In 2009, over one million Americans confirmed that they had consumed methamphetamine at least once a year prior to the survey. By the time they graduate from high school, more than two percent of American students say that they used methamphetamine. The United Nations reports that there are 14 million consumers of amphetamine-type stimulants (ATS) worldwide, more than half of whom reside in East and Southeast Asia.

https://recoverypartnernetwork.com/drug/illicit/meth-addiction/