And there does seem to be a gender split: the figures for women were much lower, at 10 percent for lesbian/bi women and just 5 percent for heterosexual women. For heterosexual men the number was similar (18 percent).
That’s hard to know for sure, but 2018 study of 4000 Americans by social psychologist Dr Justin Lehmiller found 21 percent of gay/bi men had fantasised about feet.