Serhii NazarovetsA recent Journal of Informetrics study shows – There is no universal number of “too many authors.”
In some fields, 3–6 may already be unusual.
In medicine – dozens are common.
In physics – large teams are often the norm.
https://doi.org/10.1016/j.joi.2026.101803
Yes, #hyperauthorship can signal problems (e.g., honorary authorship, metric inflation). But the key question is not “how many authors?” 👉 it is: Is this abnormal for this field and time?
