What is the Biggest Illegal Drug in the US?: A Multifaceted Answer
•
3 min read
According to a 2024 report, over 64 million people in the U.S. used marijuana in the past year, making it the most used illicit substance. However, a different drug, illicit fentanyl, is responsible for the majority of overdose fatalities, complicating the question of what is the biggest illegal drug in the US. The answer is not a single drug but rather a combination of factors, including prevalence, lethality, and trafficking volumes.
