"If all prisoners are counted (including those juvenile, territorial, U.S. Immigration and Customs Enforcement (ICE) (immigration detention), Indian country, and military), then in 2008 the United States had around 24.7% of the world's 9.8 million prisoners."
"About one-quarter of U.S. adults report having a mental health diagnosis such as anxiety or depression or experiencing emotional distress. This is one of the highest rates among 11 high-income countries.
...
The United States has some of the worst mental health–related outcomes, including the highest suicide rate and second-highest drug-related death rate."
--https://en.wikipedia.org/wiki/United_States_incarceration_ra...
The list of countries by incarceration rate is at https://en.wikipedia.org/wiki/List_of_countries_by_incarcera....
About 5% of people in the US go to prison at some point, 9% for males, 16% for Hispanic males, and 29% for black males. https://bjs.ojp.gov/content/pub/pdf/Llgsfp.pdf
"About one-quarter of U.S. adults report having a mental health diagnosis such as anxiety or depression or experiencing emotional distress. This is one of the highest rates among 11 high-income countries. ... The United States has some of the worst mental health–related outcomes, including the highest suicide rate and second-highest drug-related death rate."
--https://www.commonwealthfund.org/publications/issue-briefs/2...
And of course, "Approximately 80 percent of the global opioid supply is consumed in the United States".
-- https://www.cnbc.com/2016/04/27/americans-consume-almost-all...