24 Association of Research Libraries Research Library Issues 295 — 2018 for job categories can be measured by comparing a job’s percentage of new hires to its percentage of the overall population. For example, if a job’s percent of new hires were significantly lower than its percent of population, we’d conclude that demand for that specialization is weak. Figure 7 presents the 21 job categories from 2015, sorted from high demand to low. Figure 7 Prospects for near-term demand for each job category can be inferred from the relative concentration of individuals in the retirement-prone 60+ age cohort. Figure 8 presents the jobs with either an unusually high or an unusually low percentage of individuals in the 60+ age cohort.