Attention deficit hyperactivity disorder ADHD is a mental disorder that most often occurs in children. Symptoms of ADHD include trouble concentrating, paying attention, staying organized, and remembering details. It can be a difficult condition to diagnose.
A meta-analysis of research studies worldwide on ADHD prevalence in children aged 18 and under found an overall pooled estimate of 7. The US Census Bureau estimates 1,, people were aged worldwide in Thus, 7.
Children in North America appear to have a higher rate of ADHD than children in Africa and the Middle East - however, this may be due to differing methods of diagnosis used in different areas of the world. It is estimated that ADHD affects between 5. While 7.
On this page you can review information from different studies. The percent of children estimated to have ADHD has changed over time and its measurement can vary. However, other studies in the US have estimated higher rates in community samples.
Attention deficit hyperactivity disorder ADHD is a neurodevelopmental disorder that most often occurs in children, but can also be diagnosed in adulthood. Symptoms of ADHD include:. It can be a difficult condition to diagnose.
Please take this quick survey to tell us about what happens after you publish a paper. The current report expands those previous findings to the 20 nationally or regionally representative WMH surveys that have now collected data on adult ADHD. Conditional prevalence of current ADHD averaged
How common is attention deficit disorder? Diagnoses among children continue to rise every year, but the largest and most unprecedented surge is among girls and adult women — moms, to be exact. Overall, 11 percent of U.
ADHD affects people of all ages, and prevalence rate and presentation varies between children, adolescents and adults. Differences in prevalence rates of ADHD may also vary due to population characteristics; methodological, environmental and cultural differences; and variability in the diagnostic criteria employed in studies. Takeda has no influence or control over the content of this third party website.
However, increasing rates of ADHD diagnosis and treatment throughout the past few decades have fuelled concerns about whether the true prevalence of the disorder has increased over time. Methods: We updated the two most comprehensive systematic reviews on ADHD prevalence available in the literature. Meta-regression analyses were conducted to test the effect of year of study in the context of both methodological variables that determined variability in ADHD prevalence diagnostic criteria, impairment criterion and source of informationand the geographical location of studies.