World leaders from nearly 130 nations gathered in New York this week for the 81st session of the United Nations General Assembly high-level week, with ongoing wars in the Middle East and Ukraine set to take center stage during the general debate.

The high-level debate begins Tuesday, September 22, under the theme "Restoring trust, managing transformation: A United Nations that delivers for all." U.S. President Donald Trump is scheduled to address the assembly that morning, followed by other heads of state and government through the week.

The U.S.-Israeli campaign against Iran, now more than six months old, has driven global inflation and destabilized the region. Iranian and U.S. forces continue to exchange strikes, while Houthi militants have threatened shipping lanes in the Bab el-Mandeb Strait. Iranian President Masoud Pezeshkian is set to speak on Wednesday, and Israeli Prime Minister Benjamin Netanyahu is expected on Thursday.

Russia's war in Ukraine, now in its fifth year, remains another focal point. Ukrainian President Volodymyr Zelenskiy will address the assembly on Wednesday, while Russian Foreign Minister Sergei Lavrov is scheduled for Saturday. Diplomats noted that Zelenskiy aims to bolster support ahead of another challenging winter.

Additional concerns include the risks posed by artificial intelligence and the United Nations' own financial and political strains. Chinese President Xi Jinping is bypassing the gathering for a meeting with Trump in Washington later in the week. The assembly also marks the start of the search for a successor to Secretary-General António Guterres.

No major diplomatic breakthroughs are anticipated during the week, as talks on both conflicts remain stalled. The General Assembly provides a platform for public statements, while private diplomacy among Security Council members is expected to occur away from the spotlight.