Mexico

Senate

Political system
Presidential system
Structure of parliament
Bicameral
IPU membership
Yes

About parliament

Basic information such as the official name of parliament and details of its structure and leadership. Also includes the current breakdown of MPs by sex and age, and provisions for quotas and reserved seats.

Parliament name
Congreso de la Unión (Congress of the Union)
Chamber name
Cámara de Senadores (Senate)
Structure & status of parliament
Upper chamber
Parliamentary term (years)
6

IPU membership

Affiliation periods
from 1925 to 1927
from 1973
IPU Geopolitical Group/s
Group of Latin America and the Caribbean (GRULAC)

Speaker

Official title
President of the Senate
Speaker
Ana Lilia Rivera Rivera (Female)
Date of birth: 14 Feb 1973
Term
01 Sep 2023 to 31 Aug 2024

Speaker terms

Click for historical data

Secretary general

Official title
Secretary General
Secretary General
Mauricio Farah Gevara (Male)
Term
11 Dec 2018
Notes

Appointed on 11 December 2018.

Members

Statutory number of members
128
Principal mode of designation of members
Directly elected
Directly elected members
128
Current number of members
126
Men
Click for historical data
Women
Click for historical data
Percentage of women
0.0%
Statutory number of members per country 
628
Population (in thousands)
126,705
Inhabitants per parliamentarian
201,760

Age

Data on the age of parliamentarians is collected at the start of the legislature, following the most recent elections. This data is not updated during the legislature, except when parliament notifies the IPU of a change in the youngest or oldest member.

Average age of all members
54.1
(2018-09)
Youngest member
Claudia Esther Balderas Espinoza (Female)
Youngest member (years)
26
Oldest member
Hernández Ifigenia Martinez (Male)
Oldest member (years)
88
Number of members, by age (2018-09)
Breakdown of members by age and gender
18 - 20 21 - 30 31 - 40 41 - 45 46 - 50 51 - 60 61 - 70 71 - 80 81 - 90 91 and over Totals per gender
Male 0 0 5 9 6 18 13 7 0 0 58
Female 0 2 8 6 6 10 9 2 0 1 44
Totals per age interval 0 2 13 15 12 28 22 9 0 1 102
Total <= 45: 30 Total >= 46: 72
Percentage of members, by age
Age at the last election or renewal Overall Male Female
Percentage of MPs 30 years of age or younger
2.0% 0.0% 2.0%
Percentage of MPs 40 years of age or younger
14.7% 5% 9.8%
Percentage of MPs 45 years of age or younger
29.4% 14% 15.7%
Members for whom age data is not available
17
(2018-09)

Reserved seats and quotas

There are reserved seats in parliament for certain groups
No
Electoral quota for women
Yes

Notes:

Article 3.1. d bis) of the April 2020 Decree (DOF: 13/04/2020)* stipulates gender parity requirements, which require 50% of candidates to be women and 50% to be men for positions filled through popular election and the same percentages for those appointed to their positions.

*DECREE reforming and supplementing various provisions of the General Law on Women's Access to a Life Free of Violence (Ley General de Acceso de las Mujeres a una Vida Libre de Violencia), the General Law on Electoral Institutions and Procedures (Ley General de Instituciones y Procedimientos Electorales), the General Law on the Electoral Disputes System (Ley General del Sistema de Medios de Impugnación en Materia Electoral), the General Law on Political Parties (Ley General de Partidos Políticos), the General Law on Electoral Offences (Ley General en Materia de Delitos Electorales), the Organic Law on the Federal Attorney General's Office (Ley Orgánica de la Fiscalía General de la República), the Organic Law on the Federal Judicial Branch (Ley Orgánica del Poder Judicial) and the General Law on Administrative Responsibilities (Ley General de Responsabilidades Administrativas).

Legislated candidate quotas

Sources:

DOF: 13/04/2020: http://www.dof.gob.mx/nota_detalle.php?codigo=5591565&fecha=13/04/2020

Legislated candidate quotas: Articles 219 and 220 of the Federal Code for Electoral Institutions and Procedures (Código Federal de Instituciones y Procedimientos Electorales, COFIPE).

Youth quota
No

Links to additional information

Parliamentary website
List of members
Rules of procedure/Standing Orders
Constitution

Historical data for IPU membership

Historical data for IPU membership
Year IPU membership
2020-09
List of values for 2020-09
No
2019-04
List of values for 2019-04
No
2018-06
List of values for 2018-06
No