UASA is registered at the Department of Labour as a trade union in accordance with the Labour Relations Act 66 of 1995 as amended in 2002. It has a membership of approximately 75,000 and is affiliated with the Federation of Unions of South Africa (FEDUSA) which represents approximately 556,000 members.:490
UASA also plays an important role in the international labour arena, joining hands with various international federations that promote global solidarity among workers of the world in their struggle against the negative effects of globalisation. Through its affiliation with ITF and the International Trade Union Confederation (ITUC), UASA has active representation at various international forums.
^Pretorius, Fransjohan (2014). A History of South Africa: From the Distant Past to the Present Day. Hatsfield, Pretoria: Protea Book House. ISBN978-1-86919-908-1.
^Prof Fransjohan Pretorius, ed. (2012). "25". Geskiedenis van Suid-Afrika (in Afrikaans) (1st ed.). Cape Town: Tafelberg Publishers. p. 492. ISBN9780624054665. The history of trade unionism in South Africa and the development of UASA.
^Prof Luther Backer (2008). Members First (2nd ed.). Pretoria: Mediakor. p. 182. ISBN9780620431354. The history of UASA is about the fight of workers to change their conditions of employment since the turn of the previous [20th] century. This history, as portrayed in this book, also highlights the challenges faced in terms of finding a common culture and values since 1998.