Good practice

Reforma Constitucional Mexicana «Paridad en Todo» de 2019 — Paridad de Género en Todas las Instituciones

Mexico · Mexico City · See the Mexico profile

La reforma «Paridad en Todo» (2019) extendió la paridad 50/50 a todas las instituciones públicas mexicanas. En 2024: mujeres con 50,6 % en la Cámara de Diputados, México 4.° mundial (UIP) y primera presidenta elegida.

50.6%

Mujeres entre los diputados federales (2024)

4th

Posición mundial en mujeres en el parlamento

Details

Maturity: Established
Promoter: Congreso de la Unión / Instituto Nacional Electoral (INE)
Period: 2019-present
Keywords: gender parity, political representation, electoral reform, constitutional reform, executive parity

Context

La reforma constitucional 'Paridad en Todo' de México, de 2019, amplió la paridad obligatoria de 50/50 de las listas legislativas a todas las instituciones públicas y a los tres poderes del Estado.

Results

En 2024, las mujeres ocupaban el 50,6 % de los escaños de diputados federales, México se situaba 4.º a nivel mundial en mujeres en el parlamento y el país eligió a su primera presidenta.

Implementation

Implementation detail (cost, timeline, staffing, conditions for success) is not yet available for this practice.

Data sources

Where this practice's information was retrieved from, and when.

C-NAPSE web research — accessed 2026-06-21
Congreso de la Unión / Instituto Nacional Electoral (INE) — accessed 2026-06-21
IPU Parline: Mexico Chamber of Deputies — Data on Women — accessed 2026-06-21
Piscopo & Vázquez Correa (2024): From 30% to Gender Parity in Everything — International Feminist Journal of Politics (pre-print) — accessed 2026-06-21
iKnowPolitics: Parity in Everything — What Mexico Can Teach Us About Women's Representation — accessed 2026-06-21

Quality score: 96/100

How is this calculated?

Evidence: Observational / pre–post

Top 4% in this catalogue (719 scored practices)

Scores cluster high, so position within the catalogue is often more telling than the number alone.

Evaluation

Evaluated by C-NAPSE

Score profile — the dimensions behind the score — how it's computed

Transferability / replicability2/3

The "parity in everything" model has been cited by the IPU and Latin American experts as a regional template; Ecuador, Bolivia, and Costa Rica have discussed similar constitutional extensions beyond legislature lists.

Impact on gender equality1/1

Women went from 48.6% (2018, prior law) to 50.6% (2024) in the Chamber of Deputies; parity extended to judiciary and executive for the first time; Mexico's first female president elected 2024.

Effectiveness1/1

The constitutional reform achieved its core objective: 50.6% women in the Chamber of Deputies (2024), parity maintained in the Senate, and INE enforces parity requirements across all public appointments.

Efficiency1/1

The reform used existing INE electoral enforcement infrastructure and the constitutional amendment process without significant new institutional cost.

Evaluated outcomes1/1

IPU Parline database tracks parliamentary outcomes; Piscopo & Vázquez Correa (2024) in the International Feminist Journal of Politics provides peer-reviewed academic evaluation.

Sustainability1/1

Parity is embedded in the Federal Constitution and cannot be reversed without a two-thirds congressional majority and ratification by a majority of states.

Achievement / evidence1/1

Concrete documented achievement: 50.6% women in Chamber of Deputies (September 2024, IPU); first female president of Mexico (Claudia Sheinbaum, October 2024); Senate at parity.

Gender-mainstreaming embedding1/1

Gender parity is embedded as a structural constitutional principle across all branches and levels of government — a binding norm governing all public appointments, not a temporary quota for candidate lists.

Curator validation1/1

IPU Parline official data, peer-reviewed academic publication (Piscopo & Vázquez Correa, IFJO 2024), iKnowPolitics analysis, and multiple independent news outlets — all authoritative sources.

Cite this

Evidoria. Reforma Constitucional Mexicana «Paridad en Todo» de 2019 — Paridad de Género en Todas las Instituciones. Persistent ID: 8afb70d8-79ef-4bff-9188-2d571f673b03.

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