In 1984, Australia passed the Sex Discrimination Act, a landmark piece of legislation that recognised the reality of sex and sought to protect women against discrimination on the basis of being female. It acknowledged pregnancy, family responsibilities, and the need for single-sex provisions in areas such as sport and women’s services.
But nearly thirty years later, the 2013 amendments changed the foundation of this Act. What was once a law focused on sex-based rights for women and men was rewritten to include identity-based categories. In doing so, it blurred the legal meaning of “woman” and eroded the basis of women’s sex-based protections.
What Changed in 2013?
The Sex Discrimination Amendment (Sexual Orientation, Gender Identity and Intersex Status) Act 2013 introduced several major changes:
- Repeal of Definitions: The legal definitions of “man” and “woman” were removed entirely, leaving these categories open to interpretation.
- New Protected Attributes: Discrimination was expanded to cover sexual orientation, gender identity, and intersex status.
- Marriage & Relationships: “Marital status” was broadened into “marital or relationship status” to cover de facto and other arrangements.
- Spouse: The definition expanded to include de facto and surviving partners.
- Single-Sex Exceptions: Women-only services, sports, and clubs technically remain lawful, but excluding someone based on gender identity may now be unlawful.
- Religious Exemptions: Religious bodies kept exemptions, except in Commonwealth-funded aged care.
- Data & Records: Government agencies were no longer required to record sex as strictly male/female, undermining sex-based data collection.
Why Does This Matter for Women?
The amendments were promoted as progressive, but their practical effect has been to weaken sex-based rights.
- Loss of Clear Legal Definition: Without definitions of “woman” and “man,” it is harder to uphold laws intended to protect women specifically as a sex class.
- Conflict Between Sex and Gender Identity: A male who identifies as a woman can claim access to women’s services, sports, and spaces, even where those services exist to protect women’s safety and fairness.
- Undermining Single-Sex Services: Women’s refuges, rape crisis centres, and women-only clubs face legal risk if they prioritise female-only access.
- Data Erosion: Without reliable sex-based statistics, policymakers lose sight of women’s realities—such as rates of sexual assault, pregnancy discrimination, and sex-based pay inequality.
The Bigger Picture
The 2013 changes marked a fundamental shift in discrimination law:
- From protecting women on the basis of their biological sex,
- To protecting individuals based on self-declared identity categories.
While framed as inclusivity, the effect has been to dilute women’s rights and undermine the ability to advocate effectively for female-specific needs in law, policy, and services.
Conclusion: Why This Must Be Revisited
Women fought so that female sex would no longer be a reason for exclusion, exploitation, or disadvantage. By stripping “woman” of its legal clarity and elevating identity over sex, the 2013 amendments reversed much of that hard-won ground.
If Australia is to protect women fairly and effectively, we need laws that are clear about what sex means, who women are, and why sex-based protections remain essential.
Related:
Why the Sex Discrimination Act is an unjust law. The Australian. 13 August 2025 – https://www.theaustralian.com.au/inquirer/why-the-sex-discrimination-act-is-an-unjust-law/news-story/7038b8f2a5c4e8d46534dcbe40adc19e or archive link: https://archive.is/lzW21