In this post, I analyze data from the past four waves of the NSFG, spanning the years 2011 to 2019, exploring both year-long celibacy for men and women, and longer intervals of sexlessness for women.1 These data are compared to the more familiar estimates from the GSS. Year-long celibacy is defined as the absence of any oral, anal, or vaginal contact and therefore extends to both same-sex and opposite-sex encounters. Data limitations relegate the measurement of long-term celibacy to the incid...