The 80th session of the UN General Assembly (UNGA) opens on September 9, 2025. Two weeks later, High-Level General Debate kicks off Tuesday, September 23, 2025.
As the United Nations marks its 80th year, global leaders will convene in New York City to build consensus and confront complex global challenges. Eight decades after its establishment, the UN remains the only place on Earth where countries can gather to work through their differences and find common ground — shaping our shared future.
Explore this page for updates on events and expert commentary on UNGA 80.
Each September, world leaders convene at UN Headquarters in New York City for the UN General Assembly. For decades, UNGA has remained an essential forum to address the world’s most pressing challenges. But when is UNGA? What does the General Assembly do – and how can you get involved?
EXPLORE FAQsSeptember 23, 2025
At UNGA 80, world leaders will explore solutions to global challenges to advance peace, security, and sustainable development, under the theme, “Better Together: 80 years and more for peace, development, and human rights.”
September 24, 2025
Ahead of COP 30 in Brazil, The UN Secretary-General will convene a Climate Summit to serve as a platform for world leaders to present their new national climate action plans and seize the benefits of the new clean energy era.
September 25, 2025
This event will mark an opportunity to adopt a new political declaration on Noncommunicable Diseases (NCDs) and mental health conditions toward 2030 and beyond.
Check out the latest news and resources to help you prepare for the 2025 UN General Assembly: