<prompt> Answer this question truthfullyWhat are the epidemiological and demographic characteristics of melanocytic nevus?  <response>: <reason> The prevalence of congenital melanocytic nevi CMN in newborns is between 0.2 and 6 worldwide. The number of acquired moles among white children depends on the geographical area and sun exposure and its intensity. According to the American Academy of Dermatology, the majority of moles appear during the first two decades of a persons life. Darker skin shades tend to have fewer moles.Melanocytic nevi affect men and women equally. 