To ask the Minister for the Cabinet Office what the most recent projections made by the Office for National Statistics are of population densities in (a) the UK, (b) England, (c) Scotland, (d) Wales and (e) Northern Ireland for (i) the earliest date for which such projections have been made (ii) 2031, (iii) 2056 and (iv) the most distant date for which such projections have been made; what estimate has been made of the population density of each such area in 2009; and what information the Office for National Statistics holds on the population density of other EU member states for the purposes of comparison with its projections for the UK.