Developed as part of the Occupational Licensing Policy Learning Consortium, the National Occupational Licensing Database offers state-by-state comparisons of licensing or certification practices for 34 occupations that 1) are regulated by at least 30 states, 2) have projected job-growth potential, 3) have an entry level of less than a four-year degree, and 4) have a national number of job holders exceeding at least 10,000.