Party for Social Democracy (Partia por la
Democracia Social - Compromiso Perú) is a centre-left, social
democratic, Peruvian political party.
It is member of the
, together with the Partido Movimiento Humanista
(PMHP). The alliance was formally announced on 10 December 2005
, two days
after both parties obtained formal recognition by the Jurado
Nacional de Elecciones, the election process authority.