| Party | Leader | Ideology | Position |
| | Justicialist Party | Cristina Fernández de Kirchner | Peronism | Centre-left to left-wing |
| | Renewal Front | Sergio Massa | Federal Peronism | Centre |
| | Party of Culture, Education and Labour | Hugo Moyano | PeronismLabourism | Centre-left |
| | Kolina | Alicia Kirchner | Kirchnerism | Left-wing |
| | Victory Party | Diana Conti | Social democracyKirchnerism | Centre-left to left-wing |
| | New Encounter | Martín Sabbatella | Progressivism | Centre-left to left-wing |
| | Somos | Victoria Donda | Socialist feminism | Left-wing |
| | Proyecto Sur | Jorge Selser | Progressivism | Centre-left |
| | Broad Front | Adriana Puiggrós | KirchnerismSocial democracyPeronism | Centre-left to left-wing |
| | Solidary Party | Carlos Heller | Co-operatismSocialism | Left-wing |
| | Popular Unity | Víctor De Gennaro [es] | Socialism of the 21st centuryLeft-wing nationalism | Left-wing |
| | National Alfonsinist Movement | Leopoldo Moreau | Social democracyK Radicalism | Centre-left |
| | FORJA | Gustavo Fernando López [es] | Social democracyK Radicalism | Centre-left |
| | Communist Party | Jorge Kreyness | CommunismMarxism–LeninismGuevarism | Far-left |
| | Communist Party (Extraordinary Congress) | Pablo Pereyra | CommunismMarxism–Leninism | Far-left |
| | Revolutionary Communist Party | Juan Carlos Alderete | CommunismMarxism–Leninism–Maoism | Far-left |
| | Piquetero Party | Juan Marino | CommunismTrotskyism | Far-left |
| | Intransigent Party | Enrique Gustavo Cardesa | Democratic socialism | Left-wing |
| | Patria Grande Front | Juan Grabois | Socialism of the 21st centuryFeminismKirchnerism | Left-wing |
| | La Patria de los Comunes | Emilio Pérsico | Kirchnerism | Left-wing |
| | Protector Political Force | José Luis Ramón | Social democracy | Centre-left |
| | Federal Commitment | Alberto Rodríguez Saá | Peronism | Centre |
| | Conservative People's Party | Marco Michelli | Conservatism | Right-wing |