20. Mr. Lilley: To ask the Chancellor of the Exchequer if he will make a statement on the contribution of immigration to economic growth. 
Ruth Kelly: The economic analysis and projections set out in the Treasury paper on Trend Growth, published alongside the Budget in April 2002, imply a contribution from net migration of about 0.4 percentage points towards the 2? per cent. annual trend rate of output growth. Subsequent updates have not changed this.