(2) what the average income was of (a) males and (b) females working (i) full-time and (ii) part-time in City of York (A) parliamentary constituency and (B) council area in each year since 1992.
The information requested falls within the responsibility of the National Statistician, who has been asked to reply.
Letter from Karen Dunnell, dated 11 December2006:
As National Statistician, I have been asked to reply to your recent Parliamentary Questions asking:
(1) what the average household income was in the City of York (a) parliamentary constituency and (b) council area in each year since 1992 for (i) working, (ii) retired and (iii) unemployed households (106679) and;
(2) what the average income was of (a) males and (b) females working (i) full-time and (ii) part-time in City of York (A) parliamentary constituency and (B) council area in each year since 1992. (106680)
(1) Estimates of household income which include income from earnings, benefits, pensions, investment income and other sources, are generally based on household surveys. The largest of these is the Family Resources Survey which has an annual sample in the UK of around 28,000 households. This is sufficient to produce estimates of household income at national and regional level, but not for smaller areas.
However, the Office for National Statistics (ONS) has recently published estimates of household income for wards for 2001/02 only. These estimates are based on a statistical model and are experimental statistics—this means they have been developed in accordance with the principles set out in the National Statistics Code of Practice but have yet to be fully accredited as National Statistics. These ward level estimates can be used to provide estimates of average household income for areas made up of wards.
The estimates are mean net equivalised incomes. Equivalised household incomes are standardized to take into account different sizes and compositions of households. The standard household is deemed to be a two adult household with no children, and so these equivalised incomes can be interpreted as indicating a standard of living that would be achieved by a standard household with that income. The estimates are net of income tax, national insurance contributions, contributions to occupational pension schemes, and council tax
Using these model-based estimates of household income, it is estimated that for the City of York parliamentary constituency in 2001/02, mean net income before housing costs was £360 per week, while after housing costs it was £320. For the City of York council area, the mean net income before housing costs was £374 per week, while after housing costs it was £339.
(2) ONS does not produce statistics on the average income of individuals, however, average earnings are estimated from the Annual Survey of Hours and Earnings (ASHE), and are provided for employees on adult rates whose pay for the survey period was not affected by absence. This is the standard definition used for ASHE. The ASHE does not collect data on the self employed and people who do unpaid work. ASHE is only available from 1997. The attached tables show Average Gross Weekly Earnings for the parliamentary constituency of City of York, and for the Unitary Authority council area of York, for the years 1997 to 2006.
City of York Median Mean Full-time Part-time Full-time Part-time Male Female Male Female Male Female Male Female 2006 *509 **393 x **149 *600 *444 **144 *191 2005 *501 *361 x **145 *549 *407 x *166 2004b *474 *347 x **139 528 *414 x *154 2004 *498 **346 x **142 *547 *418 x *157 2003 *490 *328 x **124 515 *378 **143 *148 2002 *466 *304 x **124 484 338 x *135 2001 *408 *302 x **125 456 330 x *140 2000 *407 *293 x **121 459 *324 x *127 1999 *390 **268 x **102 442 *305 **107 *107 1998 *387 *261 x **103 429 288 **94 *112 1997 *386 *241 x **87 401 267 x *98
Gross weekly pay for Employee jobsa by Place of Work (council area)York Unitary AuthorityMedianMeanFull-timePart-timeFull-timePart-timeMaleFemaleMaleFemaleMaleFemaleMaleFemale2006*491*391x*146*578444**148*1742005*454*356x*133508399**140*1562004b*460*342x*126505*398x*1472004*472*342x*130526*399**158*1502003*446*335x**124*490*372**139*1442002*448*306x*125*475*349x*1382001*402*303x**116447331x*1322000*403*286x**117462320**93*1261999*382*267x*101432303x*1111998*372*250x*95420284x*1061997*363*235x*89397260x*103 a Employees on adult rates whose pay for the survey pay-period was not affected by absence.b In 2004 additional supplementary surveys were introduced to improve the coverage of the Annual Survey of Hours and Earnings. Figures are presented both excluding and including the additional surveys for comparison purposes.Guide to quality:The Coefficient of Variation (CV) indicates the quality of a figure, the smaller the CV value the higher the quality.The true value is likely to lie within +/- twice the CV - for example, for an average of 200 with a CV of 5%, we would expect the population average to be within the range 180 to 220.Key:CV <= 5%* CV > 5% and <= 10%** CV > 10% and <=20%x CV > 20%The median replaces the mean as the headline statistic. The weighted mean is the sum of the weighted values divided by the sum of the weights. The median is the value below which 50 per cent of employees fall. It is preferred over the mean for earnings data as it is influenced less by extreme values and because of the skewed distribution of earnings data.Source:Annual Survey of Hours and Earnings, Office for National Statistics.