American Psychological Association - APA

Organization URL(s)

Other Contact Information

750 First Street, NE
Washington, DC 20002-4242
1-800-374-2721 (Voice - Toll-free)
202-336-5500 (Voice)
202-336-6123 (TDD)


The American Psychological Association (APA) is a scientific and professional organization that has more than 154,000 members, APA is the largest association of psychologists worldwide. The mission of the APA is to advance the creation, communication and application of psychological knowledge to benefit society and improve people’s lives. The American Psychological Association aspires to excel as a valuable, effective and influential organization advancing psychology as a science.

Online Resources

Print Resources

Publications may be viewed and downloaded at To order publications, visit

Review Date

Thursday, Dec 15, 2011