To ask the Secretary of State for Social Security what was the percentage change in income during the period 1979 to 1987, both before and after housing costs, of each percentile group in the population.
The information for each decile median is in the tables. Greater disaggregation would not provide statistically reliable results.
Percentage changes in real income by decile group 1979–1987
| ||
Decile group medians
| Income before housing costs
| Income after housing costs
|
| Decile 1 | 5 | –4 |
| Decile 2 | 4 | 0 |
| Decile 3 | 5 | 2 |
| Decile 4 | 9 | 7 |
| Decile 5 | 12 | 11 |
| Decile 6 | 14 | 14 |
| Decile 7 | 16 | 17 |
| Decile 8 | 19 | 20 |
| Decile 9 | 24 | 25 |
| Decile 10 | 35 | 38 |
Note: All estimates are subject to sampling error.
To ask the Secretary of State for Social Security, pursuant to his answer of 16 July 1992, Official Report, columns 946–47, what was the average equivalised income at April 1993 prices of the poorest 20 per cent. and richest 20 per cent. before and after housing costs for 1979, 1981, 1987, 1988–89 and 1992–93.
Average median net equivalised income in April 1993 prices (in pounds per week) for the bottom and top 20 per cent. of the income distribution.
| Before housing costs | ||
| Bottom 20 per cent. | Top 20 per cent. | |
| 1979 | 98 | 294 |
| 1981 | 96 | 303 |
| 1987 | 102 | 382 |
| 1988–89 | 102 | 408 |
| 1990–91 | 101 | 437 |
| After housing costs | ||
| Bottom 20 per cent. | Top 20 per cent. | |
| 1979 | 84 | 260 |
| 1981 | 80 | 270 |
| 1987 | 83 | 338 |
| 1988–89 | 83 | 366 |
| 1990–91 | 81 | 390 |
Notes:
1. The information in the tables, before and after housing costs, for the years 1979, 1981, 1987, 1988–89 and 1990–91 (latest years available).
2. All estimates are subject to sampling error.