The increase in the Consumer Price Index (CPI) for Perth from September 2010 to September 2011 was 2.8%, well below the weighted average for the eight capital cities (3.5%). Perth (along with Darwin) had the smallest annual CPI increase of all the eight capital cities.
The largest price increase over the year in Perth was for Food and non-alcoholic beverages, which increased by 5.9%.
The greatest decrease in prices occurred in Furnishings, household equipment and services, which declined by 0.5%.
In the September quarter 2011, Perth's CPI increased by 0.2%, well below the average quarterly increase for the eight capital cities (0.6%). Perth's CPI rise was the smallest among the eight capital cities.
The Consumer Price Index (CPI) is based on the price of a "basket" of goods and services and is used to measure change in this price over time. The content of the basket is determined through the ABS Household Expenditure Survey.
The CPI measures price change relative to the base year 1989-90, for which the index figure is set to 100. Prices are collected each quarter from selected retail outlets and through monitoring marked prices and advertised "special offers". For more information, refer to Consumer Price Index, Concepts, Sources and Methods, (cat. no. 6461.0).
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