Australia tax bracket creep weighs most on minimum wage earners and top bracket threshold workers

Australia tax bracket creep weighs most on minimum wage earners and top bracket threshold workers
Tax creep impacts earners

Australia's tax system is set to push a larger share of workers' incomes into higher tax rates over time as thresholds fail to keep pace with inflation. New analysis indicates the heaviest effects fall on people earning about $45,000 and $190,000, with average tax rates for both groups rising sharply over the coming decade from 2028.

Highlights

  • e61 Institute research shows workers earning about $45,000 could see average tax rates rise over five percentage points by 2028 due to bracket creep.
  • Someone earning about $190,000 may face a more than four percentage point tax increase, with over half their real income growth absorbed by tax.
  • Budget surplus projections depend on bracket creep, while Opposition Leader Angus Taylor pledges inflation-indexed tax brackets funded by policy cuts if elected.

Analysis highlights pressure points in tax thresholds

As reported by ABC News, new research from the e61 Institute and economist Richard Holden shows workers on the minimum wage and those nearing the top tax bracket face the strongest bracket creep because their incomes sit closest to key tax thresholds.

The analysis finds that someone earning about $45,000 could see their average tax rate rise by more than five percentage points over a decade from 2028. A taxpayer earning about $190,000 could face an increase of more than four percentage points, with more than half of their real income growth absorbed by tax.

Bracket creep occurs when tax thresholds remain unchanged while wages rise with inflation, pulling more income into higher tax bands without an explicit policy change. The research also shows most taxpayers face at least a two percentage point increase in their average tax rate over the same period.

Budget and policy implications sharpen political debate

Michael Brennan, chief executive of e61, says increasing taxes on workers without a direct policy decision is neither fair nor a credible long-term way to raise revenue.

The analysis argues that budget projections describing a return to surplus rely on bracket creep, and that without it the budget moves into deficit by the end of the decade. That assessment adds to pressure on the government and the opposition as tax settings become a broader fiscal issue.

Opposition Leader Angus Taylor has pledged to index tax brackets to inflation if elected. The proposal would return bracket creep amounts to taxpayers each year and would be funded through cuts to existing policies.

We have also discussed the broader context around U.S. fiscal pressure as higher Treasury yields and large deficits strain government finances.

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