Estimates for 2003-04, 2004-05 and 2005-06 of the number of in-work families with tax credits awards (including out-of-work families in 2005-06), based on final family circumstances and incomes for 2003-04, 2004- 05 and 2005-06 are published in “Child and Working Tax Credit Statistics. Finalised Annual Awards 2003-04 Geographical Analysis”, “Child and Working Tax Credit Statistics. Finalised Annual Awards 2004-05 Geographical Analysis” and “Child and Working Tax Credit Statistics. Finalised Annual Awards 2005-06 Geographical Analysis”. These publications and provisional estimates for the number of in-work families by constituency with tax credit awards as at selected dates in 2006-07 (including out-of-work families in April 2007) are available on the HMRC website at:
http://www.hmrc.gov.uk/stats/personal-tax-credits/cwtc-geog-stats.htm