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In these lab tests, the mean absolute error was less than 2 years for ages 11 to 20. The testers called this good performance for commercial systems used in retail. In school tests, the testers found acceptable accuracy, but more than 20% of students within 2 to 3 years below each gate passed it. In the lab, 25% to 36% of 18- to 20-year-olds would have needed a further verification step at an 18+ gate. The testers found slightly less consistent results for darker skin tones. They rated the product at technology readiness level 8, below Persona's own rating of 9, and wrote that further validation is needed. 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The Age Check Certification Scheme ran it and tested Persona's facial age estimation from 7 April to 24 June 2025. The testers sent more than 1,100 selfie portraits, plus images from schools, to Persona's system and compared its estimates with true ages. In these lab tests, the mean absolute error was less than 2 years for ages 11 to 20. The testers called this good performance for commercial systems used in retail. In school tests, the testers found acceptable accuracy, but more than 20% of students within 2 to 3 years below each gate passed it. In the lab, 25% to 36% of 18- to 20-year-olds would have needed a further verification step at an 18+ gate. The testers found slightly less consistent results for darker skin tones. They rated the product at technology readiness level 8, below Persona's own rating of 9, and wrote that further validation is needed. No mystery shopper tests were run.","replication":{"produced_by":["The testers sent face images to Persona's system and compared each estimated age with the subject's true age.","They checked the results at 13+, 16+ and 18+ age gates, in the lab and in schools."],"must_hold":["A buffer of at least 2 to 3 years above the gate age is needed for reliable age gating.","Users close to an age gate need a further age verification step."],"echoes":[]}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["account","replication"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"}},"summary":{"total":91,"addressed":91,"known":27,"reviewed":2,"reviewed_complete":2,"reviewed_partial":0,"record_mapped":25,"review_not_assessed":64,"not_assessed":0,"complete":false,"by_state":{"value_present":27,"not_reported":0,"unresolved":64,"not_assessed":0,"not_applicable":0,"withheld":0,"source_unavailable":0}}},"presentation_version":"0c1543f41b92f5b1b7c07a3a5b4e32c5123b7b1a3dbd962eefa5197b5cb184e2"}