Summary

Niall Horan's Jaw measurement, which describes jaw and chin definition and angularity, scores 4.6, and it sits higher than 10% of the men on the wiki. The faces that measure closest to his are Byron Woo Seok (Actor), Calvin Lee Vail (leafyishere) and Devon Bostick, each scoring 4.5. At the extremes, Ian Somerhalder reaches the highest value at 10.0, while Kim Jong un sits at the lowest, 1.0. For a wider view, see Niall's Face Shape at 4.8 and Niall's Brow Ridge at 4.2.