International Organization for Standardization

The International Organization for Standardization (ISO; /ˈs/[3]) is an international standard development organization composed of representatives from the national standards organizations of member countries.[4] Membership requirements are given in Article 3 of the ISO Statutes.[5]

International Organization for Standardization
Organisation internationale de normalisation
Formation23 February 1947 (23 February 1947)
TypeNon-governmental organization
PurposeInternational standards development
HeadquartersGeneva, Switzerland
167 members
(39 correspondents and
4 subscribers)[1]
Official languages
  • English
  • French
  • Russian[2]
Ulrika Francke

Founded on 23 February 1947, the organization develops and publishes standardization in all technical and nontechnical fields other than electrical and electronic engineering.[6] It is headquartered in Geneva, Switzerland,[7] and works in 167 countries as of 2022. The three official languages of the ISO are English, French, and Russian.[2]

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