Background: Currently, sex identification based on sternum measurement is accomplished either by directly measuring dried sternums from cadavers or by indirectly measuring pictures obtained from chest radiography. Objective: The aim of the current work was to obtain an accurate estimation of sex in the forensic identification process by sternal measurements using digital X-ray versus multi-slice CT (MSCT). Subjects and methods: This cross-sectional comparative study included a total of 116 Libyan populations stated in Tripoli (58 males and 58 females) and conducted at