Summary

In FaceIQ Labs' Dimorphism analysis, Joseph Gordon-Levitt's Hairline scores 5.2. It rates hairline shape, position, and pattern. That puts Joseph higher than 20% of the men on the wiki. Among the other celebrities, Austin Dunham (5.2), Haruma Miura (5.2) and Hullo (5.2) sit closest. Abraham Lincoln has the highest, at 10.0. Among his other Hair measurements, Hair Length scores highest at 4.0 and Facial Hair lowest at 2.5. It is one of the measurements in Joseph's full Dimorphism breakdown.