Study published in BMJ Global Health estimates that one billion people ages 12-34 who use ear buds are at risk of hearing loss because of prolonged exposure to ~80 dB volume levels.

Medical Mythbusting Commentary for November 17, 2022

Source:
Half of World’s Young People at Risk for Hearing Loss: Study

Reference:
Prevalence and global estimates of unsafe listening practices in adolescents and young adults: a systematic review and meta-analysis

What Noises Cause Hearing Loss?