Name in English
Name in Spanish
Political Leaning
Founded
Description
Institutional Revolutionary Party (PRI)Partido Revolucionario InstitucionalNon-ideological/
Centrist
1946-757382400000Party of the current president, Enrique Peña Nieto. Ruled Mexico uncontested for most of the 20th century.
National Action Party (PAN)Partido de Accion NacionalRight1939-978307200000Defeated the PRI for the presidency in 2000 and 2006. Supports free market economics, business interests and the social doctrine of the Catholic Church.
Revolutionary Democratic Party (PRD)Partido Revolucionario DemocraticoCenter-left1989599616000000Formed by a breakaway left-wing faction of the PRI after the party allegedly rigged Mexico's 1988 general election. President-elect López Obrador ran for president twice as a PRD candidate.
National Regeneration Movement (MORENA)Movimiento Regeneración NacionalLeft20141388534400000López Obrador created MORENA in 2012 after becoming disenchanted with the PRD. Launched officially as a party in 2014. Won victory in 2018 with promises to govern for the poor.
Social Encounter Party (PES)Partido Encuentro SocialFar right20061136073600000Evangelical, anti-gay marriage and anti-abortion. Officially decertified in July 2018 for failing to obtain enough votes but retained legislative seats after allying with MORENA.
Labor Party (PT)Partido de TrabajoresFar left1990631152000000The PT's founders, a collective of Maoist activists, revere the Chinese Communist Party. Allied with MORENA.
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