Back when the ladies of Sex and The City discussed anal sex, it shocked audiences. But since then butt play has been shown on Girls , hinted at on The Mindy Project , and rapped about by Nicki Minaj —to name just a few pop culture references. The stats seem to support this theory: Between and only about 9 percent of women and men reported having entered through the back door within the previous three months. Heterosexual anal sexuality and anal sex behaviors: a review. Journal of sex research, , Jun. Today more than 20 percent of women ages 20 to 39 and men ages 25 to 49 report having had anal sex in the last year.