National book and journal publishers associations can participate in the work of IPA as "Regular Members". International publishers organisations with specialised publishing interests as well as international regional publishers associations may become IPA "Associate Members". Individual publishing houses can only become IPA members under limited circumstances. For more about IPA Membership and the different membership categories, please see below.
Current membership includes 81 publishers' organisations from 69 countries. This includes the international regional publisher associations from Latin America (GIE), the Arab countries (APU), Africa (APNET), and Europe (FEP), as well as specialist publishers associations such as the International Association of Scientific, Technical, and Medical Publishers (STM) and the International Federation of Scholarly Publishers (IFSP).