The CIA World Factbook Every edition, 2025 North America
Legislative branch - upper chamber Mexico, in 1 edition.
The entry for Mexico published Legislative branch - upper chamber in 1 edition of 36, from 2025 to 2025. The text never changed. Each is shown as published. Legislative branch - upper chamber in every entry.
- editions changed the text
- 0
- the first edition with it
- 2025
- the latest edition with it
- 2025
Published as “Legislative branch - upper chamber” (2025).
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2025 edition
First published- chamber name:
- Senate (Cámara de Senadores)
- number of seats:
- 128 (all directly elected)
- electoral system:
- mixed system
- scope of elections:
- full renewal
- term in office:
- 6 years
- most recent election date:
- 6/2/2024
- parties elected and seats per party:
- National Regeneration Movement (MORENA) (60);
- National Action Party (PAN) (22);
- Institutional Revolutionary Party (PRI) (16);
- Ecologist Green Party of Mexico (PVEM) (14);
- Labour Party (PT) (9);
- Other (7)
- percentage of women in chamber:
- 50%
- expected date of next election:
- June 2030
chamber name: Senate (Cámara de Senadores)
number of seats: 128 (all directly elected)
electoral system: mixed system
scope of elections: full renewal
term in office: 6 years
most recent election date: 6/2/2024
parties elected and seats per party: National Regeneration Movement (MORENA) (60); National Action Party (PAN) (22); Institutional Revolutionary Party (PRI) (16); Ecologist Green Party of Mexico (PVEM) (14); Labour Party (PT) (9); Other (7)
percentage of women in chamber: 50%
expected date of next election: June 2030
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Cite this page
Central Intelligence Agency. “Mexico: Legislative branch - upper chamber.” The World Factbook, 2025–2025 editions. Archived by The Factbook, thefactbook.org/mexico/legislative-branch-upper-chamber.