This question seems to be answered quite differently depending on who you ask. However, my standpoint is that non-binary people are transgender.
If we look at the definition for “transgender,” it says a trans person is “a person whose sense of personal identity and gender does not correspond with their birth sex.” Non-binary people’s genders are obviously different than their birth sexes (unless you’re intersex and you consider that your gender).
Also, believing that you have to go from one binary gender to the other to be transgender seems like a form of gatekeeping. Gatekeeping is most certainly what you don’t want to be doing, as there are countless blog posts showing.
Judging by the fact that the definition doesn’t place this restriction of binary genders on being trans, one can tell that yes, non-binary people are transgender.
I would love to hear your comments, thoughts, experiences, suggestions, etc. in the comments section below. I’m Ari, they/them.