24 LIBRARY USERS SPECIFIC AGE GROUPS INCLUDED IN EACH CATEGORY Young 18-35 20-34 2039 21-39 1429 21-34 2144 Middle 36-50 35-54 4049 ... 30-44 35-54 45759 Old soand ssand soand goand 4s5and s55and 6o and over over over Over over over over aAs these studies vary considerably in their classification of the age con- tinuum, it was necessary to equate them in rough terms for the purpose of this table. out, and the public library may attract relatively more users from the upper-age groups, which will have had more formal education. But, in any case, the age ratios given in Tables 6—7 do currently exist among adults. All in all, the library clientele is mainly composed of the younger age groups; about three fourths of the total users are under thirty-five. In this country the public library is today a young people’s institution. EDUCATION Another major correlate of public-library use is formal education. In every case the proportion of people registered with or actively using the library rises sharply with the level of schooling (Table 8). From 1o to 15 percent of adults having only a grade-school education are library users as compared with about four times as many of the college- educated. The sharp difference is attributable to the fact that people with more formal education read more easily, as well as to their reading habits. Those who have spent more years in a school system not only have had more training in the technique of reading but also they have come to rely more heavily on books as informational and recreational sources. For these reasons a disproportionately large number of the public library clientele are drawn from the segments of the community with the most schooling. Although this is generally true, at the same time the library clientele itself is composed of people with little, rather than much, schooling simply because there are so many more