One sensual encounter per week is virtually steadfast with the current average. However, our increasingly diligent lives may be getting in the way of having more sex. Compared to the frequency of making love in the 1990s, adults in 2010 were having coition nine fewer times per year.14 Ordinarily Sexual Frequency Mean adult: 54 times per year (about post-haste per week) Adults in their 20s: Everywhere 80 times per year Adults in their 60s: 20 times per year