The available information is in the following table.
Number Leeds West Parliamentary constituency 3,400 Leeds Local Authority Area 30,000 Great Britain 2,608,700 Notes: 1. Data is taken from 5 per cent. extracts of the Pensions Strategy Computer System, therefore figures are subject to a degree of sampling variation. They are also adjusted to be consistent with the overall caseload from the Work and Pensions Longitudinal Study. 2. Caseload figures are rounded to the nearest 100. 3. Local authorities are allocated using the Office for National Statistics postcode directory.