What the treatment gap means

A treatment gap exists when many people who could benefit from substance-use care do not receive it. It is a population-level measure, not a judgment about any individual. People may want help but face cost, transportation, waitlists, work schedules, caregiving, privacy concerns, stigma, or a shortage of clinically appropriate services.

Treatment need is also not always obvious. A person may not identify with the word “addiction,” may be ambivalent about change, or may have been turned away from a program that could not meet medical or mental-health needs. Better access means offering care that is timely, respectful, evidence-informed, and matched to the person.

What the 2024 data show

SAMHSA reported that among people age 12 and older classified as needing substance-use treatment in 2024, about 19.3%, or 10.2 million people, received substance-use treatment during the past year. SAMHSA also reported that 17.0% of people with past-year opioid use disorder received medications for opioid use disorder. [1]

These figures come from a national survey and definitions matter. They do not measure every form of support, every informal recovery resource, or the quality of care received. They do show that many people who need treatment remain outside formal services.

Why people may not enter care

Some people do not recognize symptoms as a health concern. Others fear judgment, job consequences, child-custody consequences, immigration consequences, or loss of privacy. Some cannot take time away from work or caregiving. Others encounter insurance restrictions, limited transportation, long waitlists, or programs that do not accommodate co-occurring mental-health conditions.

The first conversation should focus on what the person needs now: safety, withdrawal support, medication evaluation, a private assessment, transportation, family involvement, or a step-down plan. A person does not need to have every answer before asking for help.

How treatment systems can reduce barriers

Programs can reduce friction by offering same-day assessments when possible, clear explanations of cost and confidentiality, multiple levels of care, medication access, telehealth when appropriate, family education, and discharge planning that begins early. NIDA emphasizes that treatment should be tailored to medical, mental, social, occupational, family, and legal needs. [3]

At an individual level, readers can review Wellbrook’s information about whether insurance covers rehab, confidential treatment, and levels of care].

A practical first step

Write down the substance or behavior causing concern, recent changes, medications, medical conditions, previous treatment, and the kind of support available at home. Call a treatment provider and ask what happens during the first assessment, whether medical detox is available, what insurance information is needed, and what happens if the person is not ready for residential care.

Contact Wellbrook’s admissions team for treatment questions. For an emergency such as overdose, severe withdrawal, chest pain, seizure, or inability to stay safe, call 911.

Frequently Asked Questions

What is the substance-use treatment gap?

It is the difference between the number of people who need substance-use treatment and the number who receive it during a defined period.

How large was the gap in 2024?

SAMHSA reported that about 19.3%, or 10.2 million people, among those classified as needing substance-use treatment received it in the past year.

Why do people delay treatment?

Barriers can include cost, insurance, transportation, waitlists, stigma, privacy concerns, caregiving, work, housing, and uncertainty about what treatment involves.