§ Mr. Frank Fieldasked the Chancellor of the Exchequer if he will detail the total of personal income going to the top 1 per cent., 2 per cent., 3 per cent., 4 per cent., and 5 per cent., respectively, before and after tax of each year since 1978–79.
§ Mr. Norman Lamont[pursuant to his reply, 31 October 1986, c. 268]: Information is given in the tables. The quantile groups have been determined by reference to the 413W distribution of income before tax (table 1) or after tax (table 2) of those single people and married couples for whom the Inland Revenue has records in each year. The figures are based on surveys of personal incomes.
Table 1: Income before tax £ billion (percentage shares) Quantile group of tax units1 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 Top 1 per cent. 5.3 6.5 7.8 8.6 9.7 10.3 10.9 (5.1) (5.3) (5.5) (5.7) (5.9) (5.8) (5.7) Top 2 per cent. 8.4 10.3 12.2 13.5 15.2 16.2 17.9 (8.1) (8.4) (8.6) (8.9) (9.2) (9.1) (9.4) Top 3 per cent. 11.1 13.5 16.0 17.8 19.8 21.3 23.4 (10.6) (11.0) (11.3) (11.8) (11.9) (12.0) (12.2) Top 4 per cent. 13.5 16.5 19.4 21.6 23.9 25.9 28.4 (12.9) (13.4) (13.8) (14.2) (14.4) (14.5) (14.8) Top 5 per cent. 15.7 19.2 22.6 25.1 27.7 30.1 33.0 (15.0) (15.6) (16.0) (16.5) (16.7) (16.9) (17.2) 1ie counting married couples as one and combining their incomes.
Table 2: Income after tax £ billion (percentage shares) Quantile group of tax units1 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 Top 1 per cent. 3.1 4.2 4.9 5.3 6.0 6.4 7.2 (3.6) (4.2) (4.3) (4.4) (4.5) (4.5) (4.6) Top 2 per cent. 5.3 7.0 8.1 8.8 9.9 10.6 11.9 (6.3) (6.9) (7.1) (7.3) (7.4) (7.5) (7.7) Top 3 per cent. 7.3 9.5 11.0 11.9 13.3 14.4 16.0 (8.7) (9.4) (9.6) (9.8) (10.0) (10.1) (10.4) Top 4 per cent. 9.1 11.8 13.7 14.8 16.5 17.9 19.8 (10.8) (11.6) (11.9) (12.2) (12.4) (12.5) (12.8) Top 5 per cent. 10.9 13.9 16.1 17.5 19.4 21.1 23.3 (12.9) (13.8) (14.1) (14.4) (14.6) (14.8) (15.1) 1ie counting married couples as one and combining their incomes.