How is child support calculated?

Child support in Germany is calculated using the Düsseldorf Table, based on the non-custodial parent’s net income and the child’s age, with legally defined minimum amounts tied to the child’s age-based percentage of the tax-free basic needs allowance.

Child support under the Federal Child Support Guidelines is calculated primarily based on the paying parent’s annual income and the number of children, using tables published in the Guidelines.

Child support in Australia is calculated using a formula set out in the Child Support (Assessment) Act 1989, based on parents’ incomes, care time, and the number and ages of children.

Child maintenance in Ireland is not calculated using a fixed formula; instead, the court decides the amount based on the child’s needs and each parent’s financial means under the Family Law Act 1995.

Children in Singapore can claim maintenance from their parents until age 21, or longer if they are incapacitated or pursuing full-time education.

Child maintenance in the UK is calculated by the Child Maintenance Service (CMS) using a formula based on the paying parent’s gross weekly income, number of children, and how many nights per week the child stays with them.

Child support in California is calculated using the state's mandatory guideline formula, which considers both parents' incomes, tax filing status, time each parent spends with the child, and certain deductions.

Child support in New York is calculated using the Child Support Standards Act (CSSA), which applies a percentage of combined parental income up to $154,000 to determine the basic support obligation.

Child support in Japan is determined by mutual agreement between parents or, if they cannot agree, by family court mediation or judgment using the 'Child Support Calculation Table' as a guideline.

In South Korea, child support is calculated using the official Child Support Calculation Table issued by the Supreme Court, which sets monthly amounts based on the combined income of both parents and the number of children.