Followers are the main factor of Facebook. On Facebook, when you follow someone on Facebook and they accept their request, you became their friend, automatically. If you want to know how to see who follows you on Facebook on your iPhone, here are the steps to do it: 

1. Open your iPhone and log into your Facebook account.
2. Then you need to click on your image to go to your profile.
3. Then you need to click on the “Edit Public details” beneath the “Details“.
4. Now, tap on the “Edit Your About Info” link. 
5. Scroll down to see your followers list. 

6. If you want to see a complete list, click on “See All”.