World leaders are gathering in New York this week for the United Nations General Assembly's high-level week, the annual event where heads of state and government, foreign ministers, and senior diplomats from nearly every country address the assembly and hold sideline meetings on the issues of the day.
The General Assembly has convened every autumn since the United Nations was founded in 1945, and its high-level week has become the closest thing the world has to a single yearly meeting point for global diplomacy. Leaders use the week both for public speeches in the assembly hall and for private, often more consequential, meetings held on the margins in New York hotels and diplomatic missions.
This year's gathering arrives against a backdrop that includes fresh tension in the Middle East following a weekend attack on Saudi Arabia and continued U.S.-Iran friction, along with intensifying global debate over how to govern artificial intelligence as the technology advances quickly. Trade and economic policy are also likely to be a undercurrent, with markets already focused on an anticipated meeting between President Trump and China's Xi Jinping.
Because so many leaders and diplomats are in one place for a short window, high-level week often produces unplanned diplomatic developments alongside the scheduled speeches, from bilateral meetings that were not on the public schedule to informal contacts between officials from countries that otherwise have limited direct communication.
Watch for which leaders hold notable sideline meetings this week and whether any breakthroughs emerge on Middle East tensions or AI governance discussions happening in parallel.
What is UN General Assembly high-level week?
It is the annual gathering in New York where national leaders address the General Assembly and hold sideline diplomatic meetings, held every September since the UN's founding in 1945.
Why does it matter this year in particular?
It coincides with heightened Middle East tension, active debate over AI regulation, and anticipation of a Trump-Xi summit, giving leaders several urgent issues to discuss on the sidelines.