The nation's bold move to ban social platforms access for those under 16 is sparking debate around the globe. Politicians, campaigners, and guardians are observing intently to see if this tactic will become a template for the rest of the world.
Throughout Europe, a increasing number of states are exploring similar restrictions.
Across the European Union, the bloc's legislature has passed a non-binding motion calling for a ban for under-16s unless guardian approval is given. Even though it highlights of the "habit-forming" nature of these services, the step does not create mandatory rules.
"An effective age limit is a useful foundation," said one MEP behind the resolution.
For the United Kingdom, the leadership has remained open to a future ban, arguing that "nothing is discarded" but insisting any decision must be "supported by conclusive evidence".
Last year, interest built behind a proposal to introduce restrictions on social media use by under-16s, but it was ultimately watered down. Nonetheless, the administration committed to further research the topic.
Charities have expressed warnings. One foundation set up by the relatives of a teenager who was lost after being exposed to harmful social media material contends that a simple age ban might not make platforms safer and could create a "sudden drop-off" of exposure when young people become eligible.
"This ban is a answer to the inability of the social media companies to design tools that are secure and age appropriate for minors," said a leading online safety campaigner.
In the United States, legislation is largely unfolding at the local level against a backdrop of national inaction.
Even with cross-party agreement and proposals from certain individuals to copy Australia's lead, a federal ban is currently seen as improbable.
Apart from the West, further states are likewise taking action.
Yet, international agencies strike a more measured stance. A major UN agency has warned that age-based restrictions pose dangers and "may even backfire". The agency highlights that social networks can be a "vital connection" for vulnerable young people and that regulation should not be a "replacement" for platform operators to invest in safety.
Even as this international debate continues, the policies of the Australian government and several other countries show that policymakers around the world are increasingly content to stand by for platforms to self-regulate.
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