UN’s peacekeeping mission in disputed Western Sahara ends after 35 years

by | Nov 2, 2026 | Top Stories

UN's peacekeeping mission in disputed Western Sahara ends after 35 years

The United Nations’ peacekeeping presence in Western Sahara formally ended on November 1, 2026, concluding more than three decades of international engagement in the disputed territory. The termination followed a diplomatic stalemate at U.N. Security Council headquarters, where Russia vetoed a U.S.-backed resolution supporting Morocco’s sovereignty claims, and a competing Russian extension proposal subsequently failed to gain approval. The abrupt collapse of negotiations left no consensus for continuing the mission.

Western Sahara, a mineral-rich desert region approximately the size of Colorado located along Africa’s northwestern coast, remains contested between Morocco and the Polisario Front, a pro-independence movement. Morocco has controlled most of the territory since 1975, when it annexed the former Spanish colony, though a narrow area east of a Moroccan-built sand wall remains outside its direct administration. The competing claims stem from an armed conflict that erupted after Morocco’s annexation, resulting in more than 15,000 deaths before a U.N.-brokered ceasefire took effect in 1991.

The peacekeeping operation, formally known as the U.N. Mission for the Referendum in Western Sahara, was established following the ceasefire to oversee a planned self-determination referendum. The vote never materialized due to disagreements over voter eligibility, with Morocco seeking to include residents under its control while the Polisario insisted on using Spain’s colonial census. Morocco’s royal palace characterized the mission’s termination as beneficial, calling it an instrument used to internationalize the dispute. The Polisario Front, backed by Algeria, denounced the decision and criticized what it described as bias in the U.S. resolution.

The mission’s dissolution raises regional stability concerns as Morocco and Algeria, rival regional powers, face heightened tensions. The Polisario Front withdrew from the ceasefire in 2020, and low-intensity hostilities have since persisted. Algeria severed diplomatic relations with Morocco in 2021, and analysts warn that the mission’s end risks further deterioration of bilateral relations and potential military escalation in the region.

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