Objective: Suicidal thoughts and behaviors (STB) constitute high public health concerns. Understanding the longitudinal trajectories of STB from adolescence to adulthood as a function of sex, ancestry, and genetic liability would improve our knowledge and the design of population-based prevention/intervention. Methods: We used data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) and included participants of European (EA, N = 4,905) and
