§ Mr. Austin MitchellTo ask the Chancellor of the Exchequer whether he will publish in theOfficial Report a table showing for the highest and lowest 5 per cent. of gross incomes the percentage of gross incomes paid in income tax and national insurance contributions in (a) 1978–79, (b) 1988–89 and (c) 1989–90.
§ Mr. LilleyInformation is given in the table; estimates are based on the distributions in 1978–79, 1988–89 and 1989–90 of the gross earnings and investment income of married couples and single people aged under 65 who would be liable to pay income tax or national insurance contributions. The estimates for 1988–89 and 1989–90 are based on a projection of the 1987–88 survey of personal incomes and are provisional.
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Married Couples and Single People Aged Under 65 Liable to Income Tax and National Insurance Contributions Ranged by Gross Income Distribution by Gross Income Proportion of Gross Income paid in income tax and NIC 1978–79 per cent. 1988–89 per cent. 1989–90 per cent. Lowest 5 per cent.1 9 6 5 Highest 5 per cent.1 34 29 29 1 The lowest/highest 5 per cent, each contain (a) 970,000 married couples and single people in 1978–79, (b) 990,000 in 1988–89, and (c) 1 million in 1989–90.