New government guidance suggests avoiding fast-paced children's content and sharing screen time where possible.
The OECD downgrades forecasts for many of the world's biggest economies due to the US-Israel war with Iran.
Pensions Minister Torston Bell said those affected would receive compensation "where appropriate".
The partner of one survivor told a public inquiry that authorities have "prolonged their suffering".
The level rose slightly on the previous year while the number of children living in poverty has remained steady.