§ Mr. MilburnTo ask the Secretary of State for Social Security if he will estimate the proportion of average household income in each region being paid through national insurance contributions in each year from 1978–79 to 1996–97.
§ Miss Widdecombe[holding answer 29 March 1993]:The table shows the available information, relating to employees' national insurance contributions as a percentage of household income by region, for the calendar years 1984 to 1990. Regional estimates of household income have not been compiled for years prior to 1984, and estimates for 1991 will be published in the May 1993 issue of "Economic Trends".
305W
1984 1985 1986 1987 1988 1989 1990 South East of which: 4.2 4.1 4.0 4.0 3.9 3.5 3.1 Greater London 4.3 4.3 4.1 4.1 4.1 3.6 3.2 Rest of South East 4.1 4.0 3.9 3.9 3.8 3.4 3.0 South West 3.8 3.7 3.5 3.6 3.7 3.4 2.9 West Midlands 4.4 4.4 4.2 4.2 4.3 3.8 3.3 North West 4.3 4.2 4.1 4.2 4.2 3.7 3.2 England 4.2 4.1 4.0 4.0 4.0 3.6 3.1 Wales 3.9 4.0 3.9 3.9 4.0 3.5 3.1 Scotland 4.2 4.1 4.0 4.0 4.2 3.7 3.2 Northern Ireland 4.4 4.0 3.8 3.8 3.8 3.2 2.9 Notes:
1. Total household income based on the National Accounts definition of household income.
2. Regional estimates consistent with the data published in the Regiona national estimates published in the 1991 Blue Book.
3. Regional breakdown of employees' national insurance contributions based on one per cent. sample of records held by Department of Social Security.
Source:Central Statistical Office.