True incidence and prevalence of keloid in United States is not known. Indeed, there has never been a population study to assess the epidemiology of this disorder. In his 2001 publication, Marneros  stated that “reported incidence of keloids in the general population ranges from a high of 16% among the adults in Zaire to a low of % in England,” quoting from Bloom’s 1956 publication on heredity of keloids.  We do however know, from clinical observations that the disorder is more common among Africans, African Americans and Asians with unreliable and very wide estimated prevalence rates ranging from -16%.   Thorough and scientific population and epidemiology studies of this disorder are desperately needed.