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Assembly Membership

When a person becomes a member of the American Thoracic Society he or she is entitled to become a "primary member" of one Assembly and "secondary member" of two additional Assemblies.  Of the 15,863 ATS members (as of August 8, 2019) 13,820 have declared a primary Assembly.  Please see the list below for the numbers of primary members, secondary, International and primary & secondary members in each Assembly:

Assembly Primary Members Secondary Members Primary & Secondary Members Primary & Secondary
Members
(U.S. only)
Primary Members
(U.S. only)
International Members Percentage of International Members
Allergy, Immunology and Inflammation (AII) 1277 1879 3156 1786 750 1370 43.41%
Behavioral Science & Health Services Research (BSHSR) 276 532 808 659 237 149 18.44%
Clinical Problems (CP) 2305 2311 4616 3019 1424 1597 34.60%
Critical Care (CC) 3377 3010 6387 5133 2790 1254 19.63%
Enviromental, Occupational and Population Health (EOPH) 468 731 1199 820 325 379 31.61%
Nursing (NUR) 112 59 171 151 101 20 11.70%
Pediatrics (PEDS) 1103 446 1549 1156 850 393 25.37%
Pulmonary Circulation (PC) 879 1624 2503 1940 663 563 22.49%
Pulmonary Infections and Tuberculosis (PI-TB) 873 1642 2515 1537 472 978 38.89%
Pulmonary Rehabilitation  (PR) 226 455 681 352 101 329 48.31%
Respiratory Cell and Molecular Biology (RCMB) 1055 1614 2669 1759 729 910 34.10%
Respiratory Structure and Function (RSF) 842 1738 2580 1638 487 942 36.51%
Sleep and Respiratory Neurobiology (SRN) 567 1059 1626 1009 340 617 37.95%
Thoracic Oncology 460 720 1180 747 306 433 36.69%
Genetics & Genomics (GG): 1070 members
Medical Education (Med Ed) 1909 members
Terrorism & Inhalation Disasters (TID) 433 members
Members with NO Assembly Affiliation 2043 members
Last Reviewed: August 2019