| Sexual Activity | Average Frequency in Prior Month for Men | Average Frequency in Prior Month for Women |
| Penile–vaginal intercourse | 5.2 | 4.8 |
| Oral sex | 2.3 | 1.9 |
| Anal sex | 0.10 | 0.08 |
| Masturbation | 4.5 | 1.5 |
| How often do people engage in different types of sexual activity? Here are the monthly averages for adult men and women (the average age being 41). Keep in mind that significant variation exists around these averages. | ||
| SOURCE: BRODY AND COSTA (2009), TABLE 1, P. 1950. | ||