Little is known about the actual number of missing persons in the United States in any given year. In 2014 the National Missing and Unidentified Persons System (NamUs) estimated that approximately 90,000 people are missing at any one time, while data suggested that 750,000–800,000 cases are reported annually. The vast majority of cases involve children and adolescents. Because adults are far more able than children to live independently, the label of "missing" may not be assigned to cases of... więcej

Salem Press Encyclopedia, 2022. 3p.