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Consumer Price Index (CPI) and RBA Cash Rates

Saturday, 6 December 2025

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Measures of Inflation and RBA Cash Rates

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Underlying Inflation - What is it?

% Change in Consumer prices - 2024

% Change in Consumer Prices 2023

% Change in Consumer Prices 2022

% Change in Consumer Prices 2021

% Change in Consumer prices 2020

% Change in Consumer Prices 2019

% Change in Consumer Prices 2018

% Change in Consumer Prices 2017

% Change in Consumer Prices 2016

% Change In Consumer Prices 2011 to 2015

2015	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	1.7%	2.1%	1.9%	2.1%	2.00%
30 Sept	1.5%	2.1%	2.2%	2.2%	2.00%
30 June	1.5%	2.2%	2.4%	2.3%	2.00%
31 March	1.3%	2.3%	2.5%	2.4%	2.25%

2014	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	1.7%	2.2%	2.3%	2.3%	2.50%
30 Sept	2.3%	2.5%	2.6%	2.6%	2.50%
30 June	3.0%	2.8%	2.6%	2.7%	2.50%
31 March	2.9%	2.7%	2.7%	2.7%	2.50%

2013	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	2.7%	2.5%	2.7%	2.6%	2.50%
30 Sept	2.2%	2.3%	2.5%	2.4%	2.50%
30 June	2.4%	2.3%	2.7%	2.5%	2.75%
31 March	2.5%	2.2%	2.6%	2.4%	3.00%

2012	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	2.2%	2.3%	2.5%	2.4%	3.00%
30 Sept	2.0%	2.3%	2.6%	2.5%	3.50%
30 June	1.2%	2.1%	2.2%	2.2%	3.50%
31 March	1.6%	2.3%	2.5%	2.4%	3.75%

2011	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	3.0%	2.8%	2.9%	2.9%	4.25%
30 Sept	3.4%	2.6%	2.8%	2.7%	4.75%
30 June	3.5%	2.6%	2.9%	2.8%	4.75%
31 March	3.3%	2.2%	2.5%	2.4%	4.75%

% Change In Consumer Prices 2006 to 2010

2010	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	2.7%	2.2%	2.3%	2.2%	4.75%
30 Sept	2.8%	2.5%	2.3%	2.4%	4.50%
30 June	3.1%	2.7%	2.7%	2.7%	4.50%
31 March	2.9%	3.0%	3.1%	3.1%	4.00%

2009	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	2.1%	3.2%	3.5%	3.4%	3.75%
30 Sept	1.3%	3.2%	3.8%	3.5%	3.00%
30 June	1.5%	3.6%	4.2%	3.9%	3.00%
31 March	2.5%	3.9%	4.4%	4.2%	3.25%

2008	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	3.7%	4.2%	4.5%	4.4%	4.25%
30 Sept	5.0%	4.6%	4.8%	4.7%	7.00%
30 June	4.5%	4.3%	4.5%	4.4%	7.25%
31 March	4.2%	4.0%	4.4%	4.2%	7.25%

2007	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	3.0%	3.4%	3.8%	3.6%	6.75%
30 Sept	1.9%	2.9%	3.2%	3.0%	6.50%
30 June	2.1%	2.7%	2.9%	2.8%	6.25%
31 March	2.4%	2.7%	2.9%	2.8%	6.25%

2006	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
12 months ended:	Headline Rate	Trimmed Mean Measure	Weighted Median	Underlying Inflation	RBA Overnight Cash Rate on
31 Dec	3.3%	2.9%	2.9%	2.95%	6.25%
30 Sept	3.9%	2.9%	3.0%	3.00%	6.00%
30 June	4.0%	2.8%	2.9%	2.85%	5.75%
31 March	3.0%	2.6%	2.7%	2.65%	5.50%

% Change In Consumer Prices 2000 to 2005

% Change in CPI - Headline Rate - 1986 to 1999

Links to expert information on measures of inflation

ABS MONTHLY INFLATION

NEW CPI WEIGHTED AVERAGE INDEX USED BY ATO

RBA - MEASURES OF CONSUMER PRICE INFLATION

RBA - STATEMENT ON THE LINK BETWEEN MONETARY POLICY AND INFLATION (14/03/08)