Relationship dossier
Tonga
United States
Relationship assessment
Tonga and the United States have cooperated on military operations and disaster response.
Tonga toward United States
+35Tonga contributed troops to the U.S.-led coalition in Iraq, demonstrating concrete support for a major U.S. military operation.
United States toward Tonga
+35The United States provided disaster assistance to Tonga after the 2022 volcanic eruption and tsunami, including humanitarian support.
Overall relationship
+35The relationship includes Tonga’s participation in a U.S.-led military coalition and U.S. assistance following a major disaster in Tonga. These examples indicate practical cooperation, but do not establish the breadth or durability of wider bilateral coordination.
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
Tonga has supported U.S.-led military operations, including by contributing troops to the Iraq coalition. The United States has provided disaster assistance to Tonga, including after the 2022 Hunga Tonga–Hunga Ha’apai volcanic eruption and tsunami. These concrete instances point to a cooperative relationship, though its full scope and continuity are unclear.
Key developments
Tonga contributed troops to the U.S.-led coalition in Iraq.
The United States provided disaster assistance to Tonga following the Hunga Tonga–Hunga Ha’apai eruption and tsunami.
Major uncertainties
- The scope and continuity of Tonga’s military cooperation with the United States are unclear.
- Details of long-term U.S. development and disaster-response cooperation with Tonga are limited.