(Global Amphetamine-Type Stimulant Use, 2011) "Use of ATS, excluding 'ecstasy', remains widespread globally, and appears to be increasing. Although prevalence estimates are not available from Asia and Africa, experts from these regions continue to report a perceived increase in the use of ATS. While the use of ATS was already a problem in East and South-East Asia, there are reports of increasing diversion of precursor chemicals, as well as increased seizures and manufacture of methamphetamine, combined with an increase in its use.
Estimated prevalence and trends in use of various substances by young people and adults in the United States and worldwide.
(Global Prevalence of Cannabis Use) "Cannabis use has increased globally, particularly in Asia since 2009. Although epidemiological data is not available, experts from the region report a perceived increase in use. The regions with a prevalence of cannabis use that is higher than the global average continue to be West and Central Africa (12.4 per cent), Oceania (essentially Australia and New Zealand, 10.9 per cent), North America (10.7 per cent) and Western and Central Europe (7.6 per cent).
(Current Illegal Substance Use Among Adults 50-64, 2013)
" Among adults aged 50 to 64, the rate of current illicit drug use increased from 2.7 percent in 2002 to 6.0 percent in 2013. For adults aged 50 to 54, the rate increased from 3.4 percent in 2002 to 7.9 percent in 2013 (Figure 2.10). Among those aged 55 to 59, the rate of current illicit drug use increased from 1.9 percent in 2002 to 5.7 percent in 2013. Among those aged 60 to 64, the rate of current illicit drug use increased from 1.1 percent in 2003 and 2004 to 3.9 percent in 2013."
(Substance Use by Hispanic Youth in the US) "Fifty-two percent of Hispanic youth report using illicit drugs in the past year (vs. 42 percent for African-American youth and 40 percent for Caucasian teens). They are also more likely than other teens to have used prescription medicine, Ecstasy or cocaine/crack to get high.
"Marijuana use levels are of significant concern among Hispanic youth. Half of Hispanic teens report smoking marijuana in the past year (43 percent more than Caucasian teens and 25 percent more than African-American youth)."
(Sewage Testing) "Some scientists have recently turned to the sewer to develop a more accurate estimate of drug use.
(Use Unrelated to Enforcement) "Opponents of drug policy reform commonly argue that drug use would increase if health-based models were emphasized over drug law enforcement,14 but we are unaware of any research to support this position. In fact, a recent World Health Organization study demonstrated that international rates of drug use were unrelated to how vigorously drug laws were enforced, concluding that 'countries with stringent user-level illegal drug policies did not have lower levels of use than countries with liberal ones.'15"
(Progression of Drug Use Among Young Adults in Large Cities in the US) "In conclusion, patterns of prescription drug misuse among high-risk young adults in LA and NY appear to conform to and be shaped by differences in local markets for illicit drugs in each city. Our findings indicate that current misuse of prescription drugs in both cities encompasses a broad range of practices, such as sniffing, injecting, polydrug use, and drug substitution, and involves frequent misuse of illicit substances.
(US Population by Race) "In the 2010 Census, 97 percent of all respondents (299.7 million) reported only one race (see Table 1).10 The largest group reported White alone (223.6 million), accounting for 72 percent of all people living in the United States.11 The Black or African-American alone population was 38.9 million and represented 13 percent of the total population.12 There were 2.9 million respondents who indicated American Indian and Alaska Native alone (0.9 percent).
(Hispanic Population) "In 2010, there were 50.5 million Hispanics in the United States, composing 16 percent of the total population .... Between 2000 and 2010, the Hispanic population grew by 43 percent—rising from 35.3 million in 2000, when this group made up 13 percent of the total population.9 The Hispanic population increased by 15.2 million between 2000 and 2010, accounting for over half of the 27.3 million increase in the total population of the United States."