The information requested falls within the responsibility of the UK Statistics Authority. I have asked the authority to reply.Letter from Karen Dunnell, dated February 2009:"As National Statistician, I have been asked to reply to your Parliamentary Question asking how many and what proportion of people aged (a) over 50 and (b) 16 to 24 years were employed in the fourth quarter of 2008. (254049)""The requested information will not be available until the publication of the February 2009 Labour Market Statistics First Release on 11 February."