​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 2017 report shows:

• during the twelve months to September 2017 the All Items Retail Prices Index (RPI) for Jersey increased by 3.1% to stand at 167.8 (June 2000 = 100)
• the Household services and Motoring groups were the largest contributors to the overall annual increase in the RPI
• the annual increase in Food prices was the highest recorded for three and a half years, since March 2014
• the increase in the RPI over the twelve months to June 2017 was 2.5%; hence, the annual rate of inflation increased by 0.6 percentage points (pp) in the latest quarter
• this increase in the annual rate of inflation was primarily due to several groups seeing greater rates of price increase over the twelve months to September 2017 than over the twelve months to June 2017
• RPI(X) increased by 3.4% over the twelve months to September 2017 and underlying inflation, as measured by RPI(Y), increased by 3.3% over the same period
• RPI Pensioners increased by 3.3% and RPI Low Income increased by 3.3% over the twelve months to September 2017
• all consumer price indices recorded their greatest annual rates of increase for five and half years, since March 2012