The Socialist Progressive Party (Parti Progressiste Socialiste, PPS) is a centrist political party in Rildanor. Formed in 3900, the party first registered for the 3906 elections. The PPS combines a welfarist and socialist-oriented economic policy, with a traditionalist stance on most cultural and domestic issues. Hence, the party is on some occasions branded as left-wing, and sometimes as right-wing. The leader of the Socialist Progressive Party since its founding, is François Valls. Currently, the PPS holds 2 seats in Congress.