2001

1999

1997

1995

The Secretary General

The Supreme Allied Commander Europe (SACEUR)

The North Atlantic Council (NAC)

The Supreme Allied Commander Transformation (SACT)

By voting with a simple majority

By consensus among all member countries

By a panel of experts

 By the Secretary General's decision

 North Atlantic Council members

 Civilian and Military command heads

Secretary General and Deputy Secretary General

Supreme Allied Commander Europe (SACEUR) and Supreme Allied Commander Transformation (SACT)

To govern international law and order 

To mediate international sports events

To control global trade

To ensure the freedom and security of its members through political and military means 

Washington, D.C., USA

Paris, France

Brussels, Belgium

London, United Kingdom

1961

1952

 1945

1949

North Atlantic Treaty Organization

North Atlantic Trade Organization

North American Treaty Organization

 Northern Alliance Treaty Organization

Regulate international trade

Provide collective defense

 Foster cultural exchange

Promote economic cooperation

Albania

Croatia

Montenegro

North Macedonia