There are no reliable estimates available for the requested information.
As at 31 May 2006, the latest date for which information is available, over 785,000 carers of severely disabled people were entitled to carer's allowance. Of these, some 454,000 were receiving the allowance, 332,000 were receiving another income maintenance benefit of at least the same amount, and some 410,000 had the carer premium included in the assessment of their income-related benefits, or the additional amount for carers included in the assessment of their pension credit.
Source:
Work and Pensions Longitudinal Study; figures rounded to the nearest thousand.