Congress of Mexico

Congress of Mexico
Alex Covarrubias · Public domain · source
Name	Congress of Mexico
Native name	Congreso de la Unión
Legislature	LXV Legislature
House type	Bicameral
Established	1824
Leader1 type	President of the Senate
Leader1	Alejandro Armenta Mier
Leader2 type	President of the Chamber of Deputies
Leader2	Santiago Creel Miranda
Members	628 (128 Senate, 500 Chamber of Deputies)
Structure1	Senado de la República
Structure2	Cámara de Diputados
Meeting place	Palacio Legislativo de San Lázaro
Website	Official site

Congress of Mexico The Congress of Mexico is the bicameral federal legislature of Mexico composed of the Senate and the Chamber of Deputies. It convenes in Mexico City at the Palacio Legislativo de San Lázaro and exercises constitutional powers assigned in the 1917 Constitution. The Congress participates in national lawmaking, budget approval, treaty ratification, and oversight of the executive branch, interacting with institutions such as the Federal Electoral Institute, the Supreme Court of Justice, and the Banco de México.

Overview

The legislature consists of the Senate and the Chamber of Deputies, modeled after federal systems including the United States Congress, the Parliament of the United Kingdom, and legislatures of Brazil, Argentina, and Spain. The Senate represents the Mexican states and the Federal District, while the Chamber represents electoral districts across the Mexican Republic. Key legal frameworks include the Political Constitution of the United Mexican States of 1917, the Ley Orgánica del Congreso General, and budgetary rules linking Congress to the Secretariat of Finance and Public Credit and the Banco de México.

History

Legislative institutions trace to the Constitution of Cádiz (1812), the Plan of Iguala, and early congresses of the First Mexican Empire. The 1824 Constitution of Mexico established a federal congress; subsequent transformations occurred under the Centralist Republic of Mexico, the Reform War, and the Second Mexican Empire under Maximilian I of Mexico. The 1857 Constitution and the Mexican Revolution culminated in the 1917 Constitution, influenced by actors such as Venustiano Carranza, Álvaro Obregón, and Plutarco Elías Calles. Twentieth-century developments involved relations with the Institutional Revolutionary Party, the National Action Party, and the Party of the Democratic Revolution, while electoral reforms engaged the Federal Electoral Institute and figures like Luis H. Álvarez and Ciro Murayama.

Structure and Powers

The Senate mirrors systems in the United States Senate and the Senate of France with 128 members, including majority and minority representation by party lists from each state and proportional seats. The Chamber has 500 deputies elected by relative majority and proportional representation, comparable to assemblies in Germany and Italy. Constitutional duties include approving the federal budget, ratifying international treaties such as the North American Free Trade Agreement and its successor United States–Mexico–Canada Agreement, declaring war, supervising the Secretariat of National Defense, and initiating revenue laws. Oversight mechanisms include the power to summon cabinet members from the Secretariat of Foreign Affairs and the Secretariat of the Interior.

Legislative Process

Bills may be introduced by deputies, senators, state legislatures, the President of Mexico, or citizen initiatives as established after reforms associated with actors like Andrés Manuel López Obrador and institutions such as the National Electoral Institute. The process follows committee review, floor debate, amendments, and voting in both houses, with conference mechanisms to reconcile differences similar to procedures in the Canadian Parliament and the Australian Parliament. Upon passage, laws are promulgated by the President and published in the Diario Oficial de la Federación. Special procedures cover impeachment trials involving the Supreme Court of Justice of the Nation and appointment confirmations for officials including members of the Supreme Court and the Attorney General of Mexico.

Membership and Elections

Senators serve six-year terms concurrent with presidential terms, while deputies serve three-year terms; recent reforms allow limited reelection, shifting practices previously dominated by single-term mandates under parties such as the Institutional Revolutionary Party and the National Action Party. The electoral system mixes plurality districts and proportional representation via party lists across five multi-state constituencies, administered by the National Electoral Institute and subject to judicial review by the Electoral Tribunal of the Judicial Branch of the Federation. Prominent electoral events include midterm legislative elections, presidential election cycles featuring candidates like Vicente Fox, Felipe Calderón, and Enrique Peña Nieto, and reforms prompted by outcomes in states such as Chiapas, Jalisco, and Mexico City.

Leadership and Committees

Each chamber elects presiding boards: the Board of Directors in the Chamber of Deputies and the Board of the Senate, with leadership roles comparable to the Speaker of the House of Commons and the President of the Senate (France). Party coordination is organized through parliamentary groups led by coordinators from parties including the MORENA coalition, the Institutional Revolutionary Party, the National Action Party, and the Party of the Democratic Revolution. Standing committees cover areas like finance, public security, foreign affairs, and constitutional matters, paralleling committees in legislatures such as the U.S. House Committee on Appropriations and the UK Select Committees. Investigative commissions have addressed scandals involving figures like Carlos Salinas de Gortari and events such as the Colosio assassination.

Interactions with Other Branches and States

Congress engages the Executive branch of Mexico through budget approval, oversight hearings, and confirmations of cabinet nominees, interacting with presidents from Porfirio Díaz to Lázaro Cárdenas to contemporary administrations. Judicial interactions involve the Supreme Court of Justice of the Nation and constitutional review processes, while fiscal federalism links Congress to state legislatures in entities such as Nuevo León, Oaxaca, and Veracruz for revenue sharing and transfers. Internationally, Congress ratifies treaties with actors including the United States, Canada, and multilateral bodies like the United Nations and the Inter-American Court of Human Rights.

Category:Politics of Mexico Category:Legislatures by country