Organizations that are interested in joining the International Workers' Association should communicate with the Secretariat: secretariado@iwa-ait.org

For more information on the affiliation process, please see the PDF below, the Application Brochure and the IWA Brochure (2022).

Affiliation as a Section or Friend of the IWA takes place at IWA Congresses, every three years. An Extraordinary Congress will be held in October 2027 and applications for affiliation will be considered then.

Regular Congresses of the IWA are scheduled for December 2028, 2031 and 2034.