Generated by GPT-5-mini| National Congress of Brazil | |
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| Name | National Congress of Brazil |
| Native name | Congresso Nacional do Brasil |
| House type | Bicameral |
| Established | 1824 |
| Leader1 type | President of the Senate |
| Leader2 type | President of the Chamber of Deputies |
| Seats | 594 |
| Voting system | Proportional representation; plurality voting |
| Last election | 2018; 2022 |
| Meeting place | Brasília |
National Congress of Brazil is the bicameral legislature of the Federative Republic of Brazil, composed of the Federal Senate (Brazil) and the Chamber of Deputies (Brazil). Located in Brasília, it functions as the primary national forum for lawmaking, oversight, and representation, interacting with the Presidency of Brazil, the Supreme Federal Court, and state assemblies such as the Legislative Assembly of São Paulo. The institution evolved through constitutional moments including the Constitution of 1824, Constitution of 1891, Constitution of 1934, Constitution of 1946, Constitution of 1967, and the Constitution of 1988.
The legislature traces origins to the Cortes Gerais and imperial Imperial Senate of Brazil under the Empire of Brazil, shifting after the Proclamation of the Republic to the National Congress of the United States of Brazil established by the Constitution of 1891. The Vargas era, marked by the Estado Novo, suppressed parliamentary powers before re-democratization restored the Congress of the Republic in 1946. During the Brazilian military government (1964–1985) legislative autonomy was curtailed through instruments like the Institutional Act Number Five and subsequent constitutional revisions; the 1988 constitution reconstituted the modern bicameral body and expanded rights influenced by figures such as Ulysses Guimarães, Tancredo Neves, and movements like the Diretas Já campaign.
The upper chamber, the Federal Senate (Brazil), comprises three senators per state and the Federal District (Brazil), serving eight-year terms with staggered renewal; senators have roles in impeachment trials alongside the Supreme Federal Court. The lower chamber, the Chamber of Deputies (Brazil), uses proportional representation with multi-member districts based on states such as Rio de Janeiro (state), Minas Gerais, and São Paulo (state), electing deputies for four-year terms. Party organizations include national federations like the Workers' Party (Brazil), Brazilian Social Democracy Party, Progressives (Brazil), Democrats (Brazil), and emergent formations such as Liberal Party (Brazil), Socialism and Liberty Party, and coalitions formed around leaders like Luiz Inácio Lula da Silva and Jair Bolsonaro. Internal bodies mirror parliamentary practice: the Mesa Diretora presides, while committees like the Constitution and Justice Commission (Brazil) and the Finance and Taxation Commission oversee specialized scrutiny.
Constitutional powers derive from the Constitution of 1988 granting lawmaking authority, budgetary approval, oversight, and ratification functions such as approving international treaties like the Mercosur agreements and declaring states of defense or siege. The Senate holds unique competences to judge presidential impeachment processes exemplified by the 1992 removal of Fernando Collor de Mello and to confirm high judicial nominations to the Supreme Federal Court and heads of administrative agencies like the Central Bank of Brazil. The Chamber of Deputies initiates revenue and budget bills and can authorize investigations via Parliamentary Commissions of Inquiry modeled after procedures in other federations, often engaging with institutions such as the Federal Police (Brazil) and the Public Prosecutor's Office (Brazil).
Legislation can originate from the Presidency, senators, deputies, state legislatures, or popular initiative under rules established in the Constitution of 1988. Bills follow committee review in bodies like the Special Committee and then plenary votes; budgetary matters pass through the Budgetary and Financial Oversight channels. The bicameral interaction includes mechanisms for reconciliation when the Senate amends Chamber-approved text, with outcomes sometimes resolved by joint sessions or override procedures akin to practices in the United States Congress and the Parliament of the United Kingdom. Emergency legislative measures such as provisional measures (medidas provisórias) issued by the President require expedited consideration, and parliamentary practices reflect precedents set during episodes like the 2016 impeachment of Dilma Rousseff.
The seat designed by architect Oscar Niemeyer and urbanist Lúcio Costa anchors the Plaza of the Three Powers in Brasília, featuring the twin domes and towers housing the Chamber and Senate; the complex includes the National Congress Palace, the Monument to the Bandeiras nearby, and ancillary buildings such as the Ala Norte and Ala Sul. Security and logistics coordinate with agencies like the Federal Police (Brazil) and Brasília Military Command, while archives, libraries, and the Federal Senate Library preserve legislative records, transcripts of sessions, and collections related to figures such as Getúlio Vargas and Juscelino Kubitschek.
Party dynamics reflect fragmentation and coalition governance, with major blocs often forming pro-government or opposition fronts around presidents from parties like the Workers' Party (Brazil), the Brazilian Social Democracy Party, and the Progressistas. Congressional caucuses (bancadas) include interest-based groups such as the Agricultural Caucus (Brazil), the Evangelical Caucus (Brazil), and regional delegations from states like Pará and Rio Grande do Sul. Inflation, fiscal adjustments, and social policy debates intersect with legislative strategy, involving actors such as finance ministers like Paulo Guedes and central figures including former presidents Fernando Henrique Cardoso and Michel Temer.
Transparency instruments are grounded in the Access to Information Law (Brazil) and institutional portals providing voting records, attendance, and expense data; oversight is exercised by bodies such as the Federal Court of Accounts (Brazil). Public engagement occurs through televised plenary coverage, social media channels, and public hearings open to civil society organizations including Central Única dos Trabalhadores and Confederação Nacional da Indústria. Whistleblower protections, ethics commissions, and anti-corruption mechanisms intersect with investigations by the Operation Car Wash (Operação Lava Jato) inquiries and judicial proceedings in the Supreme Federal Court.