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​National ADHD Awareness Month

A month-long awareness observance held throughout October in the United States that promotes accurate public understanding of attention-deficit/hyperactivity disorder, works to reduce stigma, and improves access to diagnosis and support.

Thursday
1–31
October 2026
Last updated February 26, 2026 · by the Holiday Calendar Team
Have an update or spot an error?
YEARLY DATEAll of October
OBSERVED INUnited States
CATEGORYAwareness
SUBCATEGORYDisability
ORIGIN

Legislative Resolution

FOUNDING ENTITY
U.S. Senate (S. Res. 370, sponsored by Sen. Maria Cantwell)
FIRST OBSERVED
2004
“The Senate designated a single day in 2004. The month of October came later, built by advocates.
HOW THE HOLIDAY CAME TO BE

It started as one day in September, not a month in October.

The U.S. Senate passed S. Res. 370 on July 6, 2004, designating September 7, 2004 as National Attention Deficit Disorder Awareness Day and recognizing AD/HD as a major public health concern. Sen. Maria Cantwell sponsored it with Sen. Richard Durbin, and the Attention Deficit Disorder Association was the sponsoring organization. That single day later grew into a week and then the full month of October, now coordinated by a coalition of CHADD, ADDA, and the ADHD Coaches Organization.

Read the Senate Resolutionvia U.S. Government Publishing Office
INTRO

The awareness month that no longer belongs to children

Say "ADHD" and most people picture a restless kid at the back of a classroom. The numbers tell a different story. A CDC survey run in late 2023 found that 15.5 million U.S. adults, about 6.0 percent, have a current ADHD diagnosis.

Here is the part that surprises people. More than half of those adults, 55.9 percent, were not diagnosed until they were grown. They spent childhood, school, sometimes a whole career, not knowing.

That gap between the stereotype and the data is the reason National ADHD Awareness Month exists. Every October, a coalition of advocacy groups uses the month to correct the picture: who ADHD affects, what it actually is, and where to get help. The observance was not born in October at all, and not as a month. It started with a single day.

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ORIGINS

​National ADHD Awareness Month history

INTRODUCTION

The month people observe now is the third version of an idea that began on the Senate floor.

CHAPTER 01

One day, by resolution

On July 6, 2004, the U.S. Senate agreed to Senate Resolution 370. It designated September 7, 2004 as National Attention Deficit Disorder Awareness Day. The resolution did not hedge about what ADHD was. It called the condition "a chronic neurobiological disorder, affecting both children and adults" and "a major public health concern," and it said the federal government had a responsibility to raise public awareness about it. Sen. Maria Cantwell of Washington sponsored the measure, with Sen. Richard Durbin signing on, and the Attention Deficit Disorder Association worked as the sponsoring organization behind it.

CHAPTER 02

From a day to a month

A single day was a start, not a finish. The observance grew into ADHD Awareness Week in 2008, and by around 2010 advocates had stretched it across all of October. The expansion was not a government act. It was advocacy filling the calendar it had been given. The month was a bigger container for the same job the day had started.

CHAPTER 03

Who carries it now

Today the month runs on a partnership rather than a proclamation. Three nonprofits, Children and Adults with ADHD, the Attention Deficit Disorder Association, and the ADHD Coaches Organization, coordinate it through a shared coalition. They prepare a toolkit each year and partner with groups well beyond the United States. The federal day lit the spark in 2004. The coalition is what keeps October burning.

WHY THIS DAY MATTERS

Why We Love National ADHD Awareness Month

STIGMA

It works to replace a caricature with facts a person can act on.

The month exists to replace a caricature with facts, so that an adult who recognizes the signs feels able to seek an assessment rather than dismiss them. The original 2004 resolution named raising public awareness as the federal responsibility it answered.

ADULTS

It speaks to people the stereotype leaves out

Because most adults with ADHD were diagnosed only in adulthood, a standing month gives clinicians, employers, and families one fixed prompt to talk about a condition that does not end at eighteen. CDC describes ADHD as one that often lasts into adulthood.

SCALE

It treats a common condition as a public matter

ADHD is one of the most common neurodevelopmental conditions, not a rare one, and the month frames it as a shared public health issue rather than a private failing. A fixed date on the calendar gives schools and workplaces something to plan around.

BY THE NUMBERS

National ADHD Awareness Month by the Numbers

7M
US children ever diagnosed (2022)
11.4%
US children 3-17 with ADHD
15% vs 8%
Boys vs girls diagnosed
6 in 10
Of ADHD cases, moderate or severe

TIMELINE

Timeline

An early clinical description

British pediatrician Sir George Still describes children with what is now recognized as ADHD-like symptoms, one of the earliest clinical accounts of the condition.

The Senate names a day

On July 6 the Senate agrees to S. Res. 370, designating September 7, 2004 as National Attention Deficit Disorder Awareness Day.

A day becomes a week

The observance expands into ADHD Awareness Week, broadening the window for education and outreach.

October becomes the month

Advocates stretch the week into a full month, and October becomes ADHD Awareness Month.

A coalition takes the wheel

CHADD, ADDA, and the ADHD Coaches Organization launch a shared site to coordinate the October campaign across organizations.

Counting the adults

A CDC survey estimates 15.5 million U.S. adults have a current ADHD diagnosis, most of them diagnosed in adulthood.

GOOD TO KNOW

Common Misconceptions

ADHD is not a real disorder, just an excuse for bad behavior.

CHADD notes that more than 10,000 clinical and scientific publications address ADHD, and brain-scan studies show developmental differences in people who have it. It is a recognized neurodevelopmental condition, not a label of convenience.

Bad parenting causes ADHD.

Research points to genetic and neurological factors as the main causes of ADHD, not parenting style. Parenting can shape how related behaviors are managed, but it does not produce the disorder.

GET INVOLVED

How to Observe National ADHD Awareness Month

EDITOR'S PICK

Learn what ADHD actually is

Read a plain-language overview from a recognized body such as the CDC or NIMH before sharing anything. Getting the basics right is the most useful thing the month asks of you.

CHALLENGE

Challenge a myth when you hear it

When someone repeats that ADHD is not real or is just bad parenting, correct it with what the research says. The month was built to replace caricature with fact, one conversation at a time.

SHARE

Share verified resources, not advice

Post the contact details for a real organization such as CHADD or ADDA rather than tips of your own. Pointing people to trained support is more helpful than any single suggestion.

TAKE

Take signs in an adult seriously

Because most adults with ADHD were diagnosed late, encourage anyone who recognizes the pattern in themselves to talk to a clinician about an assessment. Recognition is the first step toward support.

SUPPORT

Support an advocacy organization

Donate to or volunteer with a group such as CHADD or the Attention Deficit Disorder Association that works on access and stigma year round. The month is a prompt, but the need does not end on November 1.

GET INVOLVED

Resources and Support

EDITOR'S PICK

CHADD

CHADD. Children and Adults with ADHD: education, support groups, and an evidence-based information center.

CDC

CDC ADHD

CDC ADHD. Federal overview of what ADHD is, its symptoms, and current diagnosis and treatment data.

NIMH

NIMH ADHD

NIMH ADHD. National Institute of Mental Health page on ADHD, its symptoms, causes, and treatment options.

988

988 Suicide & Crisis Lifeline

988 Suicide & Crisis Lifeline. Free, confidential support 24/7 by call or text in the US; dial 988 if you or someone you know is in crisis.

Test your knowledge

How well do you know ​National ADHD Awareness Month?

1 / 7

When is National ADHD Awareness Month observed?

Answer

It is observed throughout the month of October in the United States, every year.

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