In-depth guide

UPDATED FEB 2026

Meta/Facebook Child Safety Lawsuit

Part of the Social Media Addiction investigation

The short answer

Meta Platforms — parent company of Instagram and Facebook — is the primary defendant in social media addiction litigation. The Facebook Papers showed Meta knew its products harmed children and chose profit over safety.

A 42-state AG coalition sued Meta in October 2023. Meta CEO Mark Zuckerberg is testifying in the K.G.M. bellwether trial in February 2026. Meta's $5 billion FTC settlement for privacy violations demonstrates the company's pattern of prioritizing engagement over user protection.

People's Justice Research TeamUpdated February 20, 2026Fact-checked

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Meta: The Central Defendant in Social Media Litigation

Meta Platforms, Inc. — the parent company of Instagram, Facebook, and WhatsApp — is the central defendant in the social media addiction litigation. With over 3.9 billion monthly active users across its family of apps, Meta is the world's largest social media company. The company generated $134 billion in advertising revenue in 2023, a business model that depends entirely on maximizing user engagement — including the engagement of children and adolescents.

The Facebook Papers, disclosed by whistleblower Frances Haugen in 2021, provide the most comprehensive evidence of corporate knowledge and disregard in the social media litigation. Meta's own researchers conducted studies between 2017 and 2021 that documented specific harms Instagram caused to teen users, and the company's response was to suppress the research rather than redesign the product. Meta simultaneously pursued development of Instagram Kids, targeting children under 13, while in possession of research showing its existing products harmed teenagers.

The 42-state attorney general coalition that sued Meta in October 2023 represents an extraordinary bipartisan consensus that Meta's practices harm children. The lawsuit alleges Meta designed Instagram and Facebook with features that addict children — algorithmic amplification, like counts, beauty filters, infinite scroll, and notification systems — and violated COPPA by knowingly allowing children under 13 to use its platforms.

Meta's Pattern of Prioritizing Profit Over Safety

Meta's history reveals a consistent pattern of prioritizing engagement and revenue over user safety. The $5 billion FTC settlement in 2019 — the largest privacy penalty in history — arose from Meta's failure to protect user data in the Cambridge Analytica scandal. The Facebook Papers showed Meta knew Instagram harmed teen mental health. Internal communications reveal that Meta employees raised safety concerns about features targeting children and were overruled by executives focused on growth metrics.

Mark Zuckerberg's testimony in the K.G.M. bellwether trial (February 18-19, 2026) is a watershed moment. His testimony under oath about what Meta knew, when it knew it, and what decisions were made regarding children's safety will provide direct evidence for the remaining cases in MDL 3047. Prior congressional testimony by Zuckerberg and other Meta executives has been characterized by deflection and claims of ignorance about the company's own internal research.

Meta's legal strategy has centered on arguing that its products are tools for communication protected by the First Amendment and Section 230 of the Communications Decency Act. However, courts have increasingly distinguished between platform content and platform design — finding that claims based on addictive design features (algorithms, infinite scroll, notifications) target the product's functionality rather than third-party content, and are therefore not shielded by Section 230.

Families seeking to hold Meta accountable should document screen time data for Instagram and Facebook, evidence of harmful content exposure, medical records linking mental health conditions to platform use, and any communications with Meta regarding account restrictions or content reports.

Research & evidence

Scientific Evidence

meta-analysis

U.S. Surgeon General Advisory on Social Media and Youth Mental Health

Office of the U.S. Surgeon General (Dr. Vivek Murthy). (2023). U.S. Surgeon General Advisory

Key findings

  • Teens spending 3+ hours daily on social media face double the risk of anxiety and depression symptoms
  • Social media use is associated with increased body dissatisfaction, eating disorder risk, and poor self-image, particularly among girls
  • Algorithmic feeds that maximize engagement can expose children to harmful content including self-harm, eating disorder, and suicide-related material
  • The Surgeon General called for tobacco-style warning labels on social media platforms in June 2024, stating the youth mental health crisis is an emergency
longitudinal

Adolescent Mental Health and Social Media: Generational Trends

Twenge JM, Haidt J. (2023). Journal of Adolescence / Review of General Psychology

Key findings

  • Rates of teen depression, anxiety, self-harm, and suicide increased sharply beginning in 2012 — coinciding with widespread smartphone and social media adoption
  • The increase was particularly pronounced among girls, with depression rates rising 145% between 2010 and 2020
  • The pattern was replicated across multiple countries and cultures, suggesting a common cause rather than country-specific factors
  • Social media's impact on mental health operates through social comparison, cyberbullying, sleep disruption, and reduced in-person socialization
longitudinal

fMRI Evidence for Social Media Effects on Adolescent Brain Development

Maza MT, Fox KA, Kwon SJ, et al. (2023). JAMA Pediatrics

Key findings

  • Habitual social media checking in early adolescence is associated with changes in brain sensitivity to social feedback over time
  • Frequent checkers showed increased neural sensitivity to social rewards and punishments in the amygdala, prefrontal cortex, and ventral striatum
  • The findings suggest social media may alter the developmental trajectory of brain regions involved in motivation, self-control, and emotional regulation
  • The study provides biological evidence that social media addiction involves measurable changes in brain structure and function, not just behavioral patterns

FAQ

Frequently Asked Questions

36 QUESTIONS

Yes. Thousands of lawsuits are currently filed against major social media companies including Meta (Instagram/Facebook), TikTok/ByteDance, Snap Inc. (Snapchat), Google/YouTube, and X Corp. These suits allege the companies deliberately designed their platforms with addictive features — algorithmic feeds, infinite scroll, like counts, beauty filters, streaks, and push notifications — that exploit the developing brains of children. Over 1,600 cases have been consolidated in MDL 3047. You may have a legal claim if your child developed compulsive social media use and suffered documented harm such as anxiety, depression, eating disorders, self-harm, sleep disruption, or academic decline. Attorneys handle these cases on contingency. Fee arrangements vary, so confirm terms with any attorney you consult.

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Related Guides

7 GUIDES

The full investigation

Part of the Social Media Addiction Investigation