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What is the Scope of Cannabis (Marijuana) Use in the United States?

By Boris MacKey

Published: March 4, 2025

Cannabis use is widespread in the United States, affecting millions of individuals across different age groups.

While it is increasingly legalized for medical and recreational use, concerns remain about its impact, particularly among young people.

Understanding the prevalence of cannabis consumption, its use among students, and the number of individuals diagnosed with cannabis use disorder provides valuable insight into its broader societal effects.

The following data highlights key statistics on cannabis use and addiction.

1. How prevalent is cannabis use?

In 2021, approximately 52.5 million people (18.7% of individuals aged 12 and older) reported using cannabis within the past year.

(Source: 2021 National Survey on Drug Use and Health)

2. How many students use cannabis?

In 2022, cannabis/hashish use in the past 12 months was reported by:

  • 8.3% of 8th graders
  • 19.5% of 10th graders
  • 30.7% of 12th graders

(Source: 2022 Monitoring the Future Survey)

3. How many people have a cannabis use disorder?

An estimated 16.3 million people (5.8% of individuals aged 12 and older) were diagnosed with a cannabis use disorder in 2021.

(Source: 2021 National Survey on Drug Use and Health)



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By Boris MacKey

Boris is our editor-in-chief at Rehab 4 Addiction. Boris is an addiction expert with more than 20 years in the field.  His expertise covers a broad of topics relating to addiction, rehab and recovery. Boris is an addiction therapist and assists in the alcohol detox and rehab process. Boris has been featured on a variety of websites, including the BBC, Verywell Mind and Healthline. You can connect with Boris online at LinkedIn or X.com.