Province | Legislature | Level | Seats | Term (years) | Renewal | Electoral system | Constituency |
Buenos Aires | Legislature | Chamber of Deputies | Lower | 92 | 4 | Half every 2 years | Proportional representation | Electoral sections |
Senate | Upper | 46 | 4 | Half every 2 years | Proportional representation | Electoral sections |
Autonomous City of Buenos Aires | Legislature | Unicameral | 60 | 4 | Half every 2 years | Proportional representation | City |
Catamarca | Legislature | Chamber of Deputies | Lower | 41 | 4 | Half every 2 years | Proportional representation | Province |
Senate | Upper | 16 | 4 | Half every 2 years | First-past-the-post voting | Departments |
Chaco | Chamber of Deputies | Unicameral | 32 | 4 | Half every 2 years | Proportional representation | Province |
Chubut | Legislature | Unicameral | 27 | 4 | Complete | | Province |
Córdoba | Legislature | Unicameral | 70 | 4 | Complete | Parallel voting: |
44: Proportional representation | Province |
26: First-past-the-post voting | Departments |
Corrientes | Legislature | Chamber of Deputies | Lower | 30 | 4 | Half every 2 years | Proportional representation | Province |
Senate | Upper | 15 | 6 | Half every 2 years | Proportional representation | Province |
Entre Ríos | Legislature | Chamber of Deputies | Lower | 34 | 4 | Complete | | Province |
Senate | Upper | 17 | 4 | Complete | First-past-the-post voting | Departments |
Formosa | Chamber of Deputies | Unicameral | 30 | 4 | Half every 2 years | Incomplete list. 2/3 of seats for top party, 1/3 of seats for second most voted party | Province |
Jujuy | Legislature | Unicameral | 48 | 4 | Half every 2 years | Proportional representation | Province |
La Pampa | Chamber of Deputies | Unicameral | 30 | 4 | Complete | Proportional representation | Province |
La Rioja | Legislature | Unicameral | 36 | 4 | Half every 2 years | 24: Proportional representation | Departments |
12: First-past-the-post voting | Departments |
Mendoza | Legislature | Chamber of Deputies | Lower | 48 | 4 | Half every 2 years | Proportional representation | Electoral districts |
Senate | Upper | 38 | 4 | Half every 2 years | Proportional representation | Electoral districts |
Misiones | Chamber of Representatives | Unicameral | 40 | 4 | Half every 2 years | Proportional representation | Province |
Neuquén | Legislature | Unicameral | 35 | 4 | Complete | Proportional representation | Province |
Río Negro | Legislature | Unicameral | 46 | 4 | Complete | Parallel voting: |
22: Proportional representation | Province |
24: Proportional representation | Electoral circuits |
Salta | Legislature | Chamber of Deputies | Lower | 60 | 4 | Half every 2 years | 47: Proportional representation | Departments |
13: First-past-the-post voting | Departments |
Senate | Upper | 23 | 4 | Half every 2 years | First-past-the-post voting | Departments |
San Juan | Chamber of Deputies | Unicameral | 36 | 4 | Complete | Parallel voting: |
17: Proportional representation | Province |
19: First-past-the-post voting | Departments |
San Luis | Legislature | Chamber of Deputies | Lower | 43 | 4 | Half every 2 years | Proportional representation | Departments |
Senate | Upper | 9 | 4 | Half every 2 years | First-past-the-post voting | Departments |
Santa Cruz | Chamber of Deputies | Unicameral | 24 | 4 | Complete | Parallel voting: |
10: Proportional representation | Province |
14: First-past-the-post voting | Municipalities |
Santa Fe | Legislature | Chamber of Deputies | Lower | 50 | 4 | Complete | | Province |
Senate | Upper | 19 | 4 | Complete | First-past-the-post voting | Departments |
Santiago del Estero | Chamber of Deputies | Unicameral | 40 | 4 | Complete | Proportional representation | Province |
Tierra del Fuego | Legislature | Unicameral | 15 | 4 | Complete | Proportional representation | Province |
Tucumán | Legislature | Unicameral | 49 | 4 | Complete | Proportional representation | Electoral sections |