What Does Child Support Cover in Australia?

One of the most common questions parents ask: "What exactly does child support pay for?" The answer might surprise you—it's not as specific as you think.

How Much Child Support Will I Pay in Australia?

Let's break down what this means in practice, what the law actually says, and when you can claim additional costs.

Child support in Australia typically ranges from $2,000 to $20,000 per year ($167-$1,667/month), depending on your income, care arrangement, and number of children. Low-income parents pay a minimum of $534/year, while high-income parents ($200k+) can pay $30,000+ annually. The exact amount depends on the 8-step formula that considers both parents' incomes and care percentages.

What Is the Minimum Child Support Payment in Australia?

The minimum child support payment in Australia is $534 per year (2026 rate) if you receive income support and have at least regular care (2+ nights per fortnight). For low-income payers without income support, the fixed annual rate is $1,815 per child per year, capped at three children. These minimum rates ensure children receive basic financial support regardless of the paying parent's income level.

Child support in Australia is calculated using the Services Australia formula that considers both parents' adjusted taxable incomes and care arrangements. The basic formula is: (Your Income % - Your Cost %) × Total Costs of Children. Services Australia applies this to determine who pays, how much, and when. Most parents pay between $1,815 (minimum) and $30,000+ annually depending on income and care.

How Is Child Support Calculated in Australia?

Before you can calculate child support, collect these details:

Child support income is your taxable income minus the Self-Support Amount (SSA). The SSA is $31,046 in 2026—the minimum income you need to support yourself.

Step 1: Gather the Information You Need

Add both parents' child support incomes together, then calculate each parent's percentage of the total.

Use the official Costs of Children table based on combined income, number of children, and their ages. This table is updated annually and varies significantly by income level.

Step 2: Calculate Child Support Income

Convert nights per year into care percentage, then use the formula to calculate cost percentage. This determines how much of the costs you cover through direct care.

Subtract your cost percentage from your income percentage. Multiply by the total costs of children. This is your annual child support amount.

Step 3: Calculate Income Percentages

Manual calculation is possible but has significant risks:

Step 4: Look Up the Costs of Children

Step 5: Calculate Care and Cost Percentages

Step 6: Apply the Formula

Why Use a Calculator Instead?

Frequently Asked Questions