Estimates of the take-up rate for child and working tax credits in 2005-06, for which latest figures are available, by country and region, are produced in Table 9 of the HMRC publication “Child and Working Tax Credit Take-up rates 2005-06”. This publication is available on the HMRC website at:
We do not produce statistics separately for child tax credit and working tax credit.
Estimates of eligibility and the take-up rate for pension credit are not available below the level of Great Britain. However, latest estimates of take-up rates and the number of pensioners who were entitled to but not claiming pension credit in Great Britain were published in the “Income Related Benefits Estimates of Take-Up in 2005/06” report. A copy of this report is available in the Library.