What is going on? Are we failing kids in Wales compared to England? What explains this?

https://www.bbc.co.uk/news/uk-wales-62182407

Child poverty rate in Wales also rising but falling in England. Why?
https://www.walesonline.co.uk/news/w...k-24469194.amp

Warnings on this in 2007
https://www.walesonline.co.uk/news/w...behind-2241844

and from 2011
https://www.walesonline.co.uk/news/l...nglish-1819363