Guardianship and substitute decision-making have been the default response when someone is assessed as unable to make decisions. The law assumes incapacity, transfers authority, and steps in to protect.
Supported decision-making (SDM) challenges this approach. It is not just a policy slogan or legal reform; it is a fundamentally different way of thinking about autonomy, risk, and human rights.
At its core, supported decision-making recognises that people do not lose the right to make decisions simply because decision-making is difficult or complex.
In practice, it involves:
- Identifying the areas where a person needs support
- Providing access to trusted supporters or networks who can explain, clarify, or translate information
- Using tools such as accessible documents, decision-making frameworks, or communication aids
- Ensuring that the decision itself remains the person’s own, even if it differs from what a supporter would choose
The goal is not to replace the person’s judgment but to enhance it, ensuring that autonomy is preserved wherever possible.
Victoria’s 2020 guardianship reforms represent a significant step towards integrating supported decision-making into law. The reforms emphasise:
- A preference for support over substitution wherever feasible.
- Decision-making agreements that document how support will be provided.
- A shift in focus from “best interests” to “will and preferences” of the person concerned.
However, implementing SDM is not automatic. The law can authorise support, but culture, systems, and resources determine whether it actually happens. Many institutions remain more comfortable with control than with shared decision-making, and old patterns of substitute decision-making persist.
While the principles of SDM are clear, applying them can be complex:
- Risk-averse organisations may resist ceding control.
- Supporters may unintentionally overstep and make decisions for the person.
- Resources and training are often inadequate to sustain meaningful SDM.
- Legal systems and guardianship offices are still adjusting to the shift from protection to empowerment.
Despite these hurdles, case studies show that with proper design, supported decision-making can work. Individuals who are supported in this way report greater confidence, stronger engagement in their communities, and improved satisfaction with outcomes.
Supported decision-making is more than legal theory; it is a practical commitment to human rights. It reminds us that autonomy is not optional and that protection should not automatically mean replacement.
Implementing SDM successfully requires:
- Legal frameworks that prioritise support
- Organisational cultures that embrace risk and value choice
- Ongoing education for supporters, practitioners, and institutions
- Continuous monitoring to ensure the person’s voice remains central
When these elements come together, supported decision-making transforms both law and practice. It preserves dignity, strengthens inclusion, and ensures that legal systems serve people, rather than silencing them.
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