Argentine Senate

The Argentine Senate (Spanish: Honorable Senado de la Nación Argentina; lit. "Honourable Senate of the Argentine Nation") is the upper house of the National Congress of Argentina.

Argentine Senate

2017–2019 period
Claudia Ledesma Abdala, Frente de Todos
since 10 December 2019
First Minority Leader
José Mayans, Frente de Todos
since 10 December 2019
Second Minority Leader
Luis Naidenoff, Juntos por el Cambio
since 10 December 2019
Seats72 (List)
Political groups
Government (41)

Opposition (28)

Monoblocks (3)
Limited voting
Last election
27 October 2019
Next election
Meeting place
Chamber of Senators, Congress Palace,
Buenos Aires, Argentina


The National Senate was established by the Argentine Confederation on July 29, 1854, pursuant to Articles 46 to 54 of the 1853 Constitution.[1] There are 72 members: three for each province and three for the Autonomous City of Buenos Aires. The number of senators per province was raised from two to three following the 1994 amendment of the Argentine Constitution, and the change took effect following the May 14, 1995, general elections.

Senators are elected to six-year terms by direct election on a provincial basis, with the party with the most votes being awarded two of the province's senate seats and the second-place party receiving the third seat. Historically, Senators were indirectly elected to nine-year terms by each provincial legislature. These provisions were abrogated by a 1994 constitutional amendment, and direct elections to the Senate took effect in 2001. Currently one-third of the members are elected every two years. One-third of the provinces hold senatorial elections every two years; there are no term limits.

The Vice President of the Republic is ex officio President of the Senate, with a casting vote in the event of a tie. In practice, the Provisional President presides over the chamber most of the time.

The Senate must obtain quorum to deliberate, this being an absolute majority. It has the power to approve bills passed by the Chamber of Deputies, call for joint sessions with the Lower House or special sessions with experts and interested parties, and submit bills for the president's signature; bills introduced in the Senate must, in turn, be approved by the Lower House for their submittal to the president. The Senate must introduce any changes to federal revenue sharing policies, ratify international treaties, approve changes to constitutional or federal criminal laws, as well as confirm or impeach presidential nominees to the cabinet, the judiciary, the armed forces, and the diplomatic corps, among other federal posts.[2]

There are twenty-four standing committees made up of fifteen members each, namely:[2]

  • Agreements (confirmation of federal nominees)
  • Constitutional Affairs
  • Foreign Affairs and Worship
  • Justice and Criminal Affairs
  • General Legislation
  • Budget and Finance
  • Administrative and Municipal Affairs
  • National Defense
  • Domestic Security and Drug Trafficking
  • National Economy and Investment
  • Industry and Trade
  • Regional Economies, Micro, Small and Medium Enterprises
  • Labor and Social Security
  • Agriculture, Cattle Raising and Fishing
  • Education, Culture, Science and Technology
  • Rights and Guarantees
  • Mining, Energy and Fuels
  • Health and Sports
  • Infrastructure, Housing and Transport
  • Systems, Media and Freedom of Speech
  • Environment and Human Development
  • Population and Human Development
  • Federal Revenue Sharing
  • Tourism.


According to Section 55 of the Argentine Constitution, candidates for the Argentine Senate must:

  • be at least 30 years old
  • have been a citizen of Argentina for six years
  • be native to the province of his office, or have been a resident of that province for two years.


See List of current members of the Argentine Senate

All data from official website.[3]

Alliance Party Leader
Cambiemos (25) Unión Cívica Radical (12) Luis Petcoff Naidenoff
Frente PRO (9)
Frente Cívico y Social de Catamarca (1)
Avanzar San Luis (1)
Producción y Trabajo (1)
Movimiento Popular Fueguino (1)
Argentina Federal (24) Justicialista (21) Miguel Ángel Pichetto
Partido Justicialista La Pampa (2)
Justicialista Chubut (1)
Chubut Somos Todos (1)
Frente para la Victoria-PJ (9) Marcelo Fuentes
Parlamentario Federal (5) Movimiento Popular Neuquino (2) Juan Carlos Romero
Justicialista 8 de Octubre (1)
Pares (1)
Santa Fe Federal (1)
Unidad Justicialista (2) Adolfo Rodríguez Saá
Frente Cívico por Santiago (2) Ada Itúrrez de Cappellini
Misiones (2) Magdalena Solari Quintana
One deputy parties (3) Frente Popular (1) Gerardo Antenor Montenegro
Proyecto Sur - UNEN (1) Fernando Ezequiel "Pino" Solanas
Río-Frente Progresista (1) Magdalena Odarda

The current members of the Senate were elected in 2013, 2015 and 2017.

Senate leadership

The titular President of the Senate is the Vice President of Argentina. However, day to day leadership of the Senate is exercised by the Provisional President.

Current leadership positions include:[4]

President of the SenateGabriela MichettiRepublican Proposal Autonomous City of Buenos Aires
Provisional PresidentFederico PinedoRepublican Proposal Autonomous City of Buenos Aires
Vice PresidentGerardo ZamoraCivic Front for Santiago Santiago del Estero
First Vice PresidentJuan Carlos MarinoRadical Civic Union La Pampa
Second Vice PresidentAdolfo Rodríguez SaáFederal Commitment San Luis
Parliamentary SecretaryJuan Pedro Tunessi N/A
Administrative SecretaryHelio Rebot
First Minority LeaderMiguel Ángel PichettoJusticialist Party Río Negro (Argentina)
Second Minority LeaderÁngel RozasRadical Civic Union Chaco

See also


  1. "Sesiónes preparatorias e incorporación y juramento de los senadores electos". Argentine Senate. Archived from the original on 2009-07-18.
  2. "National Senate Regulations" (PDF). Argentine Senate. Archived from the original (PDF) on 2012-05-24.
  3. Bloques Parlamentarios - Honorable Senado de la Nación Argentina
  4. "Autoridades". Honorable Senado de la Nación. Retrieved February 2, 2016.

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