> They also ask for height, weight, hair/eye color, and race. My passport doesn't ask for or display height or weight, and only gets hair/eye colour and race i

> They also ask for height, weight, hair/eye color, and race. My passport doesn't ask for or display height or weight, and only gets hair/eye colour and race implicitly from the photograph. I'd have a lot of trouble if my passport recorded hair colour in written form rather than a mediocre photo, given it changes naturally all by itself between black in winter and (dark, but definitely) brown in summer. Also my eyes are on an awkward three-way boundary between blue, green, and grey. > If someone had to identify your dead body, it would be critical to know your sex. When, if ever, was that true? Teeth records, finger prints, and/or DNA. > If there is really a need for it, add an intersex category Intersex was added. As per the linked article: Non-Binary Passport Designations: Passports issued with “X” or other non-binary markers will be rejected by CBP systems, requiring resubmission with valid documentation showing “M” or “F” designation. > and stipulate that you must actually be the biological sex that you register with. 1. Why? 2. Also, when you say "biological" sex, are you using the chromosomal definition, the anatomical definition, or "what you were assigned at birth" which a non-trivial number discover at puberty wasn't either of the other two?