While ADHD can affect both children and adults, it is an illness primarily diagnosed in childhood, with the average age of a first-time diagnosis at 7 years old. The Center for Disease Control reports that 6.1 million children have been diagnosed with ADHD in the U.S. Here are some other trends:
Gender: Boys are more likely to be diagnosed with ADHD than girls. Adult men are also more likely to be diagnosed.
Race: From 2015-2016, ADHD was most prevalent among non-Hispanic Black children(12.8%) and non-Hispanic white children (12%).
