StatisticsFor more than 100 years, the American Psychological Association (APA) has represented psychology in the United States. Based in Washington, D.C., APA has more than 129,000 members, making it the largest association of psychologists worldwide.

Membership Statistics

Overall demographics of APA members and associates.

Previous Convention Statistics

Breakdown of attendance statistics from previous APA conventions.

Exhibit Hall Survey

Summary of findings from a 2014 exhibit hall survey.