I started enrolling in the Apple Developer Program last Sunday. The confirmation email said I should receive a response within two business days, but it's now been five days and I still haven't heard back.
Is this normal?
Enrollment pending since 5 days
My account has been in pending state since my payment went through on 27 May, just hitting the three-week mark now. From what I can tell, this isn't uncommon.
I received an email yesterday, seven days after submitting my application. I paid the annual fee, and it looks like I can now start adding my app to the App Store.
Problem solved!