The CIA World Factbook Every edition, 1990 to 2025 North America
Legislative branch Mexico, in 36 editions.
The entry for Mexico published Legislative branch in 36 editions of 36, from 1990 to 2025. The text changed in 26 editions. Each is shown as published. Legislative branch in every entry.
- editions changed the text
- 26
- the first edition with it
- 1990
- the latest edition with it
- 2025
Published as “Legislative branch” (1990 to 2025), “Senate (Camara de Senadores)” (1994 to 1996) and “Chamber of Deputies (Camara de Diputados)” (1994 to 1996).
field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.
2025 edition
Rewritten since 2024The same text in 1990 and 1991.
bicameral National Congress (Congreso de la Union) consists of an upper chamber or Senate (Camara de Senadores) and a lower chamber or Chamber of Deputies (Camara de Diputados)
bicameral National Congress (Congreso de la Union) consists of an upper chamber or Senate (Camara de Senadores) and a lower chamber or Chamber of Deputies (Camara de Diputados)
The same text in 1992 and 1993.
bicameral National Congress (Congreso de la Union) consists of an upper chamber or Senate (Camara de Senadores) and a lower chamber or Chamber of Deputies (Camara de Diputados)
bicameral National Congress (Congreso de la Union) consists of an upper
chamber or Senate (Camara de Senadores) and a lower chamber or Chamber of
Deputies (Camara de Diputados)
Published as “Legislative branch”
bicameral National Congress (Congreso de la Union)
Published as “Senate (Camara de Senadores)”
- elections last held on 18 August 1991 (next to be held 21 August 1994);
- results - percent of vote by party NA;
- seats in full Senate - (64 total; Senate will expand to 128 seats following next election) PRI 62, PRD 1, PAN 1
Published as “Chamber of Deputies (Camara de Diputados)”
- elections last held on 18 August 1991 (next to be held 21 August 1994);
- results - PRI 53%, PAN 20%, PFCRN 10%, PPS 6%, PARM 7%, PMS (now part of PRD) 4%;
- seats - (500 total) PRI 320, PAN 89, PRD 41, PFCRN 23, PARM 15, PPS 12
Rewritten: too little of the 1993 text remains to mark the changes.
bicameral National Congress (Congreso de la Union)
elections last held on 18 August 1991 (next to be held 21 August
1994); results - percent of vote by party NA; seats in full Senate -
(64 total; Senate will expand to 128 seats following next election)
PRI 62, PRD 1, PAN 1
elections last held on 18 August 1991 (next to be held 21 August
1994); results - PRI 53%, PAN 20%, PFCRN 10%, PPS 6%, PARM 7%, PMS
(now part of PRD) 4%; seats - (500 total) PRI 320, PAN 89, PRD 41,
PFCRN 23, PARM 15, PPS 12
Published as “Legislative branch”
bicameral National Congress (Congreso de la Union)
Published as “Senate (Camara de Senadores)”
- elections last held on 21 August 1994 (next to be held NA);
- results - percent of vote by party NA;
- seats in full Senate - (128 total; Senate expanded from 64 seats at the last election) PRI 93, PRD 25, PAN 10
Published as “Chamber of Deputies (Camara de Diputados)”
- elections last held on 24 August 1994 (next to be held NA);
- results - percent of vote by party NA;
- seats - (500 total) PRI 300, PAN 119, PRD 71, PFCRN 10
bicameral National Congress (Congreso de la Union)
elections last held on 18 21 August 1991 1994
(next to be held 21 August NA); results - percent of vote by party NA; seats in
1994);
full Senate -
(64will expand to 128 expanded from 64 seats following next election) at the last
election) PRI 62, 93, PRD 1, 25, PAN 1 10
elections last held on 18 24
August 1991 1994 (next to be held 21 August NA); results -
1994);PRI 53%, PAN 20%, PFCRN 10%, PPS 6%, PARM 7%, PMS percent of
(now partPRD) 4%; vote by party
NA; seats - (500 total) PRI 320, 300, PAN 89, 119, PRD 41,71, PFCRN 23, PARM 15, PPS 12 10
Published as “Legislative branch”
bicameral National Congress (Congreso de la Union)
Published as “Senate (Camara de Senadores)”
- elections last held 21 August 1994 (next to be held NA July 1997 for one-quarter of the seats);
- results - percent of vote by party NA;
- seats in full Senate - (128 total; Senate expanded from 64 seats at the last election) PRI 93, PRD 25, PAN 10
Published as “Chamber of Deputies (Camara de Diputados)”
- elections last held 24 August 1994 (next to be held NA July 1997);
- results - percent of vote by party NA;
- seats - (500 total) PRI 300, PAN 119, PRD 71, PT 10
bicameral National Congress (Congreso de la
Union)
elections last held on 21 August 1994
(next to be held NA); NA July 1997 for one-quarter of the seats); results
- percent of vote by party NA; seats in
Senate expanded from 64 seats at the last
PAN 10
elections last held on 24
August 1994 (next to be held NA); NA July 1997); results - percent of
vote by partyPFCRN PT 10
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats, expanded from 64 seats at the last election; members are elected by popular vote to serve six-year terms) and the Chamber of Deputies or Camara de Diputados (500 seats; members are directly elected by popular vote to serve three-year terms)
- elections:
- Senate - last held 21 August 1994 (next to be held 6 July 1997 for one-quarter of the seats);
- Chamber of Deputies - last held 24 August 1994 (next to be held 6 July 1997)
- election results:
- Senate - percent of vote by party - NA;
- seats by party in expanded Senate - PRI 93, PRD 25, PAN 10;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PRI 300, PAN 119, PRD 71, PT 10
bicameral National Congress (Congreso or Congreso de laUnion) Union consists of the Senate or Camara de Senadores (128 seats,elections expanded from 64 seats at the last election; members are elected by
popular vote to serve six-year terms) and the Chamber of Deputies or
Camara de Diputados (500 seats; members are directly elected by
popular vote to serve three-year terms)
elections: Senate - last held 21 August 1994NA 6 July
1997 for one-quarter of the seats); results Chamber of Deputies - last held 24
August 1994 (next to be held 6 July 1997)
election results: Senate - percent of vote by party - NA; seats by
party in full expanded Senate - (128 total; PRI 93, PRD 25,
Senate expanded from 64 seats at the last election)10 10; Chamber of Deputies
elections last held 24August 1994 (next to be held NA July 1997); results - percent of(500 total) PRI 300, PAN 119,
PRD 71, PT 10
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats, expanded from 64 seats at the last election; half are elected by popular vote to serve six-year terms, and half are allocated or on basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 seats are allocated on the basis of each party's popular vote, also for a three-year term)
- elections:
- Senate-last held 6 July 1997 for one-quarter of the seats;
- Chamber of Deputies-last held 6 July 1997 (the next legislative elections will coincide with the presidential election in July or August 2000)
- election results:
- Senate-percent of vote by party-NA;
- seats by party-PRI 77, PAN 33, PRD 16, PVEM 1, PT 1;
- note-the distribution of seats as of May 1998 is as follows-PRI 77, PAN 31, PRD 15, PT 1, independents 4;
- Chamber of Deputies - percent of vote by party-PRI 39%, PAN 27%, PRD 26%;
- seats by party-PRI 239, PRD 125, PAN 121, PVEM 8, PT 7;
- note-the distribution of seats as of May 1998 is as follows-PRI 237, PRD 127, PAN 120, PT 7, PVEM 6, independents 3
bicameral National Congress or Congreso de la
Union consists of the Senate or Camara de Senadores (128 seats,
expanded from 64 seats at the last election; members half are elected by
popular vote to serve six-year terms) terms, and half are allocated or on
basis of each party's popular vote) and the Chamber of Deputies or
Camara de Diputados (500 seats; 300 members are directly elected by
popular vote to serve three-year terms) terms; remaining 200 seats are
allocated on the basis of each party's popular vote, also for a
three-year term)
elections: Senate - last held 21 August 1994 (next to be Senate-last held 6 Julyseats); seats;
Chamber of Deputies - last held 24 Deputies-last held 6 July
August 1994 (next to be1997) 1997 (the next legislative
elections will coincide with the presidential election in July or
August 2000)
election results: Senate - percent Senate-percent of vote by party - NA; party-NA; seats byparty in expanded Senate - PRI 93, party-PRI 77, PAN 33, PRD 25, 16, PVEM 1, PT 1; note-the distribution of
seats as of May 1998 is as follows-PRI 77, PAN 10; 31, PRD 15, PT 1,
independents 4; Chamber of Deputiesparty - NA; party-PRI
39%, PAN 27%, PRD 26%; seats by party - PRI 300, party-PRI 239, PRD 125, PAN 119, 121, PVEM
8, PT 7; note-the distribution of seats as of May 1998 is as
follows-PRI 237, PRD 71, 127, PAN 120, PT 10 7, PVEM 6, independents 3
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; half are elected by popular vote to serve six-year terms, and half are allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- elections:
- Senate--last held 6 July 1997 for one-quarter of the seats;
- Chamber of Deputies--last held 6 July 1997 (the next legislative elections will coincide with the presidential election in July or August 2000)
- election results:
- Senate--percent of vote by party--NA;
- seats by party--PRI 77, PAN 33, PRD 16, PVEM 1, PT 1;
- note--the distribution of seats as of May 1998 is as follows--PRI 77, PAN 31, PRD 15, PT 1, independents 4;
- Chamber of Deputies--percent of vote by party--PRI 39%, PAN 27%, PRD 26%;
- seats by party--PRI 239, PRD 125, PAN 121, PVEM 8, PT 7;
- note--the distribution of seats as of May 1998 is as follows--PRI 237, PRD 127, PAN 120, PT 7, PVEM 6, independents 3
bicameral National Congress or Congreso de la
Union consists of the Senate or Camara de Senadores (128 seats, seats; half
expanded from 64 seats at the last election;
are elected by
allocated or on
of Deputies or
directly elected by
remaining 200 seats members are
popular vote, also for athree-year term) terms)
elections: Senate-last Senate--last held 6 July 1997 for one-quarter of the seats;
seats; Chamber of Deputies-last Deputies--last held 6 July 1997 (the next legislative
legislative elections will coincide with the presidential election
in July or
election results: Senate-percent Senate--percent of vote by party-NA; party--NA; seats byparty-PRI party--PRI 77, PAN 33, PRD 16, PVEM 1, PT 1; note-the note--the distribution of
seats as of May 1998 is as follows-PRI follows--PRI 77, PAN 31, PRD 15, PT 1,
independents 4; Chamber of Deputies - percent Deputies--percent of vote by party-PRI party--PRI
39%, PAN 27%, PRD 26%; seats by party-PRI party--PRI 239, PRD 125, PAN 121, PVEM
PVEM 8, PT 7; note-the note--the distribution of seats as of May 1998 is asfollows-PRI follows--PRI 237, PRD 127, PAN 120, PT 7, PVEM 6, independents 3
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; half are elected by popular vote to serve six-year terms, and half are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- elections:
- Senate - last held 6 July 1997 for one-quarter of the seats;
- Chamber of Deputies - last held 6 July 1997 (the next legislative elections will coincide with the presidential election 2 July 2000)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PRI 77, PAN 33, PRD 16, PVEM 1, PT 1;
- note - the distribution of seats as of October 1999 is as follows - PRI 75, PAN 31, PRD 16, PT 1, independents 5;
- Chamber of Deputies - percent of vote by party - PRI 39%, PAN 27%, PRD 26%;
- seats by party - PRI 239, PRD 125, PAN 121, PVEM 8, PT 7;
- note - the distribution of seats as of October 1999 is as follows - PRI 237, PRD 125, PAN 120, PT 7, PVEM 6, independents 5
bicameral National Congress or Congreso de la
elections: Senate--last Senate - last held 6 July 1997 for one-quarter of theDeputies--last Deputies - last held 6 July 1997 (the next
inor August 2000)
election results: Senate--percent Senate - percent of vote by party--NA; party - NA; seats by
party--PRInote--the note - the distribution ofMay 1998 October 1999 is as follows--PRI 77, follows - PRI 75, PAN 31, PRD 15, 16, PT 1,4; 5; Chamber of Deputies--percent Deputies - percent of vote by party--PRIparty - PRI 39%, PAN 27%, PRD 26%; seats by party--PRI party - PRI 239, PRD 125, PAN 121,note--the note - the distribution of seats as of May 1998 October 1999 is as
follows--PRI127, 125, PAN 120, PT 7, PVEM 6, independents 3 5
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms) elections: Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 2 July 2000 (next to be held NA 2003) election results: Senate - percent of vote by party - NA%; seats by party - PRI 59, PAN 45, PRD 17, PVEM 5, PT 1, PCD 1; Chamber of Deputies - percent of vote by party - NA%; seats by party - PRI 211, PAN 208, PRD 50, PVEM 16, PT 7, PCD 3, PSN 3, PAS 2
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; half 96 are elected by popular vote to serve six-year terms, and half 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)6 2 July 1997 2000 for one-quarter all of the seats; seats (next to be held NA 2006); Chamber of Deputies - last held 6 July 1997 (the next legislative elections will coincide with the presidential election 2 July 2000)2000 (next to be held NA 2003) election results: Senate - percent of vote by party - NA; NA%; seats by party - PRI 77, 59, PAN 33, 45, PRD 16, 17, PVEM 1, PT 1; note - the distribution of seats as of October 1999 is as follows - PRI 75, PAN 31, PRD 16, 5, PT 1, independents 5; PCD 1; Chamber of Deputies - percent of vote by party - PRI 39%, PAN 27%, PRD 26%; NA%; seats by party - PRI 239, PRD 125, 211, PAN 121, PVEM 8, PT 7; note - the distribution of seats as of October 1999 is as follows - PRI 237, 208, PRD 125, PAN 120, 50, PVEM 16, PT 7, PVEM 6, independents 5 PCD 3, PSN 3, PAS 2
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- election results:
- Senate - percent of vote by party - NA%;
- seats by party - PRI 60, PAN 46, PRD 15, PVEM 5, PT 1, CD 1;
- Chamber of Deputies - percent of vote by party - NA%;
- seats by party - PRI 211, PAN 207, PRD 50, PVEM 16, PT 8, PSN 3, PAS 2, CD 1, independents 2
- elections:
- Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 2 July 2000 (next to be held NA 2003)
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms) elections: Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 2 July 2000 (next to be held NA 2003)
election results: Senate - percent of vote by party - NA%; seats by party - PRI 59, 60, PAN 45, 46, PRD 17, 15, PVEM 5, PT 1, PCD CD 1; Chamber of Deputies - percent of vote by party - NA%; seats by party - PRI 211, PAN 208, 207, PRD 50, PVEM 16, PT 7, PCD 3, 8, PSN 3, PAS 2, CD 1, independents 2
elections: Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 2 July 2000 (next to be held NA 2003)
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- election results:
- Senate - percent of vote by party - NA%;
- seats by party - PRI 60, PAN 46, PRD 15, PVEM 5, PT 1, CD 1;
- Chamber of Deputies - percent of vote by party - NA%;
- seats by party - PRI 224, PAN 153, PRD 95, other 28
- elections:
- Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 6 July 2003 (next to be held NA 2006)
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
election results: Senate - percent of vote by party - NA%; seats by party - PRI 60, PAN 46, PRD 15, PVEM 5, PT 1, CD 1; Chamber of Deputies - percent of vote by party - NA%; seats by party - PRI 211, 224, PAN 207, 153, PRD 50, PVEM 16, PT 8, PSN 3, PAS 2, CD 1, independents 2 95, other 28
elections: Senate - last held 2 July 2000 for all of the seats (next to be held NA 2006); Chamber of Deputies - last held 2 6 July 2000 2003 (next to be held NA 2003) 2006)
The same text in 2004 and 2005.
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- elections:
- Senate - last held 2 July 2000 for all of the seats (next to be held 2 July 2006); Chamber of Deputies - last held 6 July 2003 (next to be held 2 July 2006)
- election results:
- Senate - percent of vote by party - NA%;
- seats by party - PRI 60, PAN 46, PRD 16, PVEM 5, unassigned 1;
- Chamber of Deputies - percent of vote by party - NA%;
- seats by party - PRI 222, PAN 151, PRD 95, PVEM 17, PT 6, CD 5, unassigned 4;
- note - special elections were held in December 2003;
- the PRI and the PRD each won one seat and were each assigned one additional proportional representation seat
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
elections: Senate - last held 2 July 2000 for all of the seats (next to be held 2 July 2006); Chamber of Deputies - last held 6 July 2003 (next to be held 2 July 2006)
election results: Senate - percent of vote by party - NA%; seats by party - PRI 60, PAN 46, PRD 15, 16, PVEM 5, PT 1, CD unassigned 1; Chamber of Deputies - percent of vote by party - NA%; seats by party - PRI 224, 222, PAN 153, 151, PRD 95, other 28 PVEM 17, PT 6, CD 5, unassigned 4; note -
elections: Senatelast special elections were held 2 July 2000 for all of in December 2003; the seats (next to be held NA 2006); Chamber of Deputies - last held 6 July 2003 (next to be held NA 2006) PRI and the PRD each won one seat and were each assigned one additional proportional representation seat
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
- elections:
- Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
- election results:
- Senate - percent of vote by party - NA%;
- seats by party - PAN 52, PRI 33, PRD 29, PVEM 6, CD 5, PT 2, PNA 1;
- Chamber of Deputies - percent of vote by party - NA%;
- seats by party - PAN 206, PRD 127, PRI 103, PVEM 18, CD 17, PT 16, other 13;
- note - election results pending certification
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 are elected by popular vote to serve six-year terms, and 32 are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; remaining 200 members are allocated on the basis of each party's popular vote, also for three-year terms)
elections: Senate - last held 2 July 2000 2006 for all of the seats (next to be held 2 1 July 2006); 2012); Chamber of Deputies - last held 6 2 July 2003 2006 (next to be held 2 5 July 2006) 2009)
election results: Senate - percent of vote by party - NA%; seats by party - PRI 60, PAN 46, 52, PRI 33, PRD 16, 29, PVEM 6, CD 5, unassigned PT 2, PNA 1; Chamber of Deputies - percent of vote by party - NA%; seats by party - PRI 222, PAN 151, 206, PRD 95, 127, PRI 103, PVEM 18, CD 17, PT 6, CD 5, unassigned 4; 16, other 13; note - special elections were held in December 2003; the PRI and the PRD each won one seat and were each assigned one additional proportional representation seat election results pending certification
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; to serve three-year terms)
- elections:
- Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PAN 206, PRD 127, PRI 106, PVEM 17, CD 17, PT 12, other 18
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are directly elected by popular vote to serve three-year terms; vote; remaining 200 members are allocated on the basis of each party's popular vote, also for vote; to serve three-year terms)
elections: Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
election results: Senate - percent of vote by party - NA%; NA; seats by party - PAN 52, PRI 33, PRD 29, 26, PVEM 6, CD 5, PT 2, PNA 5, independent 1; Chamber of Deputies - percent of vote by party - NA%; NA; seats by party - PAN 206, PRD 127, PRI 103, 106, PVEM 18, 17, CD 17, PT 16, 12, other 13; note - election results pending certification 18
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; to serve three-year terms)
- elections:
- Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PAN 207, PRD 127, PRI 106, PVEM 17, CD 17, PT 11, other 15
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; to serve three-year terms)
elections: Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
election results: Senate - percent of vote by party - NA; seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1; Chamber of Deputies - percent of vote by party - NA; seats by party - PAN 206, 207, PRD 127, PRI 106, PVEM 17, CD 17, PT 12, 11, other 18 15
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; to serve three-year terms)
- elections:
- Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PAN 207, PRD 127, PRI 106, PVEM 17, CD 17, PT 11, other 15
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Federal Chamber of Deputies or Camara Federal de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; to serve three-year terms)
elections:
Senate - last held 2 July 2006 for all of the seats (next to be held 1 July 2012); Chamber of Deputies - last held 2 July 2006 (next to be held 5 July 2009)
election results:
Senate - percent of vote by party - NA; seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1; Chamber of Deputies - percent of vote by party - NA; seats by party - PAN 207, PRD 127, PRI 106, PVEM 17, CD 17, PT 11, other 15
The same text in 2010 and 2011.
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members elected by popular vote to serve six-year terms, and 32 seats allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; members to serve three-year terms)
- elections:
- Senate - last held on 2 July 2006 for all of the seats (next to be held on 1 July 2012);
- Chamber of Deputies - last held on 5 July 2009 (next to be held on 1 July 2012)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PRI 237, PAN 143, PRD 72, PVEM 21, PT 13, CD 6, other 8;
- note - as of 1 January 2011, the current composition of the Senate is: PAN 50, PRI 33, PRD 25, PVEM 6, CD 6, PT 5, independent 3;
- the current composition of the Chamber of Deputies is: PRI 237, PAN 142, PRD 69, PVEM 21, PT 13, CD 8, other 10
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members are elected by popular vote to serve six-year terms, and 32 seats are allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; members to serve three-year terms)
elections:
Senate - last held on 2 July 2006 for all of the seats (next to be held on 1 July 2012); Chamber of Deputies - last held 2 on 5 July 2006 2009 (next to be held 5 on 1 July 2009) 2012)
election results:
Senate - percent of vote by party - NA; seats by party - PAN 52, PRI 33, PRD 26, PVEM 6, CD 5, PT 5, independent 1; Chamber of Deputies - percent of vote by party - NA; seats by party - PRI 237, PAN 207, 143, PRD 127, 72, PVEM 21, PT 13, CD 6, other 8; note - as of 1 January 2011, the current composition of the Senate is: PAN 50, PRI 106, 33, PRD 25, PVEM 17, 6, CD 17, 6, PT 11, 5, independent 3; the current composition of the Chamber of Deputies is: PRI 237, PAN 142, PRD 69, PVEM 21, PT 13, CD 8, other 15 10
The same text in 3 editions, 2012 to 2014.
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members elected by popular vote to serve six-year terms, and 32 seats allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; members to serve three-year terms)
- elections:
- Senate - last held on 1 July 2012 for all of the seats (next to be held on 1 July 2018);
- Chamber of Deputies - last held on 1 July 2012 (next to be held on 5 July 2015)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PRI 52, PAN 38, PRD 22, PVEM 9, PT 4, Movimiento Ciudadano 2, PANAL 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PRI 208, PAN 114, PRD 100, PVEM 33, PT 19, Movimiento Ciudadano 16, PANAL 10
bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members elected by popular vote to serve six-year terms, and 32 seats allocated on the basis of each party's popular vote) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are elected by popular vote; remaining 200 members are allocated on the basis of each party's popular vote; members to serve three-year terms)
elections:
Senate - last held on 2 1 July 2006 2012 for all of the seats (next to be held on 1 July 2012); 2018); Chamber of Deputies - last held on 5 1 July 2009 2012 (next to be held on 1 5 July 2012) 2015)
election results:
Senate - percent of vote by party - NA; seats by party - PAN 52, PRI 33, 52, PAN 38, PRD 26, 22, PVEM 6, CD 5, 9, PT 5, independent 4, Movimiento Ciudadano 2, PANAL 1; Chamber of Deputies - percent of vote by party - NA; seats by party - PRI 237, 208, PAN 143, 114, PRD 72, 100, PVEM 21, PT 13, CD 6, other 8; note - as of 1 January 2011, the current composition of the Senate is: PAN 50, PRI 33, PRD 25, PVEM 6, CD 6, PT 5, independent 3; the current composition of the Chamber of Deputies is: PRI 237, PAN 142, PRD 69, PVEM 21, PT 13, CD 8, other 19, Movimiento Ciudadano 16, PANAL 10
The same text in 2015 and 2016.
- description:
- bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
- Senate - last held on 1 July 2012 for all of the seats (next to be held 1 July 2018);
- Chamber of Deputies - last held on 7 June 2015 (next to be held on 1 July 2018)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - PRI 52, PAN 38, PRD 22, PVEM 9, PT 4, Movimiento Ciudadano 2, PANAL 1;
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - PRI 203, PAN 108, PRD 56, PVEM 47, MORENA 35, MC 26, PNA/PANAL 10, PES 8, PT 6, independent 1
description: bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by popular simple majority vote to serve six-year terms, and 32 seats allocated on the basis of each party's popular vote) directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members are directly elected in single-seat constituencies by popular vote; remaining simple majority vote and 200 members are allocated on the basis of each party's popular directly elected in a single, nationwide constituency by proportional representation vote; members to serve three-year 3-year terms)
elections:on 1 July 2018); Chamber of Deputies - last held on 1 July 2012 7 June 2015 (next to be held on 5 1 July 2015) 2018)
election results:208, 203, PAN 114, 108, PRD 100, 56, PVEM 33, 47, MORENA 35, MC 26, PNA/PANAL 10, PES 8, PT 19, Movimiento Ciudadano 16, PANAL 10 6, independent 1
- description:
- bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
note: for the 2018 elections, senators will be eligible for a second term and deputies up to 4 consecutive terms
- elections:
- Senate - last held on 1 July 2012 (next to be held on 1 July 2018); Chamber of Deputies - last held on 7 June 2015 (next to be held on 1 July 2018)
- election results:
Senate - percent of vote by party - NA; seats by party - PRI 52, PAN 38, PRD 22, PVEM 9, PT 4, MC 2, PANAL 1;
Chamber of Deputies - percent of vote by party - NA; seats by party - PRI 203, PAN 108, PRD 56, PVEM 47, MORENA 35, MC 26, PANAL 10, PES 8, PT 6, independent 1
description: bicameral National Congress or Congreso de la Union consists of the Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms) and the Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
note: for the 2018 elections, senators will be eligible for a second term and deputies up to 4 consecutive terms
elections: Senate - last held on 1 July 2012 for all of the seats (next to be held on 1 July 2018); Chamber of Deputies - last held on 7 June 2015 (next to be held on 1 July 2018)
election results: Senate - percent of vote by party - NA; seats by party - PRI 52, PAN 38, PRD 22, PVEM 9, PT 4, Movimiento Ciudadano MC 2, PANAL 1;
Chamber of Deputies - percent of vote by party - NA; seats by party - PRI 203, PAN 108, PRD 56, PVEM 47, MORENA 35, MC 26, PNA/PANAL PANAL 10, PES 8, PT 6, independent 1
- description:
bicameral National Congress or Congreso de la Union consists of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
Senate - last held on 1 July 2018 (next to be held on 1 July 2024)
Chamber of Deputies - last held on 1 July 2018 (next to be held on 1 July 2021)
- election results:
Senate - percent of vote by party - percent of vote by party - NA; seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1;
Chamber of Deputies - percent of vote by party - NA; seats by party - MORENA 193, PAN 79, PT 61, PES 58, PRI 42, MC 26, PRD 23, PVEM 17, PNA/PANAL 1
note: for the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
description: bicameral National Congress or Congreso de la Union consists of the of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms) and the
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)note: for the 2018 elections, senators will be eligible for a second term and deputies up to 4 consecutive termselections: Senate - last held on 1 July 2012 2018 (next to be held on 1 July 2018); 2024)
Chamber of Deputies - last held on 7 June 2015 1 July 2018 (next to be held on 1 July 2018) 2021)
election results: Senate - percent of vote by party - percent of vote by party - NA; seats by party - PRI 52, MORENA 58, PAN 38, PRD 22, PVEM PRI 14, PRD 9, PT 4, MC 2, PANAL 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1;
Chamber of Deputies - percent of vote by party - NA; seats by party - PRI 203, PAN 108, PRD 56, PVEM 47, MORENA 35, 193, PAN 79, PT 61, PES 58, PRI 42, MC 26, PANAL 10, PES 8, PT 6, independent PRD 23, PVEM 17, PNA/PANAL 1
note: for the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
The same text in 2019 and 2020.
- description:
bicameral National Congress or Congreso de la Union consists of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
Senate - last held on 1 July 2018 (next to be held on 1 July 2024)
Chamber of Deputies - last held on 1 July 2018 (next to be held on 1 July 2021)
- election results:
- Senate - percent of vote by party - percent of vote by party - NA;
- seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1;
- composition - men 65, women 63, percent of women 49.3%
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - MORENA 193, PAN 79, PT 61, PES 58, PRI 42, MC 26, PRD 23, PVEM 17, PNA/PANAL 1;
- composition - men 259, women 241, percent of women 48.2%;
- note - total National Congress percent of women 48.4%
note: for the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
description: bicameral National Congress or Congreso de la Union consists of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
elections: Senate - last held on 1 July 2018 (next to be held on 1 July 2024)
Chamber of Deputies - last held on 1 July 2018 (next to be held on 1 July 2021)
election results: Senate - percent of vote by party - percent of vote by party - NA; seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1; composition - men 65, women 63, percent of women 49.3%
Chamber of Deputies - percent of vote by party - NA; seats by party - MORENA 193, PAN 79, PT 61, PES 58, PRI 42, MC 26, PRD 23, PVEM 17, PNA/PANAL 1 1; composition - men 259, women 241, percent of women 48.2%; note - total National Congress percent of women 48.4%
note: for the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
The same text in 2021 and 2022.
- description:
bicameral National Congress or Congreso de la Union consists of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
Senate - last held on 1 July 2018 (next to be held in July 2024)
Chamber of Deputies - last held on 6 June 2021 (next to be held in July 2024)
- election results:
- Senate - percent of vote by party - percent of vote by party - NA;
- seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1;
- composition (as of July 2018) - men 65, women 63, percent of women 49.2%
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - MORENA 197, PAN 111, PRI 69, PVEM 44, PT 38, MC 25, PRD 16;
- composition - men 250, women 250, percent of women 50%;
- note - overall percent of women in National Congress 49.8%
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
description: bicameral National Congress or Congreso de la Union consists of:
Senate or Camara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
elections:
Senate - last held on 1 July 2018 (next to be held on 1 in July 2024)
Chamber of Deputies - last held on 1 July 2018 6 June 2021 (next to be held on 1 in July 2021) 2024)
election results:
Senate - percent of vote by party - percent of vote by party - NA; seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1; composition (as of July 2018) - men 65, women 63, percent of women 49.3% 49.2%
Chamber of Deputies - percent of vote by party - NA; seats by party - MORENA 193, 197, PAN 79, PT 61, PES 58, 111, PRI 42, 69, PVEM 44, PT 38, MC 26, 25, PRD 23, PVEM 17, PNA/PANAL 1; 16; composition - men 259, 250, women 241, 250, percent of women 48.2%; 50%; note - total National Congress overall percent of women 48.4% in National Congress 49.8%
note: for as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
- description:
bicameral National Congress or Congreso de la Unión consists of:
Senate or Cámara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Cámara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
Senate - last held on 1 July 2018 (next to be held in July 2024)
Chamber of Deputies - last held on 6 June 2021 (next to be held in July 2024)
- election results:
- Senate - percent of vote by party - percent of vote by party - NA;
- seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1;
- composition (as of July 2018) - men 65, women 63, percent of women 49.2%
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - MORENA 197, PAN 111, PRI 69, PVEM 44, PT 38, MC 25, PRD 16;
- composition - men 250, women 250, percent of women 50%;
- note - overall percent of women in National Congress 49.8%
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
description: bicameral National Congress or Congreso de la Union Unión consists of:
Senate or Camara Cámara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Camara Cámara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
elections:
Senate - last held on 1 July 2018 (next to be held in July 2024)
Chamber of Deputies - last held on 6 June 2021 (next to be held in July 2024)
election results:
Senate - percent of vote by party - percent of vote by party - NA; seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1; composition (as of July 2018) - men 65, women 63, percent of women 49.2%
Chamber of Deputies - percent of vote by party - NA; seats by party - MORENA 197, PAN 111, PRI 69, PVEM 44, PT 38, MC 25, PRD 16; composition - men 250, women 250, percent of women 50%; note - overall percent of women in National Congress 49.8%
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
- description:
bicameral National Congress or Congreso de la Unión consists of:
Senate or Cámara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Cámara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
- elections:
Senate - last held on 2 June 2024 (next to be held in 2030)
Chamber of Deputies - last held on 2 June 2024 (next to be held in 2027)
- election results:
- Senate - percent of vote by party - NA;
- seats by party - NA;
- note - awaiting official results from the 2 June 2024 election
- Chamber of Deputies - percent of vote by party - NA;
- seats by party - NA;
- note - awaiting official results from the 2 June 2024 election
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
description: bicameral National Congress or Congreso de la Unión consists of:
Senate or Cámara de Senadores (128 seats; 96 members directly elected in multi-seat constituencies by simple majority vote and 32 directly elected in a single, nationwide constituency by proportional representation vote; members serve 6-year terms)
Chamber of Deputies or Cámara de Diputados (500 seats; 300 members directly elected in single-seat constituencies by simple majority vote and 200 directly elected in a single, nationwide constituency by proportional representation vote; members serve 3-year terms)
elections:1 July 2018 2 June 2024 (next to be held in July 2024) 2030)
Chamber of Deputies - last held on 6 2 June 2021 2024 (next to be held in July 2024) 2027)
election results:percent of vote by party - NA; seats by party - MORENA 58, PAN 22, PRI 14, PRD 9, MC 7, PT 7, PES 5, PVEM 5, PNA/PANAL 1; composition (as of July 2018) NA; note - men 65, women 63, percent of women 49.2% awaiting official results from the 2 June 2024 election
Chamber of Deputies - percent of vote by party - NA; seats by party - MORENA 197, PAN 111, PRI 69, PVEM 44, PT 38, MC 25, PRD 16; composition - men 250, women 250, percent of women 50%; NA; note - overall percent of women in National Congress 49.8% awaiting official results from the 2 June 2024 election
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
- legislature name:
- Congress of the Union (Congreso de la Unión)
- legislative structure:
- bicameral
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
Rewritten: too little of the 2024 text remains to mark the changes.
legislature name: Congress of the Union (Congreso de la Unión)
legislative structure: bicameral
note: as of the 2018 election, senators will be eligible for a second term and deputies up to 4 consecutive terms
No edition has those words. Try a shorter word.
Cite this page
Central Intelligence Agency. “Mexico: Legislative branch.” The World Factbook, 1990–2025 editions. Archived by The Factbook, thefactbook.org/mexico/legislative-branch.