How does royal baby compare to the 'average' baby?
23 July 2013 Last updated at 11:32 BST
The Duke and Duchess of Cambridge have spent the night in hospital with their new son.
The BBC's Mark Easton has been looking at how the royal baby's weight and family circumstances compare with other British babies, and looks at possible name suggestions.
First broadcast on BBC Radio 4's Today programme on Tuesday 23 July 2013.