prevalence

Prevalence of Past-Month Use of Various Drugs in England and Wales Among People Aged 16 to 59

"• Around one in 25 adults (4.0%) aged 16 to 59 said they had taken a drug in the last month. This equates to around 1.3 million people. The proportion is similar to the previous year (4.3% in the 2015/16 CSEW) and is statistically significantly lower than those observed a decade ago in the 2006/07 survey (6.0%) and when CSEW measurements began in 1996 (6.7%) (Appendix Tables 1.03 and 1.04; Figure 1.5).

Changes in Lifetime Prevalence of Substance Use in Portugal, 2007 to 2012

"Between 2007 and 2012 in the set of the Portuguese population there was a general decrease in lifetime prevalence6 (any illicit drug from 12% to 9.5%) and recent use (any illicit drug from 3.7% to 2.7%), with the exception of ecstasy and LSD, whose lifetime prevalence remained the same and LSD use in last 12 months increased slightly.

Estimated Number of Current Drug Users in Sweden

"Two per cent of the men and 0.9 per cent of the women reported some type of illicit drug use in the past 30 days, corresponding to approximately 53,000 men and 24,000 women or a total of 77,000 people. Adding to this the 50,000 people who in the past 30 days had used prescription medicine without a doctor’s prescription, the total figure increases to 127,000 people. The population study indicates that the highest proportion of regular drug use is found among young men between the ages of 15 to 24, while the highest proportion among women is observed in the ages of 25 to 34.

Estimated Prevalence of Past-Year Illicit Substance Use in Sweden

"In 2013, an additional cross-sectional study of drug use was conducted in a nationally representative sample of the population in Sweden (Ramstedt, 2014). A total of 15,576 individuals (59.3% of the total sample) participated in the study and 10.5% reported that they had used an illicit drug or used some prescription medication in a non-prescribed way during the past 12 months. In this study, cocaine and amphetamines were the most common illicit substance reported after cannabis.

Drug Use by Young People in the US and Nations in the European Union

"On average, 7% of the ESPAD students stated that they had used marijuana or hashish during the past 30 days. As a proportion of the group reporting lifetime use, this corresponds to roughly four in ten. The highest rates of past-30-days cannabis use are found in the two neighbouring countries of France and Monaco (24% and 21%, respectively), followed by the United States (not an ESPAD country) (18 %) and the Czech Republic and Spain (not an ESPAD country) (15% each).

Prevalence of Inhalant Use Among US Youth

"Inhalants rank second among the illicit drugs in lifetime prevalence for 8th graders (8.9%) and third for 10th graders (6.1%); but they rank seventh for 12th graders (4.9%). Inhalants also rank second-highest in 30-day prevalence among the illicit drugs for 8th (2.1%) and third (1.1%) among 10th graders, but they rank much lower for 12th graders (0.8%). Note that the youngest respondents report the highest levels of use; this is the only class of drugs for which current use declines with age during adolescence.3"

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

"In 2018, an estimated 164.8 million people aged 12 or older used a substance (i.e., tobacco, alcohol, or an illicit drug) in the past month (Figure 1). This number of current substance users corresponds to 60.2 percent of the population. About 2 out of 5 people aged 12 or older (108.9 million, or 39.8 percent) did not use substances in the past month. The 164.8 million current substance users in 2018 include 139.8 million people who drank alcohol, 58.8 million people who used a tobacco product, and 31.9 million people who used an illicit drug (2018 DT 7.3).

Prevalence of Illegal Drug Use in the US Among People Aged 12 or Older

"In 2018, nearly 1 in 5 people aged 12 or older (19.4 percent) used an illicit drug in the past year, which is a higher percentage than in 2015 and 2016. The estimate of past year illicit drug use for 2018 was driven primarily by marijuana use, with 43.5 million past year marijuana users. The percentage of people aged 12 or older in 2018 who used marijuana in the past year (15.9 percent) was higher than the percentages in 2002 to 2017.

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