Can you stop a teen from using TikTok? Australia is about to find out.

Australia passed a law banning children under 16 from using social media apps like TikTok and Snapchat. Whether it can be enforced remains in question.

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A Sydney teenager checks social media on his phone this month. (Dean Lewins/IAAPImage/AP)

SYDNEY — Australia on Thursday passed one of the world’s most restrictive social media laws, banning children under 16 from using online platforms such as TikTok, Snapchat and Instagram.

The legislation, which comes amid growing concerns over social media’s impacts on young people, passed with broad political support. But it has been criticized by many experts who say it is too simplistic and could create more problems than it solves.