New data collected during the 2009 National Survey on Drug Use and Health suggests that roughly one in every five adult Americans suffered from mental illness in 2009.
The study was carried out by the Substance Abuse and Mental Health Services Administration (SAMHSA), which surveyed 67,500 adults over the course of the year.
It was discovered that of the 45 million Americans who suffered from mental illness last year, 11 million suffered serious illness and 8.4 million contemplated suicide. About 20 percent of all mental illness patients also reported a dependency on drugs or alcohol, with that number increasing to 25.7 percent for the severe cases.
"Too many Americans are not getting the help they need and opportunities to prevent and intervene early are being missed," SAMHSA Administrator Pamela S. Hyde said in an agency news release.
"The consequences for individuals, families and communities can be devastating. If left untreated mental illnesses can result in disability, substance abuse, suicides, lost productivity, and family discord. Through health care reform and the Mental Health Parity and Addiction Equity Act we can help far more people get needed treatment for behavioral health problems," she stated.
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June 05, 2026 16:18 ET A busy week for economic news flow saw a slew of reports being released that reflected the trends in the U.S. labor market. In Europe, economic growth and inflation data gained attention as the European Central Bank and Bank of England head for policy session later in the month. In Asia, the monetary policy session of the Indian central bank was in focus as the country, a major oil importer, reels under the pressures of a weaker rupee and rising inflation.