New law will deliver a message to tech companies to "clean up their act," the country's prime minister has said.

Australia’s controversial new law barring under-16s from social media is one of the toughest crackdowns yet on platforms including Facebook and TikTok as governments worldwide grasp for ways to protect children from harmful content.

The law would fine social media platforms like TikTok, Facebook, X, and Instagram for failing to stop children younger than 16 years old from having accounts.