What happens when your child turns 18

Your child turning 18 or stopping school may affect Family Tax Benefit (FTB), child support and their eligibility for payment. Turning 18 will also end their Child Dental Benefit Schedule cover.

At 18, your child can:

You can also read more about what happens with FTB at this age, if your child:

Your child may also be eligible for Child Dental Benefits Schedule.

If you have a child with disability, you may continue to qualify for Child Care Subsidy until they’re 18. Read more about Child Care Subsidy.

Youth Allowance

Once your child turns 18, they may be eligible for Youth Allowance. They may be eligible if they’re studying or undertaking an Australian Apprenticeship. They may be eligible even if they’re dependent and living at home.

Your income will impact your child’s eligibility for payments until they’re considered independent, which is usually when they turn 22.

Read more about dependent or independent for Youth Allowance.

FTB Part A

We’ll continue to pay FTB Part A until your child completes year 12 or an equivalent qualification. When it stops depends on when they complete their study.

FTB Part B

We pay FTB Part B per family, generally for the youngest child. It may continue until the end of the calendar year they turn 18 if you’re one of the following:

Child support

Normally child support payments stop when your child turns 18.

If your child is in secondary education, you can apply to extend it to the end of the school year. Call the Child support enquiry line to find out if you can.

Child Dental Benefits Schedule

Child Dental Benefit Schedule (CDBS) covers part or the full cost of some dental services for eligible children. We’ll tell you if your child can get the CDBS.

For each child, you can claim up to $1,000 over 2 consecutive calendar years.

An 18 year old is eligible for the calendar year if they were both:

  • 17 for at least 1 day in the year
  • eligible for at least 1 day in the year.

Page last updated: 4 December 2020