In developed countries such as the UK and the USA, UPF represents more than 60% of the calories consumed in children’s and adolescents’ diets. In some Latin American countries such as Chile and Mexico, it is more than one-third of the total calories consumed by children 1–19 years old
Current research show children in the UK and US on average consume 60% of their calories from UPF. So, to your point: Yes, and it’s backed with stats.
https://pmc.ncbi.nlm.nih.gov/articles/PMC11346253/