Self-declaration
Also called: entering a date of birth, age gate tick box.
What it collects
A date of birth or a confirmation that you are over 18, typed in by you.
No service on this site is recorded as relying on self-declaration for an age-gated feature; it is listed so the term is defined.
What Ofcom says
Ofcom's January 2025 guidance states that self-declaration is not capable of being highly effective. The ICO's February 2026 decision against Reddit found that relying on users to declare their own age was not enough where children may be at risk. Ofcom
Not capable of being highly effective
Services in the index that offer it
No service in the index currently records this method.