The United Nations is entering 2026 facing a systemic paralysis that threatens its very existence. As the organization prepares to replace Secretary-General António Guterres on January 1, it finds itself trapped between a rigid post-war security architecture and a modern geopolitical reality that no longer recognizes its authority. The stakes of this succession are not merely administrative; the UN is fighting for its survival amid a profound crisis del multilateralismo that has left the body financially depleted and diplomatically sidelined.
The current state of the organization is characterized by a “glass ceiling” for female leadership, “feet of clay” in the form of mounting debts and a “corset” of veto powers that block effective action. This dysfunction is most evident in the Security Council, where the five permanent members continue to wield veto rights based on a 1945 power balance, effectively manacling the UN’s ability to respond to contemporary conflicts in Ukraine, Iran, South Sudan, and Lebanon.
This institutional fragility is being exacerbated by the “America First” approach of the Trump administration, which has increasingly treated the UN as a platform to justify unilateral actions rather than a forum for global cooperation. In March, during the U.S. Rotating presidency of the Security Council, the agenda was heavily skewed toward U.S. And Israeli interests, including a resolution condemning Iranian attacks while omitting the preceding actions by the U.S. And Israel that triggered the escalation.
The Financial Precipice and the U.S. Debt
Beyond the diplomatic stalemate, the UN is grappling with a critical liquidity crisis driven by the largest contributor. The United States has systematically distanced itself from various UN agencies, creating a financial void that threatens basic operations. In 2025, Washington contributed only 4.3% of its 22% quota, leaving an outstanding balance of approximately $4 billion.
The disparity in U.S. Spending priorities is stark. While the U.S. Recently paid a mere $160 million toward its $4 billion UN debt, it agreed in October to a $20 billion currency exchange mechanism with the administration of Javier Milei in Argentina. This reluctance to fund the multilateral system is a cornerstone of the current crisis, as membership dues are proportional to national wealth, making the UN uniquely vulnerable to U.S. Budgetary whims.
Richard Gowan, director of the Global Affairs and Institutions Program at the International Crisis Group, notes that the next leader must be more than a diplomat; they must be an effective manager capable of rationalizing a system that is both overly bureaucratic and severely underfunded. Gowan suggests that the organization may require to reduce its overall size to survive, forging a “low-cost multilateralism” that prioritizes efficiency over expansive bureaucracy.
The Race for Secretary-General: A Trio of Contenders
The field of candidates to succeed António Guterres has narrowed from five to three. The selection process is now a proxy for the direction the organization will take: whether it will continue with cautious diplomacy or pivot toward a more risk-tolerant approach to crisis management.
| Candidate | Profile | Key Challenges/Assets |
|---|---|---|
| Rebeca Grynspan | Costa Rican; UN Veteran | Seen as a neutral, establishment figure with deep institutional knowledge. |
| Michelle Bachelet | Former President of Chile | Strong feminist profile; faces opposition from China and the current U.S. Administration. |
| Rafael Grossi | Argentine; IAEA Director | Technical expertise in nuclear diplomacy; performance in the Iran conflict is a key variable. |
The possibility of the first female Secretary-General in 80 years has sparked a debate about the “glass cliff.” Professor Jennifer Parlamis of the University of San Francisco warns that appointing a woman during a period of acute institutional crisis often follows a documented pattern where women are placed in precarious leadership roles precisely when an organization is most likely to fail.
Though, advocates like the GWL Voices platform argue that female leadership is a necessity for renewal. They point to a stark history of exclusion: from 1947 to December 2025, only 8% of permanent representatives to the UN were women. In the first decade of the UN’s existence, there were no female ambassadors at all. For many in the Global South, the appointment of a woman would signal a long-overdue shift away from the stagnant power dynamics of the mid-20th century.
Diplomacy in a “World on Fire”
The incoming Secretary-General will inherit a landscape where the UN’s credibility as a peacemaker has eroded. From the stalemate in Gaza to the wars in Ukraine and Sudan, the Security Council is frequently paralyzed by the veto power of its permanent members. Gowan observes that Guterres often appeared fatalistic regarding his inability to influence large-scale wars, leading diplomats to hope that his successor will be more willing to take political risks.
The path to peace may lie in “unofficial diplomacy.” While the formal Council remains deadlocked, a strategic leader could operate in the shadows, mediating between Washington, Moscow, and Beijing. There are early signs of shifting tectonic plates; for instance, Russia and China recently abstained from a resolution condemning Iran, and similarly abstained from a U.S.-led peace plan for Gaza in November. These abstentions suggest a potential opening for a mediator who can navigate the gaps between superpower interests.
Michelle Bachelet has already proposed a radical departure from the current funding model, suggesting a shift from per-capita contributions to a model of “global public investment.” This would treat the UN’s survival as a collective global responsibility, directly challenging the “every nation for itself” rhetoric currently emanating from Washington.
The next critical checkpoint will be the finalization of the candidate shortlist and the subsequent vote by the General Assembly, which must be concluded before the January 1 transition. The outcome will determine whether the UN can evolve into a leaner, more representative body or if it will remain a relic of a bygone era, unable to extinguish the fires of a fragmented world.
We invite our readers to share their perspectives on the future of multilateralism in the comments below.
