The 80th Session of the United Nations General Assembly begins September 9th.




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.


Global Goals Week.
September 19-28, 2025.
Global Goals Week is back this year with more than 170 supporters — across civil society, business, academia, and the UN system — who are ready to push for progress on the SDGs. With just five years to go until the 2030 deadline, Global Goals Week supporters will bring renewed urgency to the call to deliver on the Goals’ universal promise to leave no one behind. Learn More


Climate Week NYC.

September 21-28, 2025.
Held annually alongside the UN General Assembly, Climate Week NYC brings together leaders from across government, business, tech, academia, and civil society for hundreds of events, activations, campaigns, and critical discussions on the imperative and potential of climate action.Learn More



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News and Resources

Check out the latest news and resources to help you prepare for the 2025 UN General Assembly:

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