The official APS membership is 55,368 as of January 2018.
Historical Membership Counts, 1899-2018
Membership Counts by Category
If you have any questions regarding the statistics, please email APS Membership (firstname.lastname@example.org).
Become an APS Member
Submit a Meeting Abstract
Submit a Manuscript
Find a Journal Article
Donate to APS
Join an APS Unit
Get My Member Number
Update Contact Information
The American Physical Society (APS) is a nonprofit membership organization working to advance the knowledge of physics.
Headquarters: 1 Physics Ellipse, College Park, MD 20740-3844 | Phone: 301.209.3200
Editorial Office: 1 Research Road, Ridge, NY 11961-2701 | Phone: 631.591.4000
Washington, D.C. Office: 529 14th St NW, Suite 1050, Washington, D.C. 20045-2001 | Phone: 202.662.8700