Tokyo Ward Installs AI Cameras to Find Missing Persons
L'essentiel
Arakawa ward in Tokyo has installed 33 AI-equipped security cameras with facial recognition to help locate missing children and elderly people with dementia, marking a potential first for local Japanese governments.
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Police stations in Tokyo’s Arakawa ward receive about 100 reports each year of missing children and elderly people with dementia. The ward has installed AI cameras to potentially speed up searches.
Police stations in Tokyo’s Arakawa ward receive about 100 reports each year of missing children and elderly people with dementia
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Published: 11:56am, 13 Jul 2026
A Tokyo ward has installed outdoor AI cameras with facial recognition capabilities to help locate missing children and elderly people, a move aimed at improving public safety but also raising privacy concerns in Japan.
Arakawa ward installed 33 artificial intelligence-equipped security cameras on pylons along the main street and elsewhere near the JR Nippori Station in April to test whether the technology could speed up searches for missing persons.
The busy area around the station is frequented by commuters, students and foreign residents.
If a child or elderly person with dementia goes missing, family members can ask the ward to conduct an AI-assisted search by providing a photograph. The AI then scans recorded footage for people closely matching the image.
The ward believes that this is the first outdoor deployment of AI facial recognition security cameras by a local Japanese government, and hopes that it will help to find missing people more quickly.
Questions ouvertes
- How effective are the cameras in practice?
- What are the specific privacy implications?
- Will other wards adopt this technology?
