Summary of the North Atlantic Treaty (1949)

There are only 14 articles to the treaty, meaning it is a relatively short treaty. The purpose of the treaty is for collective defence and for the preservation of peace and security. It entered into force on the 24th August 1949.

Website of NATO. The Treaty in full can be found here

  • Article 1 – The parties agree to settle disputes by peaceful means and refrain from the threat or use of force.
  • Article 2 – The parties will contribute to development of peaceful and friendly relations, seek to eliminate conflict in international economic policies, and encourage economic collaboration between them.
  • Article 3 – The parties separately and jointly will maintain and develop their individual and collective capacity to resist armed attack.
  • Article 4 – The parties will consult together whenever any of them have the opinion that the territorial integrity, political independence or security of any party is threatened.
  • Article 5 – The parties agree that an armed attack on any party is an attack on them all. If such armed attack does incur, following Article 51 of the UN Charter (the right to individual or collective self-defence), members will assist the party or parties under attack with action it deems necessary, including the use of armed force. Any such attack and measures taken will be reported to the UN Security Council, and will cease when the UN Security Council restore international peace and security.
  • Article 6 – An armed attack on any party under Article 5 includes an attack on the territory, forces, vessels or aircraft of any party.
  • Article 7 – This treaty does not affect or change any obligations by parties that are members of the United Nations. It also does not affect the primary responsibility of the UN Security Council for maintaining international peace and security.
  • Article 8 – Each party declares that this treaty does not come into conflict with any international engagements currently in force between any of the parties, or to a third state.
  • Article 9 – The parties are to establish a Council whereby they can discuss matters concerning the treaty. The Council can meet at any time and may set up subsidiary bodies. In particular a defence committee is to be set up for recommending measures under article 3 and 5.
  • Article 10 – The parties, with unanimous agreement, may invite any other European state to join the treaty.
  • Article 11 – Ratification of the treaty shall be carried out by the party’s respective constitutional process.
  • Article 12 – After 10 years of the treaty in force, the parties may convene to review the treaty, if any of them so requests.
  • Article 13 – After 20 years of the treaty in force, any party may cease to be a party one year after giving notice of denunciation to the Government of the United States of America, which will then inform all other parties.
  • Article 14 – The English and French versions of the treaty are equally authentic and shall be deposited in the archives of the Government of the United States of America.

As of April 2017, NATO members are:

  • Albania (2009)
  • Belgium (1949)
  • Bulgaria (2004)
  • Canada (1949)
  • Croatia (2009)
  • Czech Republic (1999)
  • Denmark (1949)
  • Estonia (2004)
  • France (1949)
  • Germany (1955)
  • Greece (1952)
  • Hungary (1999)
  • Iceland (1949)
  • Italy (1949)
  • Latvia (2004)
  • Lithuania (2004)
  • Luxembourg (1949)
  • Netherlands (1949)
  • Norway (1949)
  • Poland (1999)
  • Portugal (1949)
  • Romania (2004)
  • Slovakia (2004)
  • Slovenia (2004)
  • Spain (1982)
  • Turkey (1952)
  • The United Kingdom (1949)
  • The United States (1949)