Summary

Jeffrey Dean Morgan measures 0.49x on the Ramus to Mandible Ratio, scoring 5.6, which sits below its ideal range of 0.62 to 0.75x and among the lowest of the men on the wiki. The ratio examines the balance between the vertical ramus and horizontal mandible lengths for overall jaw harmony, and proportional lengths contribute to greater jaw volume and attractiveness. His closest matches are Alex Costa at 0.49x and Jack Ma and John F. Kennedy Jr., both at 0.50x. At the ends of the range, Rodrigo Guirao sits highest at 0.90x and Adam Driver lowest at 0.35x. For more context, see Jeffrey's Mandibular Plane Angle and Jeffrey's Recession relative to frankfort plane.