Brazilian Democratic Movement Party
Partido do Movimento Democrático Brasileiro
Founded : December 4, 1965
Website : pmdb.org.br

Workers' Party (Brazil)
Partido dos Trabalhadores
Founded : 1980
Website : www.pt.org.br

Brazilian Social Democracy Party
Partido da Social Democracia Brasileira
Founded : June 25, 1988
Website : www.psdb.org.br

Progressive Party (Brazil)
Partido Progressista
Founded : 1995 (as PPB) / April 4, 2003 (as PP)
Website : www.pp.org.br

Democratic Labour Party (Brazil)
Partido Democrático Trabalhista
Founded : June 17, 1979
Website : http://www.pdt.org.br/

Brazilian Labour Party (current)
Partido Trabalhista Brasileiro
Founded : 3 November 1981
Website : http://www.ptb.org.br/

Democrats (Brazil)
Democratas
Founded : January 24, 1985 (PFL) / March 28, 2007 (Democratas)
Website : www.democratas.org

Party of the Republic
Partido da República
Founded : December 21, 2006
Website : www.partidodarepublica.org.br

Brazilian Socialist Party
Partido Socialista Brasileiro
Founded : 6 August 1947
Website : http://www.psbnacional.org.br/

Popular Socialist Party (Brazil)
Partido Popular Socialista
Founded : March 19, 1992
Website : http://portal.pps.org.br/

Social Christian Party (Brazil)
Partido Social Cristão
Founded : 2010
Website : http://www.psc.org.br

Communist Party of Brazil
Partido Comunista do Brasil
Founded : February 18, 1962
Website : www.pcdob.org.br

Brazilian Republican Party
Partido Republicano Brasileiro
Founded : September 25, 2005
Website : http://prb10.org.br/

Green Party (Brazil)
Partido Verde
Founded : January, 1986
Website : http://www.pv.org.br/

Social Democratic Party (Brazil, 2011)
Partido Social Democrático
Founded : March 21, 2011
Website : www.psd.org.br

Progressive Republican Party (Brazil)
Progressive Republican Party
Founded : November 22, 1991
Website : http://www.prp.org.br/

Social Liberal Party (Brazil)
Partido Social Liberal
Founded : 1998
Website : http://www.pslnacional.org.br/

Party of National Mobilization
Partido da Mobilização Nacional
Founded April 21, 1984
Website : http://pmn.org.br/

Humanist Party of Solidarity (Brazil)
Partido Humanista da Solidariedade
Founded : March 20, 1997
Website : http://www.phs.org.br/

Christian Labour Party
Partido Trabalhista Cristão
Founded : 1985 (PJ), 1989 (PRN), 2000 (PTC)
Website : www.ptc36nacional.com.br

Labour Party of Brazil
Partido Trabalhista do Brasil
Founded : 1989
Website : ptdob.org.br

Christian Social Democratic Party
Partido Social Democrata Cristão
Founded : March 30, 1995
Website : www.psdc.org.br

National Labour Party (Brazil)
Partido Trabalhista Nacional, PTN
Founded : 1945
Website : http://www.ptnbrasil.com.br/

Brazilian Labour Renewal Party
Partido Renovador Trabalhista Brasileiro, PRTB
Founded : 1994
Website : None

Socialism and Liberty Party
Partido Socialismo e Liberdade
Founded : June 6, 2004
Website : http://psol50.org.br/

Republican Party of the Social Order
Partido Republicano da Ordem Social, PROS
Founded : January 1, 2010
Website : pros.org.br

National Ecologic Party
Partido Ecológico Nacional
Founded : 2012
Website : http://www.pen51.org.br/

Sustainability Network
REDE Sustentabilidade
Founded : 16 February 2013
Website : https://redesustentabilidade.org.br

Brazilian Communist Party
Partido Comunista Brasileiro
Founded : 1922
Website : http://pcb.org.br/

Workers' Cause Party
Partido da Causa Operária
Founded : 1995
Website : http://www.pco.org.br/

New Party (Brazil)
Partido Novo
Founded : December 3, 2011
Website : novo.org.br

Other parties

Brazilian Woman Party
United Socialist Workers' Party