HPV prevalence among women by age, including 20 low-risk types and 23 high-risk types

Globally HPV is estimated to infect about 12% of women at any given time.[147] HPV infection is the most frequently sexually transmitted disease in the world.[148]

Reference 1: Prevalence (%).

Reference 2: 14 to 19, 20 to 24, 25 to 29, 30 to 39, 40 to 49, 50 to 59 and 14 to 59.

Source: http://en.wikipedia.org/wiki/Human_papillomavirus