20 LIBRARY USERS public library registration and almost half of the public library circulation. The “juvenile” category 15 generally defined in public library records at about the fifteen-year age level and below, and “juvenile circulation” in terms of books with- TABLE 5 “JuveNiLes” (UNDER FIFTEEN) IN THE POPULATION, IN REGISTRATION FOR PuBLIC LIBRARY SERVICE AND IN PusLic LiBrary CircuLATION, BY SizE oF CiTy* Percentage Percentage of Percentage of of Population Registration Circulation under 1§ Which Is Which Is Size of City over § Juvenile Juvenile® 25,000—3 5,000 17 28 39 35,000—50,000 16 36 46 50,000—100,000 14 30 43 100,000—2 50,000 16 32 42 250,000 and over 15 37 45 Total (approximate) 16 33 43 *Constructed from census data and from Public Library Statistics, 1944—45, issued by the Library Service Division, U.S. Office of Education. *This figure may be high because of the absence of some adults (in the armed services) during this period. In the similar statistics assembled in 1938-39, juvenile circulation was 36 percent of the total circulation. drawn from the children’s room. If the child-youth group were defined as everyone below voting age, it would probably account for about half the registration and perhaps 6o percent of the circulation.® This “loading” of young people in the li- brary clientele, though it may vary somewhat from commu- nity to community, is generally applicable throughout the country and greatly affects the use of the library. The young constitute a major segment of the “library population”; about half of public library service goes to them. This condition, of course, depends particularly on the status of the school libraries in a local community and on the arrangement between them and the public library for service to children and youth.