UN General Debate Opens Today as World Leaders Gather in New York

The United Nations General Debate begins in New York today and will run through September 28, bringing presidents, prime ministers, monarchs and senior representatives from all 193 member states to the United Nations General Assembly (UNGA) for one of the world’s most influential diplomatic gatherings. Over the next week, leaders will outline their countries’ priorities on peace, security, climate change, economic development and international cooperation.

This year’s opening session follows a tradition that has defined the General Debate for more than seven decades. Brazilian President Luiz Inácio Lula da Silva will deliver the first address, followed by U.S. President Donald Trump. The speaking order reflects a long-standing UN convention under which Brazil speaks first, a role it has held since 1955 after volunteering when other nations were reluctant to open the debate, while the United States follows as the host nation because the UN headquarters is located in New York. The remaining speaking order is determined by the UN, taking into account the level of representation, previous speaking slots and balanced opportunities among member states.

Unlike a parliamentary debate, the General Debate is not a forum where leaders argue directly with one another. Instead, each country presents a national statement outlining its foreign policy vision, concerns and proposals for addressing shared global challenges. The speeches often serve as diplomatic roadmaps, signalling priorities that shape international negotiations throughout the year.

The 2026 session arrives at a particularly consequential moment for the international community. Armed conflicts, humanitarian crises, rising debt burdens, climate emergencies and the rapid expansion of artificial intelligence are expected to dominate discussions, alongside renewed calls to strengthen multilateral institutions and reform global governance.

Beyond the speeches delivered from the General Assembly’s iconic green marble podium, the week is equally significant for the diplomacy taking place behind closed doors. Dozens of bilateral meetings, regional consultations and high-level negotiations are scheduled, providing opportunities for governments to advance peace initiatives, trade partnerships and development agreements.

For African nations, the General Debate offers a prominent platform to advocate for increased climate financing, sustainable development, food security and greater representation within international decision-making bodies. Many leaders are also expected to press for reforms that would give the continent a stronger voice in institutions that shape global economic and security policy.

Although the General Debate does not produce binding resolutions, it frequently defines the diplomatic tone of the year ahead. The messages delivered this week will influence negotiations on peace, development and international cooperation, reinforcing the UN’s enduring role as the only global forum where every nation, regardless of size or power, has an equal opportunity to address the world.