The Progressive Union Federation () is an electoral and parliamentary group formed by Brazil Union and Progressistas. A registration request is pending at the Superior Electoral Court. In March 2025, summed both parties, the federation had 2,410,352 registered members. History. In March 2025, political parties Brazil Union and Progressistas, presided by Antônio Rueda and Ciro Nogueira, respectively, began negotiations to form a federation. On 18 March, a deliberation by both parties approved further negotiations. On 28 April, Brazil Union and Progressistas announced the founding of Progressive Union in a ceremony held at the Noble Hall of the Chamber of Deputies, which would be held on 29 April. Both parties agreed that the presidency should be shared between Rueda and Nogueira until December 2025, when a sole leader will be elected. Composition. The federation consists of two political parties: