In a letter to EU chief Ursula von der Leyen, Mitsotakis called for a “unified European framework” to be in place by the end of 2026.
He called for a European “Digital Age of Majority” at 15, with biannual age re-verification by platforms to ensure continuous compliance and prevent circumvention of access controls.
A growing body of research suggests too much time online is taking a toll on teen wellbeing.
Greek government spokesman Pavlos Marinakis said children born from 2012 onwards will be barred from platforms that promote “endless scrolling” – Facebook, Instagram, TikTok and Snapchat.
Messaging and video platforms such as Messenger, WhatsApp, Viber and YouTube are not affected, Marinakis said.
“The list of platforms is dynamic. This means that if others with the same characteristics emerge, it will, of course, be updated accordingly,” Marinakis said.
Platforms will be obliged to verify user age, he said.
“Our goal is not to place the burden of responsibility on children, but to pressure the platforms to adopt more effective policies.”
Australia in December became the first country in the world to require TikTok, YouTube, Snapchat and other top sites to remove accounts held by under-16s, or face heavy fines.
However, three months since the landmark laws came into effect, Australia’s online safety watchdog has found a “substantial proportion of Australian children” were still scrolling banned platforms.
Indonesia began enforcing a social media ban for users under the age of 16 in March, and has already issued summons letters to Google and Meta over their failure to comply with the law.
Austria announced last month it would soon ban social media for children up to the age of 14, with a plan to present a new law “as early as this summer”.
Spain and Denmark have also announced their intention to introduce a digital age of majority for social networks.
- Agence France-Presse