Teens, Social Media and Mental Health: Age Laws and Evidence — 2026-09-12
California Governor Gavin Newsom signed landmark laws on September 10 banning "addictive" social media features and AI chatbot interactions for users under 16. Meanwhile, a Texas judge ruled that TikTok violated state consumer protection laws by misleading users about child safety features, and Meta is in ongoing discussions with the South Korean government regarding youth usage limits.
Teens, Social Media and Mental Health: Age Laws and Evidence — 2026-09-12
Top developments
California Enacts Strict "Addictive" Feature and Age Verification Laws
On September 10, 2026, California Governor Gavin Newsom signed a series of bills restricting social media and AI use for minors, marking a significant shift in US state-level regulation. The new laws ban algorithmic feeds, autoplay, and infinite scroll features for users under 16, while mandating age verification from app stores (Apple, Google) rather than just platforms. Additionally, AI chatbot operators are now required to implement crisis protocols when minors exhibit suicidal ideation. The legislation explicitly targets "addictive" design patterns, with infinite scroll and autoplay cited as primary concerns for teen mental health.

TikTok Ruled to Have Violated Texas Child Safety Laws
A Texas judge ruled on September 11, 2026, that TikTok violated the state’s consumer protection law by misleading users about its child safety features. Judge Cory Liu granted partial summary judgment to the state, finding that TikTok falsely claimed it would remove content involving drugs, gambling, or graphic violence for younger users. This ruling allows the lawsuit to proceed to trial, potentially setting a precedent for how platforms' safety claims are scrutinized under state deceptive trade practices acts.

Meta Negotiates Youth Time Limits with South Korea
Meta is currently in discussions with the South Korean government regarding voluntary time restrictions for teenage users on its platforms, including Instagram and Facebook. Reports indicate that these talks involve limiting daily usage hours for minors, aligning with global trends toward stricter platform accountability for youth wellbeing. This move follows Meta’s recent $17–18 billion settlement in the US, which mandated similar safeguards such as night-time curfews and daily usage caps for under-18s.

TikTok Challenges Florida’s Under-14 Ban
TikTok has filed a motion to dismiss a lawsuit brought by the state of Florida, arguing that the 2024 law (HB 3) banning social media use for those under 14 is unconstitutionally vague and infringes on First Amendment rights. The platform contends that the law lacks clear definitions and fails to provide adequate notice of what constitutes prohibited conduct, challenging the enforceability of state-level age bans.
Local view
In France, the debate over age verification continues despite recent legal setbacks. Following the Constitutional Council’s censorship of the law banning social media access for under-15s in August, President Emmanuel Macron has tasked the Prime Minister with drafting a "juridically robust" alternative by spring 2027. Critics argue that previous attempts failed due to disproportionate impacts on freedom of expression, highlighting the difficulty of balancing child protection with civil liberties in European legal frameworks.
Context & numbers
- State-Level Legislation: As of August 2026, at least 21 US states have enacted laws addressing minors’ social media access, addictive feeds, or age-appropriate design.
- Mental Health Risks: The US Surgeon General’s advisory notes that adolescents spending more than 3 hours a day on social media face double the risk of experiencing symptoms of depression and anxiety.
- Australian Enforcement: Australia’s eSafety Commissioner continues to oversee compliance with the under-16 ban, with age assurance requirements for search engines having been mandatory since June 27, 2026.
On the radar
- Texas Trial: The TikTok consumer protection case in Texas is now headed to trial following the partial summary judgment.
- France’s New Draft: Watch for the French government's proposed replacement for the censored under-15 social media ban, expected to be drafted by spring 2027.
- South Korea Talks: Monitor official announcements from Meta and the Korean government regarding the finalization of voluntary time-limit agreements for teens.
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