How many real friends do y’all have?

So I’m 20 (F) and at this point of my life, I feel like I only have one true best friend. Sure I have a couple of other friends & acquaintances here and there that I met at university and at work, but I wouldn’t see myself hanging out with them outside of that setting. Is it normal?

(Edit: I feel much less lonely after reading all of your comments. Thanks for sharing guys. Wishing you all the best <3)