International Statistical Institute (ISI)

Institut international de statistique (IIS)
Instituto Internacional de Estadistica
Internationales Statistisches Institut
Istituto Internazionale di Statistica
Internationaal Statistisch Instituut
Internationella Statistiska Institutet
Mezdunarodnyj Statisticeskij Institut

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Founded 24 June 1885, Brussels (Belgium), at inaugural conference, to provide an organizational foundation to International Statistical Congress -- Congrès internationaux de statistique which had been held: 1853, Brussels; 1855, Paris (France); 1857, Vienna (Austria); 1860, London (UK); 1863, Berlin (Germany); 1867, Florence (Italy); 1869, The Hague (Netherlands); 1872, St Petersburg (Russia); 1876, Budapest (Hungary). The Institute assumed the character of an international organization seeking international uniformity in statistical procedures and practices; it formulated recommendations to national governments in this connection at biennial sessions. It administered first the International Commission for the Revision of Nomenclature of Causes of Death, 1900-1911, and subsequently, from recommendations 19 Oct 1929, Paris, and subsequent adoption of International Agreement Relating to Statistics of Causes of Death 19 June 1934, London, until the outbreak of World War II, the International Commission for the Decennial Revision of the International Lists of Diseases and Causes of Death. Reconstituted as an international professional society in 1948. Statutes revised Aug 1972, 2003 and 2011. Current Statutes effective 29 Nov 2011. Registered in accordance with Dutch law.


Develop and improve statistical methods and their application throughout the world; encourage international association of statisticians, exchange among them of professional knowledge, and growth among them of a collective interest in advancement of such knowledge; aid in establishment of such relations among statistical societies and other official and unofficial organizations having statistical interests as will further the international integration of statistics; establish and maintain professorships, lecturerships and fellowships for advanced studies in statistics; study statistical theories, appraise statistical methods and practices, encourage statistical research and further the use of statistical methods in diverse subject-matter fields wherever useful; promote the use in all countries of the most appropriate statistical methods; further international comparability of statistical data; foster public appreciation of sound statistical practice and the usefulness of statistical methods.

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Events/meetings; knowledge management/information dissemination.


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Arabic, Chinese, English, French, German, Italian, Russian, Spanish.


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Consultative Status

United Nations Economic and Social Council (ECOSOC) (Special); United Nations Educational, Scientific and Cultural Organization (UNESCO) (Consultative Status); United Nations Industrial Development Organization (UNIDO).

Relations with Inter-Governmental Organizations

Relations with 14 inter-governmental organizations.
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Relations with Non-Governmental Organizations

Relations with 5 non-governmental organizations.
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Members in 135 countries
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Type I Classification

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Type II Classification

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Subjects *

  • Fundamental Sciences
    • Statistics

UN Sustainable Development Goals **



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* Subject classification is derived from the organization names and aims.
** UN SDGs are linked to the subject classification.

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