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| Consumer Price Index (Australia) | |
|---|---|
| Name | Consumer Price Index (Australia) |
| Operator | Australian Bureau of Statistics |
| Inception | 1947 |
| Frequency | Quarterly |
| Coverage | Urban and regional Australia |
| Unit | Index (reference period) |
Consumer Price Index (Australia)
The Consumer Price Index (Australia) is a quarterly statistical measure produced by the Australian Bureau of Statistics that tracks changes in the prices of a representative basket of goods and services purchased by households. It is a principal macroeconomic indicator used alongside measures such as the Gross Domestic Product (Australia), Unemployment in Australia, Balance of Payments (Australia), Producer Price Index (Australia), and the Harmonised Index of Consumer Prices for international comparison. The index informs policy decisions by institutions including the Reserve Bank of Australia, the Australian Treasury, and international bodies like the International Monetary Fund, the Organisation for Economic Co-operation and Development, and the World Bank.
The index measures quarterly percentage changes in a weighted basket designed to reflect consumption patterns in Australia, capturing price movements for categories recorded by the Australian Bureau of Statistics such as housing, food, transport, health, education, and recreation. It complements labor market statistics from bodies like the Australian Bureau of Statistics's Labour Force Survey and fiscal indicators reported by the Commonwealth Department of Finance. Publications and analyses frequently appear in outlets such as the Australian Financial Review, The Sydney Morning Herald, and research institutions like the Grattan Institute and the McKell Institute.
Compilation follows international standards set by the International Labour Organization and the United Nations Statistical Commission, with methods informed by guidance from the Organisation for Economic Co-operation and Development and the International Monetary Fund. Price collection employs point-of-sale sampling, scanner data from retailers including Woolworths Group (Australia) Limited and Coles Group, and web-scraping from e-commerce platforms. The ABS uses item classification systems cross-referenced with the Australian and New Zealand Standard Industrial Classification and the Household Final Consumption Expenditure framework used by the Australian Bureau of Statistics for national accounts. Statistical techniques include chain-weighting, geometric means for elementary aggregates, and CPI formulae consistent with the Laspeyres index tradition adapted for chained indices.
The CPI basket is derived from household expenditure data, principally the Household Expenditure Survey (Australia) conducted by the Australian Bureau of Statistics, capturing spending patterns across states such as New South Wales, Victoria, Queensland, Western Australia, South Australia, Tasmania, Australian Capital Territory, and Northern Territory. Major expenditure groups include housing (rent, utilities), transport (motor vehicle purchases, fuel), food and non-alcoholic beverages, health (pharmaceuticals, medical services), education (tuition fees), and recreation (digital services, cultural events). Weights are updated periodically based on expenditure shares and are benchmarked to national accounts categories like Personal Saving Ratio (Australia) and household consumption aggregates.
CPI measures underpin indexation of welfare payments such as those administered by Services Australia and adjustments to superannuation indexing overseen by the Australian Prudential Regulation Authority. It is a reference for wage negotiations involving unions like the Australian Council of Trade Unions and employer associations including the Australian Industry Group and the Business Council of Australia. Financial markets reference CPI releases for inflation expectations, influencing yields on securities such as Commonwealth Government Securities (Australia) and corporate bonds issued by firms like Commonwealth Bank of Australia, Australia and New Zealand Banking Group, National Australia Bank, and Westpac. Academic research from universities such as the Australian National University, University of Melbourne, University of Sydney, and Monash University frequently uses CPI series to study price dynamics, real wages, and purchasing power.
Since its inception in the mid-20th century, the Australian CPI has reflected episodes including the 1970s global inflation surge studied alongside the 1973 oil crisis and the 1980s economic reforms associated with policies by figures such as Paul Keating and institutions like the Reserve Bank of Australia. Major methodological revisions occurred in the 1990s and 2000s to incorporate chain-weighting and updated classification systems, with further enhancements following international reviews by the International Monetary Fund and Organisation for Economic Co-operation and Development. The index captured disinflation in the 1990s, the low-inflation era of the 2010s, and inflationary pressures during events such as the COVID-19 pandemic and global supply chain disruptions.
Critiques target measurement bias, substitution effects, housing cost representation, and treatment of owner-occupier housing costs, debated in forums including the Productivity Commission and academic journals like the Economic Record (Australian Economic Society). Analysts from institutions such as the Grattan Institute, Centre for Independent Studies, and university research centres argue for broader use of alternative indicators including the Trimmed Mean and weighted median measures of core inflation produced by the Reserve Bank of Australia and adjustments to reflect cost-of-living pressures documented by Anglicare Australia and community organisations.
Administration is under statutory authority granted to the Australian Bureau of Statistics by legislation including the Australian Bureau of Statistics Act 1975, with oversight from the Parliament of Australia and audit functions involving the Australian National Audit Office. Confidentiality protections align with privacy frameworks such as the Privacy Act 1988 (Australia), while coordination with fiscal and monetary authorities involves the Treasury of Australia, the Reserve Bank of Australia, and intergovernmental councils like the Council on Federal Financial Relations.
Category:Economic indicators of Australia Category:Price indices