The prevalence of migraine varies as a function of age. Migraine is a disorder that is most
prevalent between the ages of 25 and 55. Part of the reason the condition has such a big
impact in the workplace is that it affects people during their peak productive years.
At prepubertal ages, the rate of onset for migraine is actually a little bit higher in boys than
in girls, but at all postpubertal ages, the incidence is higher in girls than in boys. The
incidence of migraines without aura peaks around age 12 in boys and age 15 in girls.
Although half of all migraine onsets begin before the age of 20, migraine can begin at age