I would be interested in having some stats by education level and profession. From my current personal experience as a CS student, I would say it is easily above 50%.
https://www.theatlantic.com/national/archive/2013/09/harvard...
https://thetech.com/2009/10/30/survey-v129-n49
Perhaps conforming to stereotype, apparently at MIT 42% of students overall are virgins while at fraternities this rate was 20%.