Normal? Hard to say, but it's not a cause for concern in the absence of other symptoms. If you have had an otherwise normal puberty (hair growth, changing voice, etc.) then it's likely to just be one of those differences that just happens. You've probably read all about it, since you made it here, but I thought this article, while not scientific, was interesting: https://www.manscaped.com/blogs/news/why-do-men-have-an-adams-apple-and-what-does-it-do
Spoiler alert: It doesn't do much at all. Since it's related to the growth of your larynx, that would be the only concern, but you would have symptoms of laryngeal issues that would eclipse your concerns about your Adam's apple.