Children’s experiences of using online services

Published: 4 December 2025

The Children's Online Safety Tracker (COST) aims to further understand and track UK children’s recalled experiences of being online, including their use and awareness of safety measures and experiences of harmful content or contact.

We conduct this research twice a year using an online panel to sample over 7,000 children aged 8-17 annually. At Wave 1 a pilot was also conducted in schools. Data published for Wave 1 will include responses from the online panel only. 

Wave 1

Document Wave Date published
Technical report Wave 1 4 December 2025
Questionnaire Wave 1 4 December 2025
Data tables Wave 1 4 December 2025