CDC data reveals 15.5 million U.S. adults—roughly 6%—have an ADHD diagnosis....

https://bizzmarkblog.com/why-you-cant-get-your-stimulant-prescription-filled-its-not-just-you/

CDC data reveals 15.5 million U.S. adults—roughly 6%—have an ADHD diagnosis. Care is often inconsistent, with many patients diagnosed late in life. Logistical hurdles are common, as 71.5% report refill difficulties and about half rely on telehealth.