Edited sentence: A particular difficulty within this issue is the fact that sexuality is often measured on a gradient scale.A person may identify as somewhere in between gay and straight, or fluid.All of this variety within the LGBTQIA+ community alone makes it extremely difficult to pin down any kind of statistic, which is why the demographics are unclear.Another grey area is pansexuality, which is attraction based on personality rather than gender.Then there are people who are asexual, and experience no sexual or romantic attraction at all