Australia has enacted its world-first law to prohibit children under sixteen from holding accounts on major social media platforms, a measure the government champions as a landmark step in protecting young people’s wellbeing and empowering families to manage digital risks.

The Online Safety Amendment (Social Media Minimum Age) Act came into force on December ten, obliging companies such as Facebook, Instagram, TikTok, Snapchat, YouTube, Reddit and others to remove underage accounts and take “reasonable steps” to prevent children from creating new ones or face fines of up to forty-nine point five million Australian dollars.

Prime Minister Anthony Albanese described the law as a decisive reform that will shield children from harmful content and enable more meaningful offline engagement.

Despite strong public backing for the policy, significant questions have emerged about its early implementation.

Reports from across Australia indicate that many under-sixteen users remained logged into their accounts well after the law’s commencement, with platforms’ age-verification systems proving unevenly effective.

Some teenagers described little change to their social media access on the first day of the ban, reflecting the practical difficulty of enforcing the age threshold strictly and consistently.

Authorities have cautioned that under-sixteen users will not disappear from platforms overnight and that the law’s success will depend on ongoing compliance efforts.

The legislation has also faced legal and commercial pushback.

The global online forum Reddit has filed a constitutional challenge in the High Court of Australia, arguing that the law’s broad reach and age-verification requirements infringe on implied freedom of political communication and other rights.

The government has defended the measure as a proportionate response to mounting concerns about online harms.

Implementation hurdles have been compounded by shifting user behaviour, with some young Australians migrating to lesser-known platforms and messaging apps not yet explicitly covered by the law.

Observers warn that such migration may complicate oversight and raise new safety and regulatory questions in spaces with less established protections.

Parents, advocates and digital policy experts remain divided about whether the ban will deliver its intended benefits or simply displace youth activity to other corners of the internet.

As the unprecedented policy unfolds, Canberra has committed to monitoring its effects through data collection and evaluation, while international attention grows as other countries consider similar interventions.

The next phase of implementation and legal review will be closely watched as part of broader debates on child safety, digital regulation and online freedom in an increasingly networked age.