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Relationship dossier

Japan Lithuania

Relationship assessment

Japan and Lithuania maintain a strategic partnership focused on political dialogue and shared security concerns.

Japan toward Lithuania

+35

Japan established a strategic partnership with Lithuania in 2022 and has pursued closer political and security cooperation with the Lithuanian government.

Lithuania toward Japan

+35

Lithuania established a strategic partnership with Japan in 2022 and has pursued closer political and security cooperation with the Japanese government.

Overall relationship

+35

The relationship is defined by a strategic partnership and political alignment on major security issues, including support for Ukraine. These features support a cooperative assessment, while the partnership’s practical scope and depth remain 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

Japan and Lithuania have developed a cooperative relationship centered on political dialogue and shared security concerns. In 2022, the two governments established a strategic partnership, providing a framework for closer cooperation. Their alignment on support for Ukraine and opposition to Russia’s invasion also reinforces ties, though the breadth and implementation of bilateral cooperation are less clear.

Key developments

Major uncertainties

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