ato logo
Search Suggestion:

IT8 Number of dependent children 2025

Complete question IT8 to include the number of dependent children you have.

Published 26 May 2025

Things you need to know

We use your number of dependent children to work out your entitlement to an increase in the income test threshold for the:

  • private health insurance rebate
  • Medicare levy surcharge.

Regardless of their income, a dependent child is your child who is either:

  • under 21 years old
  • 21 to 24 years old and a full-time student at a school, college or university.

The child must be an Australian resident and you must contribute to their maintenance.

Do you have any dependent children?

Completing your tax return

Write the number of your dependent children at question IT8 – label D.

Where to go next

QC104145