Chilean Congress

Chilean Congress. The legislative branch of the Republic of Chile, it is a bicameral body composed of the Senate and the Chamber of Deputies. Its primary seat is the National Congress Building located in the port city of Valparaíso, having relocated from the capital, Santiago, in 1990. The institution traces its origins to the first national assemblies established after the Chilean War of Independence, playing a central role in the nation's political development through periods of democracy and authoritarian rule.

History

The first legislative body was convened on July 4, 1811, following the establishment of the First Government Junta in 1810 during the Chilean War of Independence. Early congresses, such as the Congress of 1811, were instrumental in drafting foundational acts like the Provisional Constitutional Regulation of 1812. Throughout the 19th century, it was a key arena for conflicts between Conservative and Liberal factions, overseeing the passage of the Constitution of 1833. The body was dissolved following the 1973 Chilean coup d'état and the Congress was shut down by the military junta led by Augusto Pinochet. Democratic restoration occurred in March 1990 after the 1988 plebiscite and the subsequent election of Patricio Aylwin.

Structure and composition

It operates as a bicameral legislature. The upper house is the Senate, comprising 50 members elected from regional constituencies for eight-year terms, with half renewed every four years. The lower house is the Chamber of Deputies, consisting of 155 members elected from 28 multi-member districts for four-year terms. Leadership includes the President of the Senate, who also serves as the successor to the President of Chile under the constitution, and the President of the Chamber of Deputies. The administration is supported by a Secretariat headed by the Secretary-General of the Senate and the Secretary-General of the Chamber of Deputies.

Functions and powers

Its constitutional duties include the exclusive power to pass federal laws, approve or reject international treaties signed by the President of Chile, and oversee the national budget. The Senate holds special authorities, such as confirming presidential appointments to the Supreme Court, the Comptroller General, and high-ranking military officials. Both chambers can establish investigative commissions, interpellate ministers, and in joint session, exercise the power to accuse the President or judges before the Constitutional Court. It also plays a role in states of exception, like a state of siege, which require legislative approval.

Legislative process

The process for creating laws typically begins with a presidential message or a motion from members of either the Senate or the Chamber of Deputies. A bill must be approved in three legislative stages—committee review, general discussion, and detailed article-by-article voting—in both chambers. Disagreements between the houses are resolved by a Mixed Committee of deputies and senators. Once passed, the bill is sent to the President of Chile for promulgation or veto; a presidential veto can be overridden by a two-thirds majority in each chamber. Certain matters, like constitutional reforms, treaties affecting constitutional powers, or laws related to the Armed Forces, follow specific procedures outlined in the Constitution of Chile.

Current membership and elections

Members are elected under a proportional representation system within the 28 districts for deputies and the 16 senatorial constituencies. The most recent general elections were held in November 2021, concurrently with the presidential election. Major political forces represented include the coalition Chile Vamos, the left-wing Apruebo Dignidad, and the centrist Democratic Socialism pact. Notable current members include senators like Isabel Allende Bussi of the Socialist Party and Manuel José Ossandón of the National Renewal, and deputies such as Giorgio Jackson of Democratic Revolution and Pamela Jiles of the Humanist Party.

Building and location

Since the return to democracy, its official seat has been the National Congress Building in the coastal city of Valparaíso, designed by the architects Juan Cárdenas, José Covacevic, and Orlando Ramírez. The complex was inaugurated in 1990 and houses the separate chambers, libraries, and administrative offices. Prior to the Pinochet regime, it was located in downtown Santiago in the now-named Ex-Congreso Nacional building on Calle Compañía, which today hosts the Ministry of Foreign Affairs. The move to Valparaíso was mandated by the 1980 Constitution as part of a decentralization effort.