IMPORTANCE Neonatal abstinence syndrome (NAS) has increased over the last 2 decades, but limited data exist on its association with economic conditions or clinician supply. OBJECTIVE To determine the association among long-term unemployment, clinician supply (as assessed by primary care and mental health clinician shortage areas), and rates of NAS and evaluate how associations differ based on rurality. DESIGN, SETTING, AND PARTICIPANTS Ecological time-series analysis of a retrospective, repeated cross-sectional study using outcome data from all 580 counties in Florida,