The information requested falls within the responsibility of the UK Statistics Authority. I have asked the authority to reply.Letter from Karen Dunnell, dated 13 June 2008:"As National Statistician I have been asked to reply to your recent question asking what the latest estimate is of the number of lone parents with children under 16 years old in (a) Leeds Metropolitan District and (b) Leeds West constituency. (209211)""The number of lone parent families in the UK with children under 16 can be estimated using the Labour Force Survey (LFS). The table below shows these estimates for Leeds Metropolitan District and Leeds West constituency."<Table width="100%" summary="" cellspacing="3" cellpadding="3" border="0"><TR><TD></TD><TD>Number of lone parents with children under 16 (Thousand)</TD></TR><TR><TD>Leeds metropolitan district</TD><TD>20</TD></TR><TR><TD>Leeds West constituency</TD><TD>3</TD></TR><tfoot><TR><td>Source: LFS quarterly data, April to June, not seasonally adjusted</td></TR></tfoot></Table>