Estados Unidos Mexicanos
United Mexican States
Sistema Electoral Electoral System
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National Executive
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Composition
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1 President
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Election System
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Plurality
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Duration of Term
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Six years
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Term Limits
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One term
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Upper House of the National Legislature
- Senate
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Composition
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128 members
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Election System
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Two senators elected by plurality in each
of the 32 states
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One additional senator per state awarded
to the first minority party
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32 remaining seats are allocated based
on closed list proportional representation.
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Duration of Term
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Six years
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Term Limits
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Consecutive re-election is prohibited
but legislators may stand for election again after sitting
out a term
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Upper House of the National Legislature
- Chamber of Deputies
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Composition
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500 members
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Election System
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300 are elected by relative majority in
single-member districts
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200 are elected by closed list proportional
representation through the system of party lists.
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Duration of Term
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Three years
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Term Limits
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Consecutive re-election is prohibited
but legislators may stand for election again after sitting
out a term
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State / Provincial Executive
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Composition
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31 Governors and 1 Federal District Mayor
(Jefe de Gobierno)
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Election System
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Plurality
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Duration of Term
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Six Years
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Term Limits
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One term
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| District magnitude for PR districts? |
- 32 for Senate (1 national district)
- 40 for Chamber of Deputies (5 districts)
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| Threshold for PR seats |
No
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| Voting legally compulsory? |
Yes
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| Gender quotas? |
Yes, 30% must be female in the Chamber of
Deputies. In PR lists, women must hold one of every three
spots. (*)
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| Quotas for minority representation? |
No
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| Is remote voting possible? |
Mexican citizens living abroad can only
vote in Presidential elections. Ballots are sent by mail
and cannot be cast in consulates.
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| Concurrent Elections? |
The Chamber of Deputies and Senate are completely
renewed every three and six years, respectively. Senate
elections are held concurrently with Presidential elections,
with one midterm legislative election per Presidential term.
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(*) Information taken from Baldez, Lisa. "Elected Bodies: The Gender Quota Law for Legislative Candidates in Mexico." Legislative Studies Quarterly. Vol. 29, No. 2 (May 2004)
Fuente / Source: Instituto Federal Electoral de Mexico, Centro de Investigación y Docencia Económicas