Contraband in Mexico encompasses the illegal cross-border or domestic movement of prohibited, restricted, or undeclared goods. The following categories represent the most significant flows by volume, value, and enforcement priority:
Mexico is a primary transit and production corridor for U.S.-bound drugs. Marijuana, cocaine, heroin, methamphetamine, and fentanyl (increasingly pressed into counterfeit pills) move through cartel-controlled corridors. Seizures at ports of entry and interior checkpoints run into hundreds of tons annually.
An estimated 200,000+ firearms annually are trafficked from the U.S. to Mexico ("ant trafficking"—small purchases aggregated). Straw purchases, gun shows, and corrupt dealers supply cartels. .223/5.56mm, 7.62x39mm, .50 BMG rifles and pistols dominate.
Massive volumes of apparel, footwear, electronics, pharmaceuticals, cosmetics, and automotive parts enter via Pacific ports (Manzanillo, Lázaro Cárdenas) and land crossings. China is the primary source. Economic loss to legitimate industry exceeds $10B/year.
Watches (Rolex, Patek), jewelry, designer handbags, high-end electronics smuggled to avoid 16% IVA (VAT) + import duties. Often carried by "mules" on commercial flights or concealed in cargo.
Fruits (avocados, mangoes), vegetables, meat, cheese moved to bypass SADER/SENASICA phytosanitary permits. Risks: pest introduction (Medfly, swine fever), food safety.
Parrots, macaws, reptiles, jaguar parts, rosewood, cedar—Mexico is a biodiversity hotspot and transit point for Asian-bound wildlife. CITES violations carry severe penalties.
Distinct but overlapping: smuggling (consensual transport for fee) vs. trafficking (exploitation). Central American migrants, Mexican nationals to U.S.; sex trafficking networks.
Organized tapping of Pemex pipelines (gasoline, diesel, LPG)—$3B+/year loss. Stolen fuel sold via tanker trucks to complicit stations/industries.
Gold, silver, lithium ore/concentrate smuggled to evade royalties/taxes or export controls. Artisanal mining outputs often enter informal channels.
Counterfeit antibiotics, opioids, steroids, fentanyl precursors—public health crisis. COFEPRIS (health regulator) and customs target supply chains.
Mexico's enforcement involves Aduanas (Customs), SEMAR (Navy), SEDENA (Army), Guardia Nacional, FGR (Prosecutor), and international cooperation (CBP, HSI, UNODC).