Summary

Niall Horan measures 0.1° for the Deviation of IAA(Ipsilateral alar angle) & JFA(Jaw frontal angle) in the Harmony section, scoring 10.0 against an ideal range of 0.0 to 2.5°. Among the celebrities who measure closest are Che Guevara, Rnboi and Adam Driver, each also at 0.1°. The measurement covers the difference between Ipsilateral Alar Angle and Jaw Frontal Angle, indicating midface-jaw harmony. Among the men on the wiki, his value is among the lowest, and 30% of them measure inside the same ideal range, while Donald Trump sits at the highest end with 40.2° and Maghnes Akliouche at the lowest with 0.0°. For more, see Niall's Nose Tip Position and Niall's Nose Bridge to Nose Width, or Niall's full Harmony breakdown.