Number of U.S. Americans who used illicit drugs in their lifetime 2023, by drug type

Marijuana, followed by cocaine and LSD, is the most used illicit drug in the United States. As of 2023, around 133.5 million people in the United States had used marijuana at some point in their lifetime. In the past few years, a number of states have legalized marijuana for both recreational and medical purposes, creating a new and thriving market. Legal cannabisAs of the beginning of 2023, 21 U.S. states had legalised the use of cannabis for recreational purposes. Sales of legal cannabis were estimated to reach 21.3 billion U.S. dollars in 2023, with this number expected to grow to 25 billion by the year 2025. By that time, the state of California is expected to account for around 20 percent of the legal cannabis industry. Florida and Illinois are expected to account for the second and third highest shares of the industry with eight percent each. Teen cannabis useDespite the recent change of legality in many U.S. states, the perceived availability of marijuana among 12th graders has decreased in recent years. Nevertheless, around 70 percent of 12th graders stated they perceived it to be “fairly easy” or “very easy” to obtain marijuana. Past month use of marijuana among high school students has also declined from figures reported in the late 1990s, but around 11 percent of high school students still report having used marijuana in the past month.

大麻，继可卡因和致幻剂（LSD）之后，是美国最广泛使用的非法药物。截至2023年，美国约有1.335亿人在其一生中的某个阶段使用过大麻。在过去的几年中，众多州已将大麻合法化，用于娱乐和医疗目的，从而催生了一个新兴且蓬勃发展的市场。截至2023年初，美国已有21个州将大麻合法化以供娱乐用途。预计到2023年，合法大麻的销售额将达到213亿美元，预计到2025年这一数字将增长至250亿美元。届时，加利福尼亚州预计将占据合法大麻产业的约20%。佛罗里达州和伊利诺伊州预计将分别占据产业第二和第三大份额，各占8%。尽管许多美国州近期在法律上的变化，但12年级学生中大麻的可获得性感知在过去几年中有所下降。尽管如此，仍有约70%的12年级学生表示他们认为获得大麻“相当容易”或“非常容易”。与20世纪90年代末报道的数字相比，高中生过去一个月使用大麻的比例也有所下降，但仍有约11%的高中生报告称他们在过去一个月内使用过大麻。