Chamber of Deputies (Mexico)

For other uses, see Chamber of Deputies.
Chamber of Deputies
Cámara de Diputados
LXIII Legislature
Seal of the Chamber of Deputies
Founded September 28, 1821 (1821-09-28)
José de Jesús Zambrano Grijalva (PRD)
Since September 1, 2015 (2015-09-01)
Seats 500
Political groups
Last election
June 7, 2015
Meeting place
Chamber of Deputies
San Lázaro Legislative Palace
Mexico City
Official Website of the Chamber of Deputies

The Chamber of Deputies (Spanish: Cámara de Diputados) is the lower house of the Congress of the Union, the bicameral legislature of Mexico. The structure and responsibilities of both chambers of Congress are defined in Articles 50 to 70 of the current constitution.


The Chamber of Deputies is composed of one federal representative (in Spanish: diputado federal) for every 200,000 citizens. Currently (as of 2006 election) there are 500 deputies.

Of these, 300 "majority deputies" are directly elected by plurality from single-member districts, the federal electoral districts. The remaining 200 "party deputies" are assigned through rules of proportional representation. These seats are not tied to districts; rather, they are allocated to parties based on each party's share of the national vote. The 200 party deputies are intended to counterbalance the sectional interests of the district-based representatives. Substitutes are elected at the same time as each deputy, so special elections are rare.

From 1917 to 2015, deputies were barred from serving consecutive terms in accordance with the Constitution's ban on immediate reelection to the legislature. Thus, the Chamber of Deputies was one of the few legislative bodies in the world that was completely renewed at an election. However, this will change at the 2018 elections; deputies are now permitted to run for reelection. Congressional elections held halfway into the president's six year mandate are known as mid-term elections.

Current Representatives

See Main article: LXIII Legislature of the Mexican Congress

Last election

Party District Proportional Total
Votes % Seats Votes % Seats
Institutional Revolutionary Party11,604,66534.2415611,638,55629.1847203Decrease9
National Action Party8,346,84622.06558,379,27021.0153108Decrease6
Party of the Democratic Revolution1,941,1055.13284,335,73110.872856Decrease48
National Regeneration Movement3,327,7938.80143,346,3038.3921 35 Increase35
Ecologist Green Party385,4331.02292,758,1386.911847Increase18
Citizens' Movement2,421,1646.40102,431,9086.091626Increase10
New Alliance Party1,480,0903.9111,486,9353.729 100
Social Encounter Party1,319,2033.4901,325,3353.328 8Increase8
Labor Party665,5971.7601,134,4392.840 6Decrease9
Humanist Party852,9252.250856,8872.140 00
Unregistered candidates51,8860.14052,3840.13000
Invalid/blank votes1,892,0381,900,860
Registered voters/turnout
Source: INE

See also


  1. "Cámara de Diputados". Camara de Diputados. Retrieved February 25, 2014.

External links

Coordinates: 19°25′48″N 99°07′04″W / 19.43000°N 99.11778°W / 19.43000; -99.11778

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