To ask the Chancellor of the Exchequer what the estimated extra annual revenue to the Exchequer would be if income tax were levied at (a) 50 per cent. on incomes over £100,000, (b) 60 per cent. on incomes over £250,000 and (c) 70 per cent. on incomes over £500,000; and how many people would be subject to each of these tax rates. (163336)

[holding answer 14 November 2007]: Estimates of the information requested can be found as follows.

These estimates are based on the 2004-05 Survey of Personal Incomes projected forward to 2007-08 using pre-Budget 2007 assumptions and include Budget 2007 changes. These figures exclude any estimate of behavioural response which could be significant given the scale of the change.