Dhaka, June 12 -- Nearly 400 million children under 5 - or 6 in 10 children within that age group globally - regularly endure psychological aggression or physical punishment at home, according to new UNICEF estimates. Of them, around 330 million are punished by physical means.

The findings also emphasise the crucial role of play in children's development and the mental health of children, parents, and caregivers in response to data that highlights the prevalence of inadequate caregiving, including stimulation and interaction at home, reports unicef.org.

"When children are subjected to physical or verbal abuse at home, or when they are deprived of social and emotional care from their loved ones, it can undermine their sense of self-worth...