Age change
How can I change the age on my Apple ID it’s says I’m 13 when I’m 18 years of age
Question marked as
Note the under 13 years old restriction in the article below.
Apple ID - Update the birth date associated with.
If necessary, contact Apple ID Support for assistance. See the Apple Support articles below for contact information.
Apple ID - Official Apple Support.
Contact Apple for help with Apple ID account security - Apple Support. (Link doesn’t always load)
Get Support Work through the screens to get a chat option. You may have to pick a slightly different problem.
Apple Support schedule phone call
https://twitter.com/AppleSupport. People have posted it may take an hour or more to get a response.