List of political parties in Chile

Active

As of March 2018 there are 28 legally constituted political parties in Chile.^[1]

Parties in green, as of March 2018, support the administration of President Sebastián Piñera.

Party name in Spanish	Founded	International affiliation	Area of operation	Senators (2018-2022)[2]	Deputies (2018-2022)[3]	Regional advisors (2018-2022)[4]	Mayors (2012-2016)	Councilmen (2012-2016)	Weighted representationb
Independent Democratic Uniond Unión Demócrata Independiente	1983	International Democrat Union[5]	Nationwide.	9	30	52	43	351	19.47%
National Renewalc Renovación Nacional	1987	International Democrat Union,[5] Centrist Democrat International[6]	Nationwide.	7	34	72	39	318	17.69%
Socialist Partyi Partido Socialista de Chile	1933	Progressive Alliance, Socialist International, São Paulo Forum, COPPPAL	Nationwide.	7	19	26	27	218	14.14%
Christian Democratic Partyj Partido Demócrata Cristiano	1957	Centrist Democrat International[6]	Nationwide.	5	14	44	56	322	11.98%
Party for Democracyf Partido por la Democracia	1987	Progressive Alliance, Socialist International, COPPPAL	Nationwide.	6	7	26	37	199	11.52%
Political Evolution Partido Evolución Política	2012	None	Nationwide.	2	6	5	2	0	3.63%
Democratic Revolution Revolución Democrática	2012	São Paulo Forum	Regions II, III, IV, V, RM, VI, VII, XIV, and XI.	1	10	10	0	0	2.96%
País País	2017	None.	Regions I, II, VII, VIII, and IX.	1	0	0	0	0	1.48%
Communist Party Partido Comunista de Chile	1922	São Paulo Forum, Bolivarian Congress of the People, International Meeting of Communist and Workers' Parties	Nationwide.	0	8	11	4	92	1.44%
Social Democrat Radical Party Partido Radical Socialdemócrata	1994a	Progressive Alliance, Socialist International, COPPPAL	Nationwide.	0	6	8	13	90	1.31%
Humanist Partyd Partido Humanista	1984	Humanist International, São Paulo Forum	All regions, except X and XI.	0	4	6	0	14	0.67%
Social Green Regionalist Federationm Federación Regionalista Verde Social	2017	None.	Regions II, III, IV, VI, and XI.	0	4	2	0	3	0.53%
Progressive Party Partido Progresista	2010	None.	Nationwide.	0	1	2	3	25	0.27%
Liberal Party Partido Liberal de Chile	2013h	Liberal International	Regions XV, I, II, and X.	0	2	0	0	0	0.23%
Independent Regionalist Party Partido Regionalista Independiente	2006	None.	Nationwide.	0	0	4	2	95	0.239%
Power Poder	2015	None.	Regions XV, I, II, III, V, RM, and X.	0	1	2	0	0	0.18%
Green Ecologist Party Partido Ecologista Verde	2008	Global Greens	Regions I, II, III, IV, RM, VIII, XIV, and X.	0	1	0	0	0	0.11%
Amplitude Amplitud	2014	None.	Regions I, II, III, IV, V, VIII, IX, and X.	0	0	2	1	21	0.11%
Patagonian Regional Democracy Democracia Regional Patagónica	2013	None.	Regions II, X, XI, and XII.	0	0	0	4	9	0.097%
Equality Party Partido Igualdad	2009	None.	Regions XV, I, II, IV, V, RM, and VIII.	0	0	2	0	1	0.0712%
Citizen Left Partido Izquierda Ciudadana de Chile	2012g	São Paulo Forum	Regions XV, I, II, III, VI, VII, and IX.	0	0	1	1	3	0.06%
MAS Regione MAS Región	2008	São Paulo Forum	Regions I, II, III, and VIII.	0	0	1	1	7	0.06%
For Regional Integration Por la Integración Regional	2016	None.	Regions XV, I, and II.	0	0	1	0	0	0.04%
Andha Chile Andha Chile	2015	None.	Regions IV, X, XI, and XII.	0	0	0	0	0	0%
Citizens Ciudadanos	2013k	None.	Regions XV, I, II, V, VII, XIV, X, and XI.	0	0	0	0	0	0%
Revolutionary Workers' Party Partido de Trabajadores Revolucionarios	2017	Trotskyist Fraction – Fourth International	Regions XV, I, and II.	0	0	0	0	0	0%
Everybody Todos	2015	None.	Regions I, XIV, X, and XI.	0	0	0	0	0	0%
Patriotic Union Unión Patriótica	2015	None.	Regions V, RM, and VI.	0	0	0	0	0	0%

^a A fusion of the Chilean Social Democracy Party (Partido Socialdemocracia Chilena, founded 1971) and the Radical Party of Chile (Partido Radical de Chile, founded 1863).
^b The percentage of seats held by a party in each elected body is multiplied by a weighting factor, which is equal to the inverse value of that body's total seats divided by the summation of the inverse values of all bodies' total seats. The resulting weighted percentages are then summed together to obtain a party's "weighted representation" value. (Formula: [S/43^2+D/155^2+R/278^2+M/345^2+C/2224^2]/T, with T=1/43+1/155+1/278+1/345+1/2224, S=party senators, D=party deputies, R=party regional advisors, M=party mayors, C=party councilmen.)
^c Figures updated with the October 2015 party resignations of RN mayors of Ñuñoa and Traiguén, Andrés Zarhi and Luis Álvarez, respectively, and RN councilmen of Las Condes, Limache and La Unión, Tomás Fuentes, Cynthia Marín and María Eugenia Márquez, respectively; and the July 2016 party resignation of RN senator Manuel José Ossandón.
^d Figures updated with, the July 2013 party resignation of UDI mayor of Santo Domingo Fernando Rodríguez Larraín; the January 2014 death of Yumbel mayor Camilo Cabezas (PH) and its subsequent replacement with independent councilman Jaime Gacitúa, who in turn was replaced with Fredy Winter from the UDI; the June 2015 party resignation of UDI councilman Francisco Vera; the October 2015 party resignation of UDI mayor of Rancagua Eduardo Soto; the November 2015 party resignations of UDI mayor of La Florida Rodolfo Carter and UDI councilman of Lo Barnechea Carlos Ward; and the May 2016 death of UDI mayor of Pinto Fernando Chávez.
^e A fusion of the Broad Social Movement (Movimiento Amplio Social) and the Northern Force Party (Partido Fuerza del Norte). Figures updated with the September 2016 party resignation of MAS senator Alejandro Navarro.
^f Figures updated with the September 2014 expulsion of Providencia councilman Rodrigo García Márquez from his party (PPD); the October 2015 party resignation of PPD councilman of Los Andes Julio Lobos; and the August 2016 party resignation of PPD regional advisor Teodoro Aguirre.
^g Formerly known as Christian Left (Izquierda Cristiana).
^h Formerly known as ChileFirst (ChilePrimero).
ⁱ Figures updated with the October 2015 party resignations of PS mayors of San Vicente de Tagua Tagua, Los Lagos and Coltauco, Jaime González, Simón Mansilla and Rubén Jorquera, respectively; and the October 2016 party resignation of PS councilwoman for Valparaíso Paula Quintana.
^j Figures updated with the October 2015 party resignation of DC councilwoman of Concepción Alejandra Smith.
^k Before October 2015, known as Fuerza Pública ("Public Force").
^l Considers itself to be the continuation of the same-named party founded in 1932.
^m A fusion of Regional and Popular Front, Green North Regional Force, Social Agrarian Regionalist Independent Movement and We Are Aysén parties.

Historical

• Liberal Party (Partido Liberal) (existed 1849–1966)
• Conservative Party (Partido Conservador) (existed 1851–1949, 1953–1966)
• National Party (Partido Nacional) (existed 1857–1933)
• Radical Party (Partido Radical) (existed 1863–1973, 1987–1994)
• Democrat Party (Partido Demócrata) (existed 1887–1941)
• Democratic Party (Partido Democrático) (existed 1932–1960)
• National Socialist Movement of Chile (Movimiento Nacional Socialista de Chile) (existed 1932–1941)
• Socialist Democratic Party (Partido Democrático Socialista) (existed 1964–1965)
• Revolutionary Left Movement (Movimiento de Izquierda Revolucionaria or MIR) (existed legally 1965–1973, illegally or not legally constituted 1973-2008)
• National Party (Partido Nacional) (existed 1966–1973, 1983–1994)
• Popular Unitary Action Movement (Movimiento de Acción Popular Unitario or MAPU) (existed legally 1969–)
• Union of the Centrist Center (Unión de Centro Centro) (existed 1990–2002)
• National Alliance of Independents (Alianza Nacional de los Independientes)
• Regionalist Action Party of Chile (Partido de Acción Regionalista de Chile)

Active

• Broad Front (Frente Amplio), composed of:
  • Democratic Revolution (Revolución Democrática)
  • Liberal Party (Partido Liberal de Chile)
  • Equality Party (Partido Igualdad)
  • Humanist Party (Partido Humanista)
  • Green Ecologist Party (Partido Ecologista Verde)
  • Power (Poder)
• Chile Vamos, composed of:
  • Independent Democratic Union (Unión Demócrata Independiente)
  • National Renewal (Renovación Nacional)
  • Political Evolution (Evolución Política)
  • Independent Regionalist Party (Partido Regionalista Independiente)
• New Majority (Nueva Mayoría), composed of:
  • Communist Party (Partido Comunista de Chile)
  • Christian Democratic Party (Partido Demócrata Cristiano)
  • Party for Democracy (Partido por la Democracia)
  • Citizen Left (Izquierda Ciudadana)
  • MAS-Region (MAS-Región)
  • Social Democrat Radical Party (Partido Radical Socialdemócrata)
  • Socialist Party (Partido Socialista de Chile)
• Sumemos, composed of:
  • Amplitude (Amplitud)
  • Citizens (Ciudadanos)
  • Everybody (Todos)

Historical

• Popular Front
• Democratic Alliance
• Unidad Popular
• Confederation of Democracy
• Concertación