Rpi inflation chart
The cost of goods and services increased by % over this period. Your £ would need to have grown by an average of % per year, just to have kept pace with inflation. If you achieved a lower rate of growth, the real value of your money would have fallen. *Figures based on the Retail Price Index (RPI) as at . First calculated for June 1947, the RPI used to be the principal official measure of inflation but has nowadays been superseded by the Consumer Price Index (CPI). RPI continues to be used in leases where rent reviews are index-linked, the Retail Price Index is generally considered more favourable to landlords.