§ Dr. McDonaldasked the Chancellor of the Exchequer (1) if he will detail the proportions of pre-tax and post-tax increases paid to the top 1 per cent., 2 per cent., 3 per cent., 4 per cent., 5 per cent., 10 per cent., 20 per cent., 30 per cent., 50 per cent. and 75 per cent. of taxpayers in 1978–79 and the latest available year; and what this represents in money terms;
(2) if he will detail the proportions of pre-tax and posttax increases, including national insurance contributions, paid to the top I per cent., 2 per cent., 3 per cent., 4 per cent., 5 per cent., 10 per cent., 20 per cent., 30 per cent., 50 per cent. and 75 per cent. of taxpayers in 1978–79 and the latest available year; and what this represents in money terms.
§ Mr. Norman Lamont[pursuant to his replies, 20 January 1987 c. 470 and 23 January 1987 c. 781]: Information is
Earnings level Top 5 per cent. Top 10 per cent. Top 25 per cent. Top 50 per cent. Top 75 per cent. Percentage changes between April 1977 and April 1978 Gross earnings 13.4 13 6 13.0 13.4 12.2 Earnings afler tax 15.1 15.2 14.6 15.0 14.0 Earnings after tax and NIC 14.1 14.2 13.6 14 0 13.1 Percentage changes between April 1985 and April 1986 Gross earnings 9.4 8.3 7.7 7.71 6.7 Earnings after tax 10.3 9.2 8.5 7.7 7.2 Earnings after tax and NIC 10.6 9.3 8.5 7.8 7.2 Cash changes between April 1977 and April 1978 (£ per week) Gross earnings 17.70 15.36 11.63 9.56 7.04 Earnings after tax 14.56 12.80 10.07 8.50 6.67 Earnings after tax and NIC 12.80 11.04 8.64 7.34 5.79 Cash changes between April 1985 and April 1986 (£ per week) Gross earnings 33.50 24.50 17.40 12.30 8.90 Earnings after tax 27.81 20.81 15.07 10.91 81.0 Earnings after tax and NIC 26.01 19.01 13.50 9.81 7.30