| Timeline of Polish socialist/social democratic parties after 1986 |
| •Polish Socialist Party (1987–) •Polish Social Democratic Union (1990–1992) •Social Democracy of the Republic of Poland (1990–1999) •Democratic-Social Movement (1991–1992) •Labour Union (1992–) •National Party of Retirees and Pensioners (1994–) •Democratic Left Alliance (1999–2021) •Reason Party (2002–2013) •Social Democracy of Poland (2004–) •Freedom and Equality (2005–) •Polish Left (2008–) •Left Together (2015–) •Spring (2019–2021) •New Left (2021–) |
