It's very much a non-issue though isn't it. It's based on two unlikely and scarcely credible assumptions. The first is that there are so many trans people the numbers could skew the figures, the second is that all those trans people would choose to state their chosen gender as their birth sex. Firstly the number is so small it will have little effect and secondly only a small number of trans people will not disclose their birth sex. But it's keeping the legal profession in the money!!
How to Keep Living at Home Longer


