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Argentine Senate

Upper house of the Argentine National Congress


Upper house of the Argentine National Congress

FieldValue
background_color#75AADB
nameHonorable Chamber of Senators of the Argentine Nation
native_nameHonorable Cámara de Senadores de la Nación Argentina
coa_picLogo_Senado_Argentina.png
coa_res150
legislature2025–2027 period
house_typeUpper house
bodyNational Congress of Argentina
term_limitsNone
leader1_typePresident of the Senate
leader1Victoria Villarruel
party1LLA
election110 December 2023
leader2_typeProvisional President
leader2Bartolomé Abdala
party2LLA
election213 December 2023
leader3_typeFirst Minority Leader
leader3José Mayans
party3UP
election310 December 2019
leader4_typeSecond Minority Leader
leader4Eduardo Vischi
party4UCR
election410 December 2023
members72 (List)
structure1File:Senado de la Nación Argentina (2025-2027).svg
structure1_res250px
*{{color box#6C4C99bordersilver}} LLA (21)
*{{color box#FFD700bordersilver}} PRO (4)
*{{color box#255fcfbordersilver}} Independencia (1)
*{{color box#E10019bordersilver}} UCR (10)
*{{color box#19BC9Dbordersilver}} United Provinces (3)
*{{color box#0A1172bordersilver}} Federal Innovation (4)
*{{color box#0D69B4bordersilver}} For Santa Cruz (2)
*{{color box#00BEFFbordersilver}} UP (28)
term_length6 years
voting_system1Limited voting
Party-list proportional representation
last_election126 October 2025
(24 seats)
next_election124 October 2027
(24 seats)
session_roomMichelle Bachelet at the Argentine Senate.jpg
meeting_placeChamber of Senators, Congress Palace,
Buenos Aires, Argentina
website

Government (21)

  • LLA (21) Allies (5)
  • PRO (4)
  • Independencia (1) Independents (19)
  • UCR (10)
  • United Provinces (3)
  • Federal Innovation (4)
  • For Santa Cruz (2) Opposition (28)
  • UP (28) Party-list proportional representation (24 seats) (24 seats) Buenos Aires, Argentina

The Chamber of Senators of the Argentine Nation () or Senate, officially the Honorable Chamber of Senators of the Argentine Nation () is the upper house of the National Congress of Argentina.

Overview

The National Senate was established by the Argentine Confederation on July 29, 1854, pursuant to Articles 46 to 54 of the 1853 Constitution. 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 as well as the addition of the Autonomous City of Buenos Aires' senators. Those changes 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 abolished in the 1994 constitutional amendment, and the first direct elections to the Senate took effect in 2001. Currently one-third of the members are elected 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 Chamber of Deputies for their submission 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.

Committees

there were 24 standing committees made up of 15 members each, namely:

  • 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.

Requirements

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 her or his office, or have been a resident of that province for two years.

Composition

Main article: List of current Argentine senators

Inter-blocBlocPresident
Union for the Homeland}}"Union for the Homeland (34)National People's Front (15)
Citizen Unity (15)Juliana Di Tullio
Federal Conviction (4)
Radical Civic Union}}"Radical Civic Union (13)Eduardo Vischi
Republican Proposal}}"PRO Front (7)Alfredo Luis De Angeli
La Libertad Avanza}}"La Libertad Avanza (6)Ezequiel Atauche
We Do Federal Coalition (3)Federal Unity (2)
Federal Change (1)Juan Carlos Romero
Federal Innovation (3)Front for the Renewal of Concord (2)
Together We Are Río Negro (1)Mónica Esther Silva
For Santa Cruz (2)
For Social Justice (1)Beatriz Ávila
Freedom, Work and Progress (1)
Wake up Chubut (1)
Neuquén Movement (1)Carmen Lucila Crexell
Source: senado.gob.ar (last update: 4 April 2025)

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:

TitleOfficeholderCaucusProvince
President of the SenateVictoria VillarruelLa Libertad AvanzaBuenos Aires
Provisional PresidentBartolomé AbdalaLa Libertad AvanzaSan Luis
Vice PresidentSilvia SapagUnion for the HomelandNeuquén
First Vice PresidentCarolina LosadaRadical Civic UnionSanta Fe
Second Vice PresidentAlejandra VigoFederal UnityCórdoba
Parliamentary SecretaryAgustín Giustiniancolspan="2" rowspan="2"
Administrative SecretaryMaría Laura Izzo
First Minority LeaderJosé MayansUnion for the HomelandFormosa
Second Minority LeaderAlfredo CornejoRadical Civic UnionMendoza

Notes

References

References

  1. "Sesiónes preparatorias e incorporación y juramento de los senadores electos". Argentine Senate.
  2. "National Senate Regulations". Argentine Senate.
  3. "Autoridades". Honorable Senado de la Nación.
Info: Wikipedia Source

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