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Mr. Frank Field: To ask the Chancellor of the Duchy of Lancaster with reference to the answer to the hon. Member for Yeovil (Mr. Laws) of 19 October 2007, Official Report, column 1353-5W, on migrant workers, what his most recent estimate of the number of migrant workers in the UK between 1997 and 2012 is. 
As National Statistician, I have been asked to reply to your Parliamentary Question asking what the most recent estimate of the number of migrant workers in the UK between 1997 and 2012 is, with reference to the Answer to the hon. Member for Yeovil of 19 October 2007, Official Report, column 1353-5 W. (246719)
The attached table gives the number of people in employment in the UK of working age, who were either United Kingdom or foreign born, for the three month period ending September, for each year from 1997 to 2008. Projections of migrant workers to 2012 are not available from either the Labour Force Survey (LFS) or the National Population Projections.
When interpreting the figures in the table, it is important to bear in mind the points made in my 19 October 2007 letter about the LFS sampling frame, definitions, coverage and how the survey results are weighted.
The figures in the table differ from those given previously as follows: the survey results are weighted to Autumn 2007 population estimates instead of 2003 population estimates; estimates are provided for 1998 and 2000 as a result of this re-weighting, whereas these estimates were previously unavailable; the three months ending in September have been supplied, as opposed to the three months ending in June, because this gives the most up to date estimate in 2008.
The estimates from Q3 2006 onwards are not entirely consistent with the figures published in the monthly Labour Market Statistics First Release, or the migrant worker figures published every quarter, which are weighted using more up-to-date population estimates.
As with any sample survey, estimates from the LFS are subject to a margin of uncertainty.
|Table 1: Number of people in employment of working age( 1) who were born in United Kingdom or abroad 1997-2008 United Kingdom, not seasonally adjusted|
|Three months ending September each year||All persons( 2)||Born in UK||Born abroad( 3)|
|(1) Defined as females aged 16 to 59 and males aged 16 to 64.|
(2) Includes people born outside of the UK, and those people who did not state their country of birth.
(3) Does not include people who did not state their country of birth.
(4) Coefficients of Variation have been calculated for the latest period as an indication of the quality of the estimates, as described below:
Guide to Quality:
The Coefficient of Variation (CV) indicates the quality of an estimate, the smaller the CV value the higher the quality. The true value is likely to lie within -/- twice the CV - for example, for an estimate of 200 with a CV of 5 per cent. we would expect the population total to be within the range 180-220
Key Coefficient of Variation (CV) (%) Statistical robustness
* 0 = CV <5 Estimates are considered precise.
** 5 = CV <10 Estimates are considered reasonably precise.
*** 10 = CV <20 Estimates are considered acceptable.
**** CV = 20 Estimates are considered too unreliable for practical purposes
It should be noted that the country of birth question in the LFS:
excludes those who have not been resident in the UK
excludes students in halls who do not have a UK resident parent
excludes people in most other types of communal establishment (e.g. Hotels, boarding houses, hostels, mobile home sites etc)
is grossed to population estimates that only include migrants staying for twelve months or more
microdata are grossed to population estimates consistent with those published in Autumn 2007, meaning estimates are not entirely consistent with the figures published in the monthly Labour Market Statistics First Release.
Labour Force Survey
To ask the Chancellor of the Duchy of Lancaster with reference to the answer to my hon. Friend the Member for Bromley and Chislehurst
(Robert Neill) of 22 July 2008, Official Report, column 1258W, on departmental property, how many home information packs his Department has purchased to date; and how many of these included home condition reports. 
Jenny Willott: To ask the Chancellor of the Duchy of Lancaster how many people had been claiming jobseekers allowance for a period of (a) less than one month, (b) less than three months, (c) between three and six months, (d) between six and nine months, (e) between nine and 12 months, (f) between 12 and 18 months, (g) between 18 and 24 months and (h) more than 24 months in each month of each of the last four years to date; and if he will make a statement. 
As National Statistician, I have been asked to reply to your Parliamentary Question asking how many people had been claiming jobseekers allowance for a period of (a) less than one month, (b) less than three months, (c) between three and six months, (d) between six and nine months, (e) between nine and 12 months, (f) between 12 and 18 months, (g) between 18 and 24 months and (h) more than 24 months in each month of each of the last 4 years to date. (246627)
Table 1, attached, shows the number of computerised claims of Jobseekers allowance (JSA) for people, aged 16 or over resident in the United Kingdom during each month from December 2005 to November 2008, broken down by the duration of the claim.
Data published for JSA by duration of claim in the Labour Market Statistics First Release are seasonally adjusted. The data provided in Table 1 are not seasonally adjusted because seasonally adjusted series are not available for all of the categories requested. The data will therefore differ to that published.
The latest JSA figures, along with other current and historical labour market indicators for the United Kingdom are available on the Nomis Website, www.nomisweb.co.uk
|Table 1: Number of persons claiming j obseekers allowance by duration of claim|
|not seasonally adjusted|
|Duration of claim|
|Up to:||More than:|
|Month of claim||One month||Three months||Three months up to six months||Six months up to nine months||Nine months up to 12 months||12 months up to 18 months||18 months up to 24 months||24 months|
Jobcentre Plus administrative system
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