§ Mr. Nicholas BrownTo ask the Chancellor of the Exchequer how many people faced marginal tax rates(a) including and (b) excluding social security, of (i) over 40 per cent., (ii) over 50 per cent., (iii) over 60 per cent., (iv) over 70 per cent., (v) over 80 per cent., (vi) over 90 per cent. and (vii) over 100 per cent. in every year since 1978–79, including 1991–92, in the United Kingdom.
§ Mr. Maude[holding answer 24 February 1992]: Estimated numbers of taxpayers liable to income tax at rates above the basic rate are in the table. Estimates of the numbers with marginal net income deduction rates (taking account of the withdrawal of social security benefits) at or above certain levels were published in figure 20 of "Social Security. The Government's expenditure plans 1992–93 to 1994–95" (Cm 1914).
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Taxpayers1 liable at higher rate (thousands) Tax rate2 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 1985–86 1986–87 1987–88 1988–89 1989–90 1990–913 1991–923 40 235 302 334 445 435 355 380 380 400 360 1,350 1,500 1,660 1,620 45 158 168 216 305 245 245 255 250 300 320 — — — — 50 86 108 129 170 155 140 145 150 210 240 — — — — 55 84 43 52 75 65 55 65 70 90 110 — — — — 60 54 53 65 95 83 65 85 100 120 160 — — — — 65 45 — — — — — — — — — — — — — 70 32 — — — — — — — — — — — — — 75 36 — — — — — — — — — — — — — 80 33 — — — — — — — — — — — — — TOTAL 763 674 796 1,090 983 860 930 950 1,120 1,190 1,350 1,500 1,660 1,620 1 Single people and married couples for years up to and including 1989–90, individuals from 1990–91. 2 Tax rate applicable to earned income. This excludes any liability to the investment income surcharge for years up to 1983–84. 3 Provisional estimates projected from the 1989–90 Survey of Personal Incomes.