The National Survey on Drug Use and Health is conducted annually by the Substance Abuse and Mental Health Services Administration. According to the NSDUH, in 2022:

  • 143,116,000 people in the US aged 12 or older had used an illegal drug or marijuana in their lifetimes;
  • 70,338,000 people in the US aged 12 or older had used an illegal drug or marijuana in the past year;
  • 46,603,000 people in the US aged 12 or older had used an illegal drug or marijuana in the past month.

 

In 2021:

  • 139,677,000 people in the US aged 12 and older had used an illegal drug or marijuana in their lifetimes;
  • 61,995,000 people in the US aged 12 or older had used an illegal drug or marijuana in the past year;
  • 40,564,000 people in the US aged 12 or older had used an illegal drug or marijuana in the past month.

 

NSDUH also reported that in 2022:

  • 132,296,000 people in the US aged 12 or older had used marijuana in their lifetimes;
  • 61,901,000 people in the US aged 12 or older had used marijuana in the past year;
  • 42,317,000 people in the US aged 12 or older had used marijuana in the past month.

 

In 2021:

  • 128,961,000 people in the US aged 12 or older had used marijuana in their lifetimes;
  • 53,181,000 people in the US aged 12 or older had used marijuana in the past year;
  • 36,950,000 people in the US aged 12 or older had used marijuana in the past month.

Table: Marijuana Use and Illegal Drug Use: Lifetime, Past Year, and Past Month Use by People in the US Aged 12 and Over

Source

Substance Abuse and Mental Health Services Administration. (2023). Key substance use and mental health indicators in the United States: Results from the 2022 National Survey on Drug Use and Health (HHS Publication No. PEP23-07-01-006, NSDUH Series H-58). Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration.