strengthened shared regional defense arrangements.
Sweden toward Lithuania
+75Sweden supported Lithuania’s integration into the European Union and NATO and cooperates with Lithuania on regional security and support for Ukraine. Sweden’s 2024 accession to NATO placed both countries within the same transatlantic defense alliance.
Overall relationship
+75The relationship is a sustained strategic partnership shaped by shared Baltic Sea security concerns and overlapping EU and NATO membership. Sweden’s support for Lithuania’s Western integration and the countries’ cooperation on regional security provide substantial bilateral foundations, with no major enduring bilateral dispute defining ties.
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
Lithuania and Sweden maintain a close partnership grounded in Baltic Sea security, Nordic-Baltic cooperation, and extensive institutional ties. Sweden supported Lithuania’s accession to the European Union and NATO, and the two countries cooperate within both organizations. Their governments have also strengthened regional security cooperation in response to Russia’s invasion of Ukraine. Sweden’s accession to NATO in 2024 further aligned the countries’ security frameworks.
Key developments
Sweden supported Lithuania’s accession to the European Union.
Sweden supported Lithuania’s accession to NATO.
Sweden joined NATO, bringing it into the same alliance framework as Lithuania.
Major uncertainties
- The scale and implementation of specific bilateral defense projects are unclear.
- The balance of cooperation across security, energy, and economic policy may have evolved over time.