55 per cent of those aged 8 to 12 did not tell a parent when bothered, confused or upset by this content, rising to 63 per cent for 12-14 year-olds.
More than two thirds of primary school children have been contacted by a stranger during an online game.
A survey from CyberSafeKids has found a quarter of children in this age group have experienced harmful or upsetting content while online.
55 per cent of those aged 8 to 12 did not tell a parent when bothered, confused or upset by this content, rising to 63 per cent for 12-14 year-olds.

Legislation To Establish First All-Ireland University To Be Brought To Cabinet Next Week
Latest Report Shows 227 Adults Faced Homelessness In Kildare
Three Groups In Kildare To Receive Funding for Water Quality Improvements
Kildare To See Good Weather For The Weekend, As Temperatures Could Reach 21 Degrees
Ireland Meets EU Air Pollution Targets
Meta Reportedly Set To Cut 10% Of Global Workforce
Nearly One In Three Women Face Barriers To Free Contraception Scheme
David Mongey Appointed Chair of Irish National Stud Board