Edit: just realized the drug death count is only for ODs, so the overlap wouldn't be significant.
[1]: https://www.nytimes.com/2017/02/15/business/highway-traffic-...
The US consumes about 99% of the world supply of hydrocodone. https://www.washingtonpost.com/news/wonk/wp/2017/03/15/ameri...
These figures are old (2015), but eye-opening.
http://www.painpolicy.wisc.edu/who-regional-office-americas-...
http://www.painpolicy.wisc.edu/sites/default/files/sites/www...
http://www.painpolicy.wisc.edu/sites/default/files/sites/www...
Here's EURO
http://www.painpolicy.wisc.edu/sites/default/files/sites/www...
http://www.painpolicy.wisc.edu/sites/default/files/sites/www...
You can use that site to compare regions. http://www.painpolicy.wisc.edu/explore-data