Argentina is divided into twenty-three federated states called provinces and one called the autonomous city of Buenos Aires, which is the federal capital of the republic as decided by the Argentine Congress. The provinces and the capital have their own constitutions and exist under a federal system.
At the national level, Argentina elects a head of state and a legislature. The franchise extends to all citizens aged 16 and over, and voting is mandatory for all those who are between 18 and 70 years of age.
The National Congress of Argentina is the legislative branch of the government of Argentina. Its composition is bicameral, constituted by a 72-seat Senate and a 257-seat Chamber of Deputies. The Senate, a third of whose members are elected to six-year renewable terms every two years, consists of three representatives from each province and the federal capital. The Chamber of Deputies, whose members are elected to four-year terms, is apportioned according to population, and renews their members by a half each two years.
Legislative elections were held in Argentina for half the seats in the Chamber of Deputies and a third (24) of the seats in the Senate on 28 June 2009, as well as for the legislature of the City of Buenos Aires and other municipalities.
The Legislature of Buenos Aires Province is the legislature of Buenos Aires, one of the twenty three provinces that make up Argentina. It is a bicameral body, comprising the Chamber of Deputies, and the Senate.
The Legislature of Mendoza is the local legislature of the Argentinian province of Mendoza. It is a bicameral body, comprising the Chamber of Deputies of Mendoza, and the Senate of Mendoza. It is one of eight bicameral legislatures in the country.
The Legislature of Catamarca is the local legislature of the Argentinian province of Catamarca. It is a bicameral body, comprising the Chamber of Deputies of Catamarca, and the Senate of Catamarca. It is one of eight bicameral legislatures in the country.
The Legislature of Entre Ríos is the local legislature of the Argentinian province of Entre Ríos. It is a bicameral body, comprising the Chamber of Deputies of Entre Ríos, and the Senate of Entre Ríos. It is one of eight bicameral legislatures in the country.
The Legislature of Santa Fe Province is the bicameral legislature of the Santa Fe Province, in Argentina. It comprises an upper house, the Senate, and a lower house, the Chamber of Deputies. It is one of eight bicameral legislatures in the country.
The Legislature of San Luis is the local legislature of the Argentinian province of San Luis. It is a bicameral body, comprising the 43 members of the Chamber of Deputies of San Luis, and the Senate of San Luis with 9 members. It is one of eight bicameral legislatures in the country.
The Legislature of Salta Province is the legislature of Salta, one of the twenty three provinces that make up Argentina. It is a bicameral body, comprising the Chamber of Deputies, and the Senate.
María Rosa Martínez is an Argentine trade unionist and politician, currently serving as member of the Buenos Aires Province Senate, elected in 2023. A member of Kolina, she was elected to the Chamber of Deputies in 2019 as part of the Frente de Todos. Martínez previously worked in a number of positions in the Ministry of Social Development during the administration of Alicia Kirchner (2007–2015), and as a city councillor in Almirante Brown. She is also active in the Corriente Federal de Trabajadores (CFT).
Alejandra María Vigo is an Argentine trade unionist and politician, currently serving as a National Senator for Córdoba since 2021. A member of the Justicialist Party, Vigo forms part of the provincial Hacemos por Córdoba (HPC) alliance. She was previously a National Deputy from 2017 to 2021.
The Legislature of Córdoba is the unicameral legislative body of Córdoba Province, in Argentina. It comprises 70 legislators, of which 23 are elected directly in each of the 23 departments of Córdoba, while the remaining 44 are elected in a single province-wide district. All legislators serve four-year terms and are elected concurrently.
The Legislature of La Rioja, also sometimes referred to as the Legislative Function, is the unicameral legislative body of La Rioja Province, in Argentina. It comprises 36 legislators, elected in each of the 18 departments of La Rioja. Half of the legislature is renewed every two years.
The Legislature of Río Negro Province is the unicameral legislative body of Río Negro Province, in Argentina. It convenes in the provincial capital, Viedma.
The Chamber of Deputies of Santiago del Estero Province is the unicameral legislative body of Santiago del Estero Province, in Argentina. It comprises 40 legislators, elected in a single province-wide multi-member district through proportional representation using the D'Hondt system.
The Honourable Legislature of Tucumán Province is the unicameral legislative body of Tucumán Province, in Argentina. It convenes in the provincial capital, San Miguel de Tucumán.
The Chamber of Representatives of Misiones Province is the unicameral legislative body of Misiones Province, in Argentina. It convenes in the provincial capital, Posadas.
