Objective: Compare the proportion of sexting in a population of adolescents and adults in Metropolitan Lima according to their sex, and describe their perception of how its frequency has affected during the COVID-19 pandemic. Material and method: Cross-sectional comparative descriptive study, with a sample made up of 175 adolescents and adults between 18 and 30 years of age who follow a Facebook page of a university in Metropolitan Lima (Peru). The instrument was a 16-item virtual questionnaire, applied during the period of social isolation due to the COVID-19 pandemic. Results: The practice of consensual sexting with more than 10 submissions is more frequent in men (14.7 to 25.3%) than in women (6.05 to 13.0%), with a significant difference in the case of sending images or videos (p = 0.026) and written messages (p = 0.033). In the case of forced sexting, although a higher gen...