New Australia Institute research shows that if the GST had kept up with economic growth, as it was intended to do, states and territories would have received an additional $231 billion in revenue in the time since it was introduced.
That includes $22 billion in lost revenue in 2023-24 alone.
The decline of GST revenue has been driven by inequality. This is because wages haven’t kept up with the cost of housing, which means lower-income earners have less money to spend on other things that GST is applied to, and wealthier people are able to avoid GST on things they are more likely to use, like private health insurance and private school fees.
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