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 16,236 ATS members (as of November 12, 2019) 14,167 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) | 1307 | 1904 | 3211 | 1831 | 775 | 1380 | 42.98% |
| Behavioral Science & Health Services Research (BSHSR) | 282 | 544 | 826 | 676 | 245 | 150 | 18.16% |
| Clinical Problems (CP) | 2334 | 2328 | 4662 | 3066 | 1457 | 1596 | 34.23% |
| Critical Care (CC) | 3475 | 3066 | 6541 | 5286 | 2891 | 1255 | 19.19% |
| Enviromental, Occupational and Population Health (EOPH) | 478 | 741 | 1219 | 833 | 326 | 386 | 31.67% |
| Nursing (NUR) | 114 | 63 | 177 | 156 | 101 | 21 | 11.86% |
| Pediatrics (PEDS) | 1166 | 455 | 1621 | 1222 | 905 | 399 | 24.61% |
| Pulmonary Circulation (PC) | 911 | 1656 | 2567 | 2002 | 695 | 565 | 22.01% |
| Pulmonary Infections and Tuberculosis (PI-TB) | 873 | 1673 | 2546 | 1580 | 481 | 966 | 37.94% |
| Pulmonary Rehabilitation (PR) | 232 | 465 | 697 | 356 | 99 | 341 | 48.92% |
| Respiratory Cell and Molecular Biology (RCMB) | 1076 | 1645 | 2721 | 1812 | 745 | 909 | 33.41% |
| Respiratory Structure and Function (RSF) | 868 | 1800 | 2668 | 1707 | 505 | 961 | 36.02% |
| Sleep and Respiratory Neurobiology (SRN) | 570 | 1065 | 1635 | 1016 | 344 | 619 | 37.86% |
| Thoracic Oncology | 481 | 700 | 1181 | 759 | 328 | 422 | 35.73% |
| Genetics & Genomics (GG): | 1104 members | ||||||
| Medical Education (Med Ed) | 2002 members | ||||||
| Terrorism & Inhalation Disasters (TID) | 447 members | ||||||
| Members with NO Assembly Affiliation | 2069 members | ||||||
Last Reviewed: November 2019
