According to recent surveys, a significant percentage of smartphone users have taken naked selfies. In a survey conducted by OnePoll, about one-third of people have sent a naked photo to others. The survey also found that 79% of respondents keep their own photos on their personal devices, while 82% of respondents have sent naked photos to others.
Another survey conducted by the Pew Research Center found that 82% of US adults aged 18 to 29 have taken a selfie, while 55% of those aged 30 to 49 and 24% of those aged 50 to 64 have done so. However, the survey did not specify the percentage of respondents who have taken naked selfies.
It's worth noting that the prevalence of naked selfies may vary depending on age, gender, and cultural factors. For example, a survey conducted by the dating app Hinge found that 72% of women and 82% of men aged 18 to 30 have sent naked photos to their partners.
Overall, while there is no definitive answer to the question of what percentage of smartphone users have taken naked selfies, it appears to be a significant percentage, particularly among younger age groups.