Relationship dossier
Oman
Yemen
Relationship assessment
Omani mediation and humanitarian support coexist with border-security concerns and strains related to Yemen’s conflict.
Oman toward Yemen
+35Oman has facilitated diplomatic contacts related to Yemen’s conflict and supported humanitarian assistance for Yemen. Its role has emphasized mediation and engagement with multiple parties rather than direct military involvement.
Yemen toward Oman
+20Yemen and Oman have maintained bilateral border arrangements, including an agreement delimiting their boundary. Yemeni authorities have also raised concerns over alleged arms transfers through Oman to the Houthis, allegations Oman has denied.
Overall relationship
+25The relationship is shaped by a shared border, established boundary arrangements, and Oman’s role as a diplomatic intermediary in Yemen’s conflict. Humanitarian engagement and dialogue provide cooperative features, while the conflict and related security allegations complicate 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
Oman has played a facilitating role in Yemen-related diplomacy, including hosting and supporting contacts among parties to the conflict, and has provided humanitarian assistance. The two countries also have a history of border arrangements and security concerns. Yemen’s prolonged conflict complicates bilateral relations, including allegations that Oman has served as a route for arms transfers to the Houthis, which Oman has denied.
Areas of tension
- Allegations that arms have been transferred through Oman to the Houthis, which Oman has denied.
- Border security concerns connected to Yemen’s prolonged conflict.
Key developments
Oman and Yemen concluded an agreement delimiting their shared boundary.
Oman facilitated diplomatic contacts concerning Yemen’s conflict.
Oman provided humanitarian assistance related to Yemen.
Major uncertainties
- The extent and implementation of current border and security cooperation are unclear.
- The scale and practical effects of Omani diplomatic and humanitarian support to Yemen are uncertain.
- Details of the allegations concerning arms transfers through Oman and their impact on government-to-government relations remain unclear.