The Accuracy Of Current ADHD Statistics

Attention deficit hyperactivity disorder (ADHD) is a condition listed in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). Previously separated into ADHD, the condition now comprises three types: ADHD-PI, ADHD-HI, and ADHD “combined type.” In 2020, over 366 million adults worldwide were affected by ADHD symptoms or were diagnosed with ADHD by their healthcare provider.

ADHD prevalence has become a topic of interest, as ADHD statistics show a rise in ADHD diagnoses. Adult ADHD is also gaining attention in clinical child and adolescent psychiatry fields, as more research emerges on attention disorders and their comorbidities, such as anxiety disorder and autism spectrum disorder. Individuals interested in learning more about this condition may wonder if the current statistics on ADHD are accurate and if any new research has emerged.

How Many People Have ADHD In The US?

In 2015, the Centers for Disease Control and Prevention (CDC) came out with a report that stated that the number of adults and children with ADHD in the US was rising steadily. They reported that ADHD diagnosis had been 7.8% in 2003, 9.5% in 2007, and 11% in 2011, based on parent reported ADHD diagnosis data.

There was also a notable disparity regarding gender. In children, boys were close to three times more likely to be diagnosed with ADHD than girls, at a rate of 13.2% to 5.6%. However, women and girls may be affected more than studies suggest. Gender bias may cause women to be diagnosed less often than men in some cases.

How Credible Are The Statistics? 

Their statistics on the rising rates of ADHD are often considered credible. However, the most recent study on these statistics through their labs was from 2016-2019. 

Prevalence Of ADHD In Other Countries

There has been some thought among medical professionals going back several decades that ADHD is a more prevalent concern in the United States than elsewhere in the world. Doctors and researchers felt that cultural and societal factors in the US might be to blame for the rise in ADHD, leading to more health care provider diagnosed cases.

However, another school of thought in adolescent psychology is that ADHD is as prevalent in other parts of the world. For instance, researchers examined data on adult ADHD from the WHO World Mental Health Surveys, and the study found that the following countries diagnosed adults with ADHD more than the US:

• Brazil
• France
• Ireland

The US was noted as having a diagnostic rate of around 5.2% for adults. Children in the US are diagnosed more than in other countries, possibly due to better access to ADHD treatment, ADHD medication, and social skills training.

ADHD Seems To Be Widespread

World Psychiatry came out with a study that suggested ADHD is diagnosed in other countries. It may be more commonly diagnosed in the US due to mental health stigmas in certain cultures.

As ADHD becomes more well-known, doctors may gain more information and diagnose it more frequently.

Is ADHD Harmful? 

There are numerous ways that ADHD may manifest. Additionally, ADHD can be diagnosed in children and adults. To some, the condition is considered neurodiversity and not a disability.

However, the condition's symptoms may be distressing, confusing, or complex for those living in a society that may not be equipped to handle varying needs and experiences. 

While it is not life-threatening, ADHD affects can be impactful. Children who can't concentrate might not retain information at school and struggle to pass tests, learn new concepts, or focus on materials. Adults might have a difficult time holding down jobs or focusing on work. They may have issues with their self-esteem or experience co-occurring conditions like substance use disorder or anxiety. 

Although these symptoms can be distressing, ADHD is treatable in many cases, and assistive technology could benefit those who hope to adapt their environment to fit their needs. Additionally, accommodations are often available at work and in educational settings within the US and some other countries.

What Causes ADHD?

While ADHD research continues to discuss what might cause ADHD, several factors could play a role. One study shows that ADHD has a hereditary rate of 74% or more, meaning parents may be likely to pass it on to their children.

Children might also develop ADHD symptoms from lifestyle or differing needs. In a fast-paced environment, attention span could be lessened, especially as short-form video content and social media become more popular. 

The CDC reports that factors influencing ADHD could include: 

• Brain injury
• Exposure to lead
• Alcohol or tobacco use during pregnancy
• Premature delivery or low birth weight