​The All Items Retail Prices Index (RPI) is the main measure of inflation in Jersey. It measures the change from quarter to quarter in the price of the goods and services purchased by an average household in Jersey.

The September 2014 report shows:

• during the twelve months to September 2014 the All Items Retail Prices Index (RPI) for Jersey increased by 1.9% to stand at 159.3 (June 2000 = 100)
• RPI(X)  increased by 2.1% over the twelve months to September 2014
• the annual rates of increase of RPI Pensioners and RPI Low Income over the twelve months to September 2014 were 2.0% and 2.1%, respectively
• underlying inflation as measured by RPI(Y) increased by 1.8% over the twelve months to September 2014​