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 December 2019 report shows:

• during the twelve months to December 2019 the All Items Retail Prices Index (RPI) for Jersey increased by 2.5% to stand at 179.8 (June 2000 = 100)
• most groups saw prices increase, on average, on an annual basis
• the largest contributors to the annual increase in the RPI were the Housing, Household services and Leisure services groups 
• the increase in the RPI over the twelve months to September 2019 was 2.7%; hence, the annual rate of inflation decreased by 0.2 percentage points (pp) in the latest quarter
• the largest downward contributor to the change in the annual rate of inflation was the Fares & other travel group; prices in this group decreased, on average, over the twelve months to December 2019 but had increased over the same time period to September 2019
• underlying inflation, as measured by the annual change in RPI(Y), increased by 2.3% over the twelve months to December 2019 
• over the twelve months to December 2019:
• RPI(X) increased by 2.3%
• RPI Pensioners increased by 2.4%
• RPI Low Income increased by 2.5% 
• underlying inflation was the lowest for three years, since December 2016
• the rate of inflation in Jersey over the twelve months to December 2019 was 0.9 pp greater than that of the comparable measure for the UK (1.6%)