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L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Retail prices index (inflation)

​​​​Latest figure

The annual percentage change in the Retail Prices Index (RPI) in June 2017 was 2.5%.

Retail Prices Index (RPI) rep​ort for June 2017

 

Next release

The Jersey RPI report for September 2017 will be published on 20 October 2017.

How to work out the percentage change in prices

Use our inflation calculator to work out the percentage change in prices between two dates or to re-value a sum of money. For dates earlier than 1989 you will need to use the index numbers published in our spreadsheets to calculate the change yourself, or contact the Statistics Unit for assistance.

To calculate the percentage change yourself, use the published RPI index numbers and this formula:

[(Later date RPI - Earlier date RPI)/ Earlier date RPI] x 100

To re-value a sum of money with RPI index numbers use this formula:

Sum of money (£) x (Later date RPI/ Earlier date RPI)

The inflation calculator

Unfortunately, the inflation calculator doesn't work on Apple products, such as Macbooks, iPads and iPhones without a copy of the Microsoft Excel for Apple. We're sorry for any inconvenience caused, but we're looking to resolve the issue soon.

About the Retail Prices Index (RPI)

The Retail Prices Index (RPI) is the main inflation measure in Jersey. It measures the change each quarter in the price of the goods and services bought by an average household.

We compile the index using a representative ‘shopping basket’ of over 500 separate goods and services. We collect prices from a range of outlets every three months.

The RPI is commonly used to increase maintenance payments and rents. It is also used in wage negotiations. It is sometimes referred to as the 'cost of living' although strictly speaking it is not a cost of living index.

Reviewing the RPI ‘shopping basket’

To make sure that the RPI reflects consumer spending patterns we review the items in the basket every five years or so. We do this by analysing information from the Jersey Household Spending Survey. We carried out the last review of the basket of goods and services in 2013.

The report published for the 2007 Review of the Basket of Goods and Services describes the review process. It also explains how and why we choose the various items in the RPI basket.

RPI review report​​ 2007

Other inflation measures

As well as the headline (All Items) RPI we also produce four other inflation measures:

  • RPI(X): underlying inflation measure which excludes mortgage interest payments
  • RPI(Y): underlying inflation measure which excludes mortgage interest payments and indirect taxes
  • RPI Low Income: for households in the lowest 20% of household income
  • RPI Pensioners

Inflation forecasts

The Fiscal Policy Panel oversees the production of assumptions about the Jersey economy, including for inflation

Fiscal Policy Panel

Download past reports and other data

You can search by year for past RPI reports on the Statistics Unit reports and documents page.

Statistics Unit reports and documents

RPI and RPI(X) annual percentage changes: 1989 onwards
RPI and RPI(X) index numbers: 1989 onwards
Annual average RPI index numbers: 1949 onwards
RPI group index numbers: 2000 onwards

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