Family Law in Australia

Introduction

Australian family law is a federal jurisdiction, derived from the Commonwealth’s constitutional powers over marriage (s 51(xxi)) and matrimonial causes (s 51(xxii)). The principal statute is the Family Law Act 1975 (Cth), which has governed divorce, parenting, and financial matters for over half a century. The Act introduced a revolutionary no-fault divorce system, abolished the old common law actions for criminal conversation and restitution of conjugal rights, and established the Family Court of Australia — now merged into the Federal Circuit and Family Court of Australia (FCFCOA) following the 2021 amalgamation. Family law in Australia also encompasses child support, de facto relationship breakdown, and international family law, each governed by its own legislative framework.

The Constitutional Foundation

The Commonwealth’s legislative power over marriage (s 51(xxi)) and matrimonial causes (s 51(xxii)) was given the broadest possible construction by the High Court in the Marriage Act cases (Attorney-General (Vic) v Commonwealth (1962)), which upheld the validity of the Marriage Act 1961 (Cth) and established that the marriage power extends to the creation, definition, and regulation of the marital relationship. The matrimonial causes power was held to cover all legal incidents of the marital relationship, including divorce, custody, maintenance, and property.

The Commonwealth’s family law power was expanded significantly through referral of powers by the states. Prior to 2009, the Commonwealth lacked the constitutional authority to legislate comprehensively for de facto relationships. In a cooperative scheme, all states referred their powers over de facto relationship breakdown to the Commonwealth, enabling the Family Law Amendment Act 2009 (Cth) to extend the FLA’s financial provisions to separating de facto couples.

Divorce: The No-Fault System

Section 48 of the FLA provides that divorce may be granted upon proof of irretrievable breakdown of marriage, evidenced by 12 months’ separation. The Act explicitly provides that the court shall not hold the marriage to have broken down irretrievably if there is a reasonable likelihood of cohabitation being resumed. Separation may occur even while the parties remain under the same roof, provided that the court is satisfied, on the evidence, that the marital relationship has ceased.

The no-fault principle means that the court does not inquire into the causes of the breakdown. Adultery, cruelty, or other alleged misconduct are irrelevant to the grant of divorce. The only exception relates to the requirement that the parties have been separated for 12 months: there is no requirement of separation, and no divorce may be granted, in the first two years of marriage, unless the parties have undertaken marriage counselling. The divorce order takes effect one month after it is made, at which point either party may remarry.

The Federal Circuit and Family Court of Australia

The Federal Circuit and Family Court of Australia (FCFCOA) was established by the Federal Circuit and Family Court of Australia Act 2021 (Cth), which merged the Family Court of Australia and the Federal Circuit Court of Australia into a single court. The FCFCOA exercises both original and appellate jurisdiction under the FLA. The Chief Justice has implemented a case management system that aims to resolve family law disputes more efficiently, with cases categorised into pathways based on complexity and the presence of risk factors such as family violence. The appellate jurisdiction of the FCFCOA is exercised by a Full Court constituted by three judges, with further appeal to the High Court of Australia by special leave.

Parenting Orders

The FLA’s parenting provisions are governed by the overarching principle that the best interests of the child are the paramount consideration (s 60CA). Section 60B sets out the objects of the parenting provisions: to ensure that children have the benefit of both parents having a meaningful relationship with them and to protect children from physical or psychological harm from being subjected to, or exposed to, abuse, neglect, or family violence.

Section 60CC identifies the factors the court must consider in determining a child’s best interests. The primary considerations are: (a) the benefit of the child having a meaningful relationship with both parents; and (b) the need to protect the child from physical or psychological harm. In determining the weight to be given to these primary considerations, recent amendments prioritise protection from harm over the meaningful relationship objective. The additional considerations include the child’s views, the nature of the child’s relationships, the extent to which each parent has participated in care arrangements, the practical difficulty of the child spending time with a parent, and any family violence involving the child or a member of the child’s family.

Section 61DA imposes a presumption of equal shared parental responsibility — the presumption that it is in the best interests of the child for the parents to have equal responsibility for making decisions about major long-term issues affecting the child. The presumption does not apply where there are reasonable grounds to believe that a parent has engaged in family violence and may be rebutted by evidence that equal shared parental responsibility is not in the child’s best interests. Where the presumption applies, the court must consider whether the child spending equal time with each parent is reasonably practicable and in the child’s best interests; if not, whether substantial and significant time is appropriate.

Financial Matters

Spousal maintenance is governed by s 72 of the FLA, which imposes an obligation on a party to a marriage to maintain the other party to the extent that the other party is unable to support themselves adequately. The court may make an order for spousal maintenance where the respondent has the capacity to pay and the applicant has a need.

Property division is governed by s 79 of the FLA. The High Court in Stanford v Stanford (2012) clarified the approach to property proceedings, establishing a four-step process. First, the court must identify the existing legal and equitable property interests of the parties. Second, the court must determine whether it is just and equitable to make an order altering those interests. Third, the court must consider the matters in s 79(4), including the financial and non-financial contributions of each party (direct contributions, homemaker and parent contributions, and contributions to the welfare of the family). Fourth, the court must consider the factors in s 75(2) — the future needs factors — to ensure that the ultimate order is just and equitable. Superannuation is treated as property for the purposes of s 79 and may be the subject of a splitting order.

Child Support

Child support is administered separately under the Child Support (Assessment) Act 1989 (Cth) and the Child Support (Registration and Collection) Act 1988 (Cth). The system is largely administrative rather than judicial: the Department of Human Services (Child Support) applies a formula that calculates the liability of the paying parent based on their income, the number of children, the percentage of care, and the income of the receiving parent. Parents may depart from the formula assessment by entering into a binding child support agreement, and the court may make a departure order in special circumstances.

International Family Law

Australia is a signatory to the Hague Convention on the Civil Aspects of International Child Abduction, implemented through the Family Law (Child Abduction Convention) Regulations 1986 (Cth). The object of the Convention is to secure the prompt return of children wrongfully removed to or retained in a Contracting State. The FLA also provides for the recognition and enforcement of overseas parenting orders and for the exercise of jurisdiction in parenting proceedings where children are habitually resident outside Australia.

Family Violence

The family violence provisions of the FLA have been significantly strengthened by amendments in 2011 and 2023. The Act now defines family violence broadly (s 4AB), encompassing physical, sexual, emotional, and psychological abuse, economic abuse, coercive control, and behaviour that controls or dominates a family member. The court must, in making parenting orders, prioritise the safety of children and the parent who has experienced family violence. The 2023 amendments introduced a legislative presumption that proceedings involving allegations of family violence should be given priority in case management and that the court must consider appointing a separate representative for the child in such cases.

Conclusion

Australian family law provides a comprehensive and integrated framework for the resolution of disputes arising from relationship breakdown. The no-fault divorce system, the best-interests standard for parenting, and the four-step property division process have proven remarkably durable. The continued evolution of the law — through the FCFCOA merger, the strengthening of family violence protections, and the expanding recognition of diverse family forms — reflects the ongoing adaptation of legal institutions to changing social conditions.