"Nationwide, 4.8% of students had used any form of cocaine (e.g., powder, crack,†† or freebase§§) one or more times during their life (Supplementary Table 114).
"In 2018, an estimated 5.5 million people aged 12 or older were past year users of cocaine (Figure 10), including about 757,000 users of crack. Stated another way, about 2.0 percent of the population in 2018 used cocaine (Figure 13), and 0.3 percent used crack (2018 DT 7.2).
(Estimated Global Prevalence of Cocaine Use) "Cocaine use remained stable over 2012, with 14 million-21 million estimated past-year users globally (0.4 per cent annual prevalence). Cocaine use remained high in North and South America (1.8 per cent and 1.2 per cent annual prevalence rates, respectively), Oceania (1.5 per cent) and Western and Central Europe (1 per cent).
(Community Epidemiology Working Group Assessment of Cocaine Use and Availability in the US, 2013) "Cocaine continued to be reported as a drug of concern in CEWG areas in all four regions of the United States. The impact of cocaine abuse continued to be reported by area representatives as high in Baltimore/Maryland/Washington, DC; Boston; Chicago; New York City; Philadelphia; and the South Florida/Miami-Dade and Broward Counties area. However, the decline in cocaine indicators reported at recent CEWG meetings continued to be observed by many area representatives.
(Prevalence of Crack Use in Spain 2011) "For base cocaine (crack), prevalence levels are similar to those of 2009, the year which marked a turnaround in the rise which had been being seen and which reached its highest peak in 2007 (1.8% for some time in their lives; 0,5% within the last 12 months and 0.3% within the last 30 days).
(Prevalence of Cocaine Use in Spain 2011) "Among the illicit psychoactive substances, cocaine in general (powder and/or base) is the substance showing the second highest prevalence of use in Spain, after cannabis, among the individuals within the 15-64 age range.
(Alternate Definition and Estimate of Prevalence of Problem Cocaine Use in Spain 2011) "In addition to the length of continuous use, from the Public Health standpoint, it also seems important to take into consideration the cases of use at very young ages.
(Definition and Prevalence of Problem Cocaine Use in Spain, 2011) "It is complicated to decide what criteria to use for considering a pattern of cocaine use to be a case of problem use solely by virtue of the characteristics thereof, given that it is well known that very different types of combinations among the intensity of use at each given time, the frequency with which used, the age at which used, the other psychoactive substances with which cocaine is combined and the different underlying disorders of those who use cocaine can cause problems for cocaine users.
(Prevalence of Cocaine Use by Age) "The proportion of 15-64 year-olds who have used cocaine at least once has significantly increased three-fold in 15 years, from 1.2% in 1995 to 3.6% in 2010. It increased by a third between the last two Health Barometer surveys. Use in the previous year almost doubled between 2005 and 2010 among 15-64 year-olds, from 0.5% in 2005 to 0.9% in 2010 (Table 2.2), a statistically significant increase. First time use usually takes place at the average age of 23.1 years.
(Cocaine Use and Health) "In 2010, there appeared to be a relationship between a person’s cocaine use and his or her mental health, psychological distress (see Glossary for definition of the Kessler Psychological Distress Scale) and body mass index (Table 9.7). In addition: