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
|
A third 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
|