The American Psychological Association is the leading scientific and professional organization representing psychology in the United States. With more than 121,000 members, APA advances psychological science to promote health, education and human welfare. With more than 115,700 members, the American Psychological Association advances psychological science to promote health, education and human welfare.
The British Psychological Society is the representative body for psychology and psychologists in the UK. The Society was formed in 1901 and has more than 45,000 members. Through its Royal Charter, the Society is charged with overseeing psychology and psychologists. It has responsibility for the development, promotion and application of pure and applied psychology for the public good.