Congress of the Union

General Congress of the
United Mexican States

Congreso General de los
Estados Unidos Mexicanos
LXVI Legislature
Seal of the Congress
Type
Type
HousesSenate of the Republic
Chamber of Deputies
History
Founded28 September 1821 (1821-09-28)
Leadership
Gerardo Fernández Noroña (MORENA)
since 1 September 2024 (2024-09-01)
Sergio Gutiérrez Luna (MORENA)
since 8 October 2024 (2024-10-08)
Structure
Seats628
(500 Deputies)
(128 Senators)
Senate political groups
Government (86)
  •   MORENA (62)
  •   PVEM (14)
  •   PT (9)
  •   IND (1)

Opposition (42)

Chamber of Deputies political groups
Government (364)

Opposition (136)

AuthorityTitle III, Chapter II of the
Political Constitution of the United Mexican States
Salary$119,770 pesos (Senator)
$99,071 pesos (Deputy)
Elections
Last Senate election
2 June 2024 (2024-06-02)
Last Chamber of Deputies election
2 June 2024 (2024-06-02)
Next Senate election
2 June 2030 (2030-06-02)
Next Chamber of Deputies election
6 June 2027 (2027-06-06)
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)
San Lázaro Building, the Chamber of Deputies, Congress of the Union

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. It consists 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.