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How Federal Surveys Estimate the Prevalence Of Substance Use Disorders

"Illicit drug use disorder is defined as meeting DSM-IV criteria for either dependence or abuse for one or more of the following illicit drugs: marijuana, cocaine, heroin, hallucinogens, inhalants, methamphetamine, or prescription psychotherapeutic drugs that were misused (i.e., pain relievers, tranquilizers, stimulants, and sedatives). There are seven possible dependence criteria for specific illicit drugs:
"1. spent a lot of time engaging in activities related to use of the drug,
"2. used the drug in greater quantities or for a longer time than intended,

Current Marijuana and Other Illegal Substance Use and Trends in the US

"The estimated 28.6 million people aged 12 or older who were current illicit drug users in 2016 represent 10.6 percent of the population aged 12 or older (Figures 15 and 16). Stated another way, 1 in 10 individuals aged 12 or older in the United States used illicit drugs in the past month. Approximately 2.0 million adolescents aged 12 to 17 in 2016 were current users of illicit drugs, which represents 7.9 percent of adolescents. Approximately 1 in 4 young adults aged 18 to 25 (23.2 percent) were current users of illicit drugs in 2016.

Estimated Prevalence of Current Illicit Drug Use In The US By People 12 Or Older

Estimated Prevalence of Current Illicit Drug Use In The US By People 12 Or Older, by Race and Ethnicity: "In 2015, an estimated 27.1 million Americans aged 12 or older were current (past month) illicit drug users, meaning that they had used an illicit drug during the month prior to the survey interview (Figure 1). The most commonly used illicit drug in the past month was marijuana, which was used by 22.2 million people aged 12 or older. An estimated 6.4 million people reported misusing psychotherapeutic drugs in the past month, including 3.8 million people who were misusers of prescription pain relievers. Thus, the number of current misusers of pain relievers was second to marijuana among specific illicit drugs. Smaller numbers of people in 2015 were current users of the other illicit drugs shown in Figure 1.

Current Drug Use in the US by People Aged 12 and Older, by Gender

Current Drug Use in the US by People Aged 12 and Older, by Gender: "• In 2013, as in prior years, the rate of current illicit drug use among persons aged 12 or older was higher for males (11.5 percent) than for females (7.3 percent). Males were more likely than females to be current users of several different illicit drugs, including marijuana (9.7 vs. 5.6 percent), cocaine (0.8 vs. 0.4 percent), and hallucinogens (0.7 vs. 0.3 percent).