Congress of the Union

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General Congress of the United Mexican States Congreso General de los Estados Unidos Mexicanos
LXV Legislature
Type
Type	Bicameral
Houses	Senate of the Republic Chamber of Deputies
History
Founded	28 September 1821 (1821-09-28)
Leadership
President of the Senate	Ana Lilia Rivera (MORENA) since 1 September 2023 (2023-09-01)
President of the Chamber of Deputies	Marcela Guerra Castillo (PRI) since 1 September 2023 (2023-09-01)
Structure
Seats	628 (500 Deputies) (128 Senators)
Senate political groups	Government (69)   MORENA (57)   PVEM (7)   PT (5) Opposition (56)   PAN (17)   MC (12)   PRI (14)   PRD (3)   Independent (10)
Chamber of Deputies political groups	Government (276)   MORENA (202)   PVEM (41)   PT (33) Opposition (220)   PAN (110)   PRI (69)   MC (28)   PRD (13)
Authority	Title III, Chapter II of the Political Constitution of the United Mexican States
Salary	$500,000 pesos (Senator)[1][2] $150,139 pesos (Deputy)[3][4]
Elections
Last Senate election	1 July 2018 (2018-07-01)
Last Chamber of Deputies election	6 June 2021 (2021-06-06)
Next Senate election	2 June 2024 (2024-06-02)
Next Chamber of Deputies election	2 June 2024 (2024-06-02)
Motto
La Patria Es Primero (The Fatherland Is First)
Meeting place
Senate Building Mexico City
San Lázaro Building Mexico City
Website
Senate website Chamber of Deputies website
Constitution
Mexican Constitution of 1917
Rules
"Organic Law of the General Congress of the United Mexican States" (Spanish) Rules for the Interior Government of the General Congress of the United Mexican States" (Spanish)

The Congress of the Union (Spanish: Congreso de la Unión, pronounced [koŋˈɡɾeso ðe lawˈnjon]), formally known as the General Congress of the United Mexican States (Congreso General de los Estados Unidos Mexicanos), is the legislature of the federal government of Mexico consisting of two chambers: the Senate of the Republic and the Chamber of Deputies. Its 628 members (128 senators and 500 deputies) meet in Mexico City.