Summary

Gonion to mouth line measures the vertical position of the jaw's back corner relative to the corner of the mouth, with gonion below the mouth indicating sufficient growth for jaw volume. Niall Horan's reading is 16.24mm, inside its ideal range of 15.00 to 45.00mm, and it scores 10.0. Among the men on the wiki, 60% measure inside this range, and he is higher than 45% of them. His closest matches are Adam Brody at 16.24mm and Tiësto at 16.16mm, while the highest on the wiki is Jack Doherty at 50.00mm and the lowest is Adam Driver at -12.68mm. For more context, see Niall's Gonial Angle at 116.4°, or view Niall's full Harmony breakdown.