Small business income tax gap

How we estimate and reduce the small business income tax gap for 2020–21.

Last updated 29 October 2023

Latest estimate and trends

Compare the 2020–21 small business income tax gap to trends from previous years.

ATO action to reduce the gap

How we support our clients to meet their compliance obligations.

Methodology

What method we use to estimate the small business income tax gap.

Reliability

How we make sure the tax gap estimate is reliable.

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