Excessive Social Media Use Linked to Rising Adolescent Depression Rates in France

Strategic Insights -

A new study published in PLOS Medicine examines the impact of social media (SM) use on adolescent depression rates in France. Researchers from Columbia University Irving Medical Center developed an individual-based microsimulation model to track depression outcomes from 2000 to 2022 among 18.6 million French adolescents born between 1990 and 2012. The study found that excessive SM use likely contributed to the recent increase in rates of adolescent depression, with an estimated 590,000 additional cumulative lifetime depression cases, 799 suicide deaths, and 137,000 health-adjusted life expectancy (HALE) loss years among French adolescents.

Key Takeaways:

  • The study found that excessive social media use was associated with an estimated 590,000 additional cumulative lifetime depression cases (95%CI [400,000, 760,000]) among French adolescents.
  • Excessive SM use was also associated with 799 suicide deaths (95%CI [547, 1,028]) and 137,000 (95%CI [94,000, 176,000]) HALE loss years among French adolescents.
  • Limiting SM use to 1 hour per day for all adolescents, replacing 30 minutes of SM use with 30 minutes of physical activity, or stopping its use for adolescents most at-risk for depression, would be associated with a reduction in cumulative lifetime prevalence of depression by 14.7%, 12.9%, and 12.0%, respectively.
  • The study concluded that targeted SM interventions could potentially reduce adolescent depression burden, though real-world implementation and effectiveness require validation.
  • The research was conducted using an individual-based microsimulation model, which was well-calibrated and validated against US-specific data.

Statistics:

  • 590,000: estimated additional cumulative lifetime depression cases among French adolescents associated with excessive social media use (95% CI [400,000, 760,000]).
  • 799: estimated suicide deaths among French adolescents associated with excessive social media use (95% CI [547, 1,028]).
  • 137,000: estimated HALE loss years among French adolescents associated with excessive social media use (95% CI [94,000, 176,000]).
  • 14.7%, 12.9%, and 12.0%: estimated reduction in cumulative lifetime prevalence of depression among French adolescents associated with limiting SM use to 1 hour per day, replacing 30 minutes of SM use with 30 minutes of physical activity, or stopping its use for adolescents most at-risk for depression, respectively.

Sources:

  • "Impact of excessive social media use on adolescent depression and its consequences in France: An individual-based microsimulation model" (PLOS Medicine, 2025;22(10)).
  • Public Library Science (www.plos.org; PLOS Medicine - www.plosmedicine.org).
  • Columbia University Irving Medical Center (New York, New York, United States).
  • Mark Olfson, New York State Psychiatric Institute, Columbia University Irving Medical Center (New York, New York, United States).
  • Nicolas Hoertel, Carlos Blanco, Margot Biscond, Frederic Limosin, Marina Sanchez-Rico, Martin Blachier, and Henri Leleu.