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
