Is Cannabis Legal in Mexico?

Last verified: April 2026

The Defining Mexican Paradox

Mexico is, in April 2026, the only country on Earth where the highest court has declared the prohibition of personal cannabis use unconstitutional — and yet there is nowhere legal to buy it. Every other major reform jurisdiction (Canada, Uruguay, Germany, Malta, Thailand, the U.S. legal-rec states) reformed through the legislature or executive. In Mexico, reform has been driven from the bench, against the inertia of a Congress that has now missed every deadline the Suprema Corte has set since 2018.

The result: a country with a constitutional right to smoke, a 5-gram personal-possession threshold under the Ley de Narcomenudeo, an amparo route to grow at home, a small medical-pharmacy program — and absolutely no legal recreational dispensary, anywhere. "El país con el derecho de fumar pero sin dónde comprar."

Key Facts at a Glance

The Three Layers of Mexican Cannabis Law

To understand cannabis in Mexico, you have to hold three legal layers in your head simultaneously:

1. The Constitutional Layer (SCJN, since 2015)

The Suprema Corte de Justicia de la Nación, in a series of amparo decisions starting with Amparo en Revisión 237/2014 in November 2015 and culminating in Declaratoria General de Inconstitucionalidad 1/2018 on June 28, 2021, held that the prohibition of recreational personal cannabis use violates Article 4's right to libre desarrollo de la personalidad — the free development of personality. This is binding doctrine. Read the full jurisprudence.

2. The Statutory Layer (LGS + CPF, still in force)

The Ley General de Salud still lists cannabis as a controlled narcotic. The Código Penal Federal still criminalizes its commerce. The 2021 SCJN ruling struck down only the application of these provisions to personal recreational use — it did not repeal them. Anyone selling cannabis is still committing a crime under Article 194. Anyone possessing more than 5 g is still exposed to narcomenudeo prosecution. Read the penalty framework.

3. The Practical Layer (police, mordida, tolerance)

On the street, what matters is whether the police choose to detain, and what happens when they do. Up to 5 g is statistically tolerated; police can still detain, search, and demand the mordida (bribe). State and municipal posture varies enormously — CDMX is the most tolerant, Querétaro and Guanajuato among the strictest. See regional variation.

Right to Consume, No Right to Buy

What This Means in Practice

• For Mexican adults: You can pursue an amparo permit (see the process) for personal cultivation and possession. You cannot legally buy cannabis anywhere in Mexico.
• For visitors: Mexico is not "legal." There are no recreational dispensaries. The 5-g personal threshold offers de facto tolerance, not legal protection. See the visitor reality.
• For medical patients: Mexico has a small pharmacy-channel program (under 5,000 patients). It excludes flower. Costs are high. See the medical program.
• For travelers crossing the U.S. border: It is a federal felony in both directions, regardless of California, Arizona, or New Mexico legality. Read the border warning.

How Did Mexico Get Here?

• March 1920: Mexico federally prohibits cannabis — 17 years before the U.S. The 1920 prohibition.
• 2009: Ley de Narcomenudeo establishes the 5-gram personal-use threshold and state-level prosecution of small-scale dealing.
• November 2015: SCJN First Chamber issues Amparo en Revisión 237/2014, the first ruling that prohibition violates the right to free development of personality.
• June 2017: President Peña Nieto signs the medical-cannabis amendment to the Ley General de Salud.
• 2018: SCJN reaches jurisprudencia firme on the unconstitutionality of recreational prohibition.
• November 19, 2020: Senate approves the Ley Federal para la Regulación del Cannabis (82–18–7). Chamber of Deputies never votes on final passage.
• January 12, 2021: Medical-cannabis reglamento published in the Diario Oficial de la Federación.
• June 28, 2021: SCJN issues Declaratoria General 1/2018. COFEPRIS ordered to issue individual amparo permits.
• October 2024: Sheinbaum administration takes office. Cannabis is not on the publicly stated 2025–2026 legislative agenda.

Explore Mexican Cannabis Law

Official Sources

• COFEPRIS — Comisión Federal para la Protección contra Riesgos Sanitarios
• Suprema Corte de Justicia de la Nación
• SCJN Sistema de Consulta de Tesis y Jurisprudencia
• Cámara de Diputados — Leyes Federales