About the Organization

One place where nations gather, discuss shared challenges, and build common solutions.

The United Nations was founded in 1945 and now includes 193 Member States. Its work is guided by the UN Charter and focused on peace, humanitarian support, human rights, and international cooperation.

Founded: 1945 Member States: 193 Charter Effective: 24 Oct 1945

UN Purpose and Mission

The UN exists to support international peace and security, advance human rights, provide humanitarian assistance, foster development, and strengthen cooperation among nations.

193 Member States
6 Principal Organs
1945 Year Established
Global Operations and Partnerships

Historical Context

The United Nations was established after World War II to help prevent future global conflict. On April 25, 1945, representatives of 50 governments met in San Francisco to draft the UN Charter. The Charter was adopted on June 25, 1945 and came into force on October 24, 1945.

Since then, the UN has evolved to address changing global realities while keeping its core purpose: creating a forum where countries can work together toward peace, stability, and shared progress.

  • Maintains international peace and security.
  • Coordinates humanitarian response and protection efforts.
  • Supports sustainable development and global cooperation.
  • Promotes and protects human rights and international law.

Timeline Highlights

  1. 1945
    UN Charter adopted and organization officially began operations on October 24.
  2. 1960s+
    Major membership growth during decolonization, expanding global representation.
  3. Post-Cold War
    Expanded field missions and broader peacebuilding responsibilities.
  4. Today
    Supports peace, development, climate action, health, education, and humanitarian work.

UN Structure and Global Reach

The UN system includes six principal organs and many specialized agencies. Core offices are in New York, Geneva, Nairobi, and Vienna, with additional legal institutions and operations across the world.

UN leadership and diplomacy

Diplomacy and Governance

Includes the General Assembly, Security Council, and Secretariat functions.

Humanitarian and field operations

Field and Humanitarian Work

Supports aid delivery, mission coordination, and post-conflict stabilization.

UN global identity

Global Cooperation

Works with states, agencies, and civil society to coordinate multilateral solutions.