But to the nearest 0.5 is 1.5%, so it's nowhere 2%. But the statistics vBackman might be representing the percentage of people are born sexually ambiguous.
What is gender ambiguity?
Ambiguous genitalia is a rare condition in which an infant's external genitals don't appear to be clearly either male or female. In other words it is intersex.
Sources:
https://draftlessig.org/what-is-gender-ambiguous/#What_percentage_of_people_are_born_sexually_ambiguous
https://www.mayoclinic.org/diseases-conditions/ambiguous-genitalia/symptoms-causes/syc-20369273#:~:text=Overview,have%20characteristics%20of%20both%20sexes.