An ADL, or activity of daily living, is a basic self-care task that a person performs every day, like bathing, getting dressed, or eating. Healthcare providers, insurers, and social workers use ADLs as a standard measure of how independently someone can function. The concept matters most when determining what level of care a person needs and what benefits they qualify for.
The Six Basic ADLs
There are six widely recognized basic activities of daily living:
- Bathing and personal hygiene: showering or bathing, brushing teeth, grooming, and caring for hair and nails
- Dressing: choosing appropriate clothing and putting it on
- Eating: feeding yourself once food is prepared
- Toileting: getting to and from the toilet, using it, and cleaning up afterward
- Continence: controlling bladder and bowel function
- Walking and transferring: moving from one position to another, such as getting out of bed and into a chair, and walking independently
These six tasks represent the most fundamental things a person needs to do to take care of themselves. Losing the ability to perform even one or two of them typically signals a significant change in someone’s independence and often triggers a conversation about additional support at home or a move to a care facility.
Instrumental ADLs: The Next Level Up
Beyond the six basic ADLs, there’s a second category called instrumental activities of daily living (IADLs). These are more complex skills that allow a person to live independently in the community. The standard list includes eight tasks: using a telephone, shopping, preparing food, housekeeping, doing laundry, managing transportation, taking medications correctly, and handling finances.
IADLs require more cognitive ability than basic ADLs. Someone might be perfectly capable of dressing and feeding themselves but struggle to manage a bank account or remember to take medications on schedule. IADL difficulties often show up earlier than basic ADL problems, making them a useful early indicator that someone’s independence is starting to decline. Among adults 75 and older, roughly 19% need help with at least one IADL, compared to about 11% who need help with basic ADLs.
How ADLs Are Measured
The most widely used tool for measuring basic ADLs is the Katz Index of Independence. It evaluates all six basic ADLs with simple yes-or-no questions: can the person perform each task independently, or not? A perfect score of 6 means full function. A score of 3 to 5 indicates moderate impairment, and 2 or below signals severe impairment.
For instrumental ADLs, the Lawton Scale evaluates all eight IADL domains. Both tools are quick to administer and give healthcare providers a snapshot of someone’s functional status. They’re used in hospitals, rehabilitation centers, and doctor’s offices to track whether a person is improving, stable, or declining over time.
Why ADLs Matter for Insurance and Care Decisions
ADLs aren’t just a clinical concept. They directly affect what kind of care you can access and what insurance will cover. Most long-term care insurance policies begin paying benefits when a person needs help with two or more of the six basic ADLs, or when they have a cognitive impairment like dementia. This “benefit trigger” is standard across the industry.
ADL limitations also help determine the appropriate level of residential care. Assisted living facilities serve people who need help with daily care but can still maintain some independence. Residents typically live in their own apartments and receive assistance with meals, personal care, medications, housekeeping, and laundry. Nursing homes, also called skilled nursing facilities, provide a higher level of medical care along with 24-hour supervision, and are designed for people who need more extensive help than assisted living can offer, including rehabilitation services like physical and occupational therapy.
Medicaid eligibility for long-term care services also hinges on ADL assessments. The number of ADLs a person struggles with helps determine whether they qualify for home health aides, adult day programs, or nursing home placement.
How Occupational Therapy Helps
When someone loses the ability to perform ADLs, whether from a stroke, a progressive condition like multiple sclerosis, an injury, or aging, occupational therapists are the specialists who help them regain or maintain those skills. Their approach varies depending on the situation. Sometimes the goal is restoring function through targeted exercises or retraining. Other times it’s modifying how a task gets done, using adaptive equipment like long-handled sponges, button hooks, or grab bars to make the activity possible again.
For people with conditions that cause ongoing decline, occupational therapists focus on maintaining current abilities as long as possible and preventing further loss. This might include fall-prevention strategies, pelvic floor exercises for toileting difficulties, or cognitive exercises to support the planning skills needed for IADLs. The overall goal is always to keep a person as independent as possible in the tasks that matter most to their daily life.
Who Needs ADL Help and When
ADL limitations aren’t exclusive to older adults, though the need increases sharply with age. Anyone recovering from surgery, managing a disability, or living with a chronic illness can experience difficulty with basic self-care tasks. That said, age is the strongest predictor. CDC data from 2014 showed that ADL limitations rise steadily across age groups, with adults 75 and older being the most likely to need another person’s help with personal care.
ADL decline doesn’t always happen suddenly. More often, it’s gradual. A person might start needing a little extra time to get dressed, or they might begin skipping showers because it feels unsafe standing in the tub. These small changes are worth paying attention to, because they often precede bigger shifts in independence and can guide decisions about what kind of support to put in place before a crisis happens.