The information requested falls within the responsibility of the UK Statistics. I have asked the authority to reply.
As Director General for the Office for National Statistics, I have been asked to reply to your Parliamentary Question asking how many 18 to 21 year-olds are employed in the public sector (1) full time, and (2) part time. [HL999]
For the period January-March 2012, it is estimated that there were 53,000 full-time and 51,000 part-time 18 to 21 year-olds employed in the public sector. The estimates are derived from the Labour Force Survey (LFS), and are not seasonally adjusted. As with any sample survey, estimates from the LFS are subject to a margin of uncertainty.
In the LFS the distinction between public and private sector is based on respondents' views about the organisation for which they work. The public sector estimates provided do not correspond to official Public Sector Employment estimates. Those are derived directly from employers and are based on National Accounts definitions, but do not include an age breakdown.