The Guinean Progressive Union (, abbreviated UPG-PRA) was a political party in Guinea. The party was founded in April 1958 through the merger of Socialist Democracy of Guinea (DSG, the Guinean branch of the African Socialist Movement) and the African Bloc of Guinea (BAG).James Samuel Coleman, Carl Gustav Rosberg. Political Parties and National Integration in Tropical Africa. University of California Press, 2023. p. 193 It was the Guinean branch of the African Regroupment Party (PRA).Schmidt, Elizabeth. Cold War and Decolonization in Guinea, 1946-1958. Western African studies. Athens: Ohio University Press, 2007. p. 137

The party was dominated by Western-educated Fulas (; ), such as Barry Diawadou, Barry III and Abdoulaye Diallo.Ansprenger, Franz. Politik im Schwarzen Afrika: Die modernen politischen Bewegungen im Afrika französischer Prägung. VS Verlag für Sozialwissenschaften, 2013. pp. 177, 296, 506 Whilst BAG, one of the founding parties of the UPG-PRA, had represented the more conservative political sector in Guinea, the new UPG-PRA tried to challenge the dominant African Democratic Rally (RDA) from its left. The UPG-PRA congress in Mamou called for a 'No' vote in the 1958 referendum on Guinea joining the French Community.Gonidec, P. F.. Constitutions des états de la Communauté: textes recueillis et présentés. Sirey, 1959. p. 51 After the referendum and the subsequent independence of Guinea, UPG-PRA was merged into the RDA in late 1958.Special Warfare Area Handbook for Guinea. U.S. Government Printing Office, 1961. p. 534

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