Japan: Cannabis Laws (2024 Amendments & Prohibitions)
Last updated: October 14, 2025
Legal notice: Informational only—not legal advice. Japan enforces strict drug laws. Verify on official government sites below and follow the strictest rule. See Legal Disclaimer & No-Warranty and Terms of Use.
Overview
- Japan regulates cannabis under the Cannabis Control Act (CCA) and related laws.
- Amendments effective Dec 12, 2024 criminalize use of cannabis nationwide and adjust the framework for cannabis-derived medicines.
What’s Prohibited (High-Level)
Under the CCA and related statutes/regulations, possession, cultivation, transfer, import/export, and (since Dec 12, 2024) use of cannabis are criminal offenses, subject to penalties defined in statute.
Travel & Compliance Notes
- Do not bring cannabis into Japan. Customs controls are strict.
- Driving while impaired is illegal under road traffic rules.
- CBD/industrial hemp rules are narrow and subject to THC content and product origin controls—verify specifics on official portals before purchase or import.
Official References
- Cannabis Control Act (official English translation) — core prohibitions and definitions.
- Japan Customs guidance — import warnings and examples of controlled items.