Party of European Socialists

The Party of European Socialists (PES) is a social democratic and progressive European political party.

The PES comprises national-level political parties from all the European economic area states (EEA) plus the United Kingdom. This includes major parties such as the Social Democratic Party of Germany, the French Socialist Party, the British Labour Party, the Italian Democratic Party, the Portuguese Socialist Party, the Romanian Social Democrat Party and the Spanish Socialist Workers' Party. Parties from a number of other European countries and from the Mediterranean region are also admitted to the PES as associate or observer parties. Most member, associate, and observer parties are members of the wider Progressive Alliance or Socialist International.