Andrew L. Urban
Now that the US Supreme Court has upheld state laws barring biological males (transgender women) from women’s and girls’ school sports and the UK Supreme Court having earlier unanimously ruled that “woman” and “sex” in the Equality Act 2010 refer to biological sex (sex at birth), Australia is left behind the US and UK in adopting clear, biology-based definitions for sex in law and policy, particularly in women’s sports, single-sex spaces, and related areas. As Sall Grover of Giggle knows only too well.
The US rulings affirm that states can prioritize biological sex for competitive fairness and safety, citing persistent male physiological advantages (e.g., muscle mass, bone density, strength, lung capacity) that testosterone suppression does not fully eliminate post-puberty.
In the UK, a Gender Recognition Certificate (GRC) does not change this for Equality Act purposes. This enables single-sex spaces, services, and provisions (e.g., shelters, sports, changing rooms) to exclude biological males while preserving separate protections against gender reassignment discrimination. The Court noted that conflating the two would make the Act incoherent.
Australia has not followed suit at the federal level. Key points:
- Sports guidelines: The Australian Human Rights Commission (AHRC) and Sport Australia promote “inclusion-first” policies for transgender and gender-diverse athletes. Participation is based on gender identity, with case-by-case exemptions only if safety/fairness risks are proven. This contrasts with biology-first approaches elsewhere.
- Legal framework: The Sex Discrimination Act 1984 (amended 2013) prohibits discrimination on sex and gender identity but lacks explicit definitions of “man” and “woman” as biological. Courts (e.g., Tickle v Giggle precedents) have interpreted sex more fluidly, treating gender identity as relevant. Proposals to restore biological definitions (e.g., by Nationals MP Alison Penfold in 2026) aim to clarify single-sex rights but face resistance.
- Olympics/elite level: Pushback against IOC’s 2026 biology-based policy (SRY gene testing for female categories). Some advocates and groups argue it conflicts with anti-discrimination laws, favouring inclusion over strict sex testing.
- State variations and incidents: Some states have seen controversies with male-bodied athletes in female categories, leading to calls for reform. Broader self-ID trends in birth certificates and services persist in places.
Australia’s approach prioritizes “inclusion” and anti-discrimination expansion, influenced by 2010s policy shifts. Critics argue this subordinates women’s sex-based rights to gender identity, echoing pre-2025 UK and pre-2026 US tensions. Polling often shows majority public support for protecting women’s categories by biology, especially among women athletes and parents.