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Illinois

Medical use:Legal
Recreational:Yes

In Illinois, both medical and recreational marijuana are legal. Medical marijuana was legalized in 2013 through House Bill 1, allowing qualified patients to possess up to 2.5 ounces of usable cannabis during a 14-day period. Following this, recreational marijuana was legalized in 2019. Residents over the age of 21 can purchase and possess up to 1 ounce of marijuana at any time, while non-residents may possess up to 15 grams. However, consuming marijuana in public places remains illegal.

Last Updated: March 27, 2024.

Source: States and territories legislation, NBC reports, NCSLMap data: Tlegrams/NPR Created with Datawrapper

Frequently Asked Questions

Only registered medical marijuana patients are allowed to grow cannabis at home in Illinois. They may cultivate up to 5 plants that are 5 inches or taller. Recreational users, however, are prohibited from growing cannabis at home.

Yes. Illinois has a tiered tax system for recreational cannabis based on THC content. Cannabis flower or products with less than 35% THC are taxed at 10%, edibles and products with over 35% THC are taxed at 20%, and cannabis-infused products are taxed at 25%.

Driving under the influence of cannabis is illegal and considered a DUI offense. Illinois has a THC blood concentration limit of 5 nanograms per milliliter. Penalties can include fines, license suspension, and potential jail time.

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