To ask the Secretary of State for Work and Pensions what estimate he has made of the cost of living for pensioner households in each year since 1997.
To ask the Secretary of State for Work and Pensions what the pensioner prices index was in each year from 1978-79 to 2008-09.
ONS produce separate indices for one and two pensioner households where at least three quarters of the household's income is from state benefits. These households are excluded from the Retail Prices Index (RPI).
The ONS exclude housing costs from the pensioner indices on the grounds that this would overstate inflation, as pensioners either tend to have lower housing costs, or would mostly be cushioned against some rises in housing costs by increases in housing-related benefits.