The International Federation of Audit Bureaux of Circulations (IFABC) is an organisation founded in 1963 in , Sweden.
IFABC is a voluntary cooperative federation of industry-sponsored organizations established in nations throughout the world to verify and report facts about the circulations of publications and related data. (IFABC website)
A General Assembly of members is held every second year since 1963. Assemblies have been held in New York City, Paris, Munich, Copenhagen, London, Chicago, Madrid, Rio de Janeiro, , Tokyo, Toronto, Buenos Aires, Lucerne, New Delhi, Berlin, Washington, D.C., Seville, Sydney, and Kuala Lumpur.
They are four types of members.
Only full members have full voting rights and use of the IFABC logo and slogan.