The People's Democratic Union is a marxist

Marxism

Marxism is an economic and sociopolitical worldview and method of socioeconomic inquiry that centers upon a materialist interpretation of history, a dialectical view of social change, and an analysis and critique of the development of capitalism. Marxism was pioneered in the early to mid 19th...

 political movement in Portugal

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

. The UDP transformed itself into a political association at its 15th congress due to its merger with other left-wing parties in the Left Bloc.

The party was founded in December 1974 as a common mass front of the Committee for Support to the Reconstruction of the Party (Marxist-Leninist)

Committee for Support to the Reconstruction of the Party (Marxist-Leninist)

Committee for Support to the Reconstruction of the Party was a communist group in Portugal, founded in 1974, before the Carnation Revolution...

 (CARP(ML)), Revolutionary Marxist-Leninist Unity (URML) and Revolutionary Communist Committees (Marxist-Leninist). UDP ran lists in the first free election in Portugal in 1975, and elected one MP in that election. UDP also ran in the subsequent elections until 1983. After that it ran integrated in the electoral lists of the Portuguese Communist Party

Portuguese Communist Party

The Portuguese Communist Party is a major left-wing political party in Portugal. It is a Marxist-Leninist party, and its organization is based upon democratic centralism. The party also considers itself to be patriotic and internationalist....

 until 1991.

In 1998 it became part of the Left Bloc after a merger with other small left-wing parties, the Revolutionary Socialist Party

Revolutionary Socialist Party (Portugal)

The Revolutionary Socialist Party was a small far-left Party in Portugal, founded in 1978 after the merger of two Trotskyist parties - the Internationalist Communist League and the Workers Revolutionary Party...

, Politics 21 and the Front of the Revolutionary Left.

The current president of People's Democratic Union is Joana Mortágua (2010), 25 years old. Joana Mortágua was Left Bloc candidate in the national legislative elections of 2009, electoral district of Évora

Évora

Évora is a municipality in Portugal. It has total area of with a population of 55,619 inhabitants. It is the seat of the Évora District and capital of the Alentejo region. The municipality is composed of 19 civil parishes, and is located in Évora District....

and is member of the current Political Comission of Left Bloc.