The American Statistical Association is the world’s largest community of statisticians. Since it was founded in Boston in 1839, the ASA has supported excellence in the development, application, and dissemination of statistical science through meetings,  publications,  membership services,  education,  accreditation, and advocacy.

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Institute of Mathematical Statistics. The IMS was founded at a meeting in Ann Arbor Michigan, on September 12, 1935, with the idea that the theory of statistics would be advanced in the United States by the formation of an organization of those persons especially interested in the mathematical aspects of the subject.  Consequently, the aim of the IMS is to foster the development and dissemination of the theory and applications of statistics and probability.

The IMS offers FREE membership to students, with full membership benefits.

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The International Society for Bayesian Analysis (ISBA) was founded in 1992 to promote the development and application of Bayesian analysis.