117,371
The number of APA members as of January 2017. This includes 32,527 student affiliates, 20,202 life status members, 3,987 international associates, and 3,978 community college and high school teacher associates. The association began with 31 members in 1892.
539
The number of employees in APA's Central Office.
93
The number of titles published by APA Journals. That includes 90 journals, one book and film review database, and two Clinician's Research Digests. The oldest journal, Psychological Review, began publishing in 1894. The journal with the highest impact factor is Psychological Bulletin, at 14.839 in 2015. American Psychologist is the most widely circulated journal, going to 76,832 individuals and 289 institutions.
91
The number of books and videos published by APA Books in 2016. That includes 52 scholarly books, two self-help books for general readers, 17 titles for children and teens, two multi-volume reference works and 18 videos for clinicians.
487,172
The number of people who "like" the APA Facebook page, as of March 2017. APA also has nearly 75,000 followers on Twitter (@APA).
54
The number of divisions, from Division 1 (The Society for General Psychology and Interdisciplinary Inquiry) to Division 56 (Trauma Psychology). There is no Division 4 or Division 11. Division 4, the Psychometric Society, decided not to formally join the association in 1948. Division 11, originally Abnormal Psychology and Psychotherapy, merged with Division 12, now the Society of Clinical Psychology, in 1946.