36: Percentage of Americans ages 18-29 who have at least one tattoo

24: Percentage 18-50 who have at least one tattoo

15: Percentage 18-50 with a piercing other than their ear

32: Percentage 18-29 with a piercing other than their ear

80: Percentage of women at the University of Florida with a piercing

Sources: Journal of the American Academy of Dermatology, University of Florida research