- Estimated 1.2 million adolescents died in 2015, over 3,000 every day, mostly from preventable or treatable causes.
- Road traffic injuries were the leading cause of death in 2015. Other major causes of adolescent deaths include lower respiratory infections, suicide, diarrhoeal diseases and drowning.
- Globally, there are 44 births per 1,000 to girls aged 15 to 19 per year.
- Half of all mental health disorders in adulthood start by age 14, but most cases are undetected and untreated.
Around 1.2 billion people, or one in six of the world’s population, are adolescents aged ten to 19.
Most are healthy, but there is still substantial premature death, illness, and injury among adolescents. Illnesses can hinder their ability to grow and develop to their full potential. Alcohol or tobacco use, lack of physical activity, unprotected sex and/or exposure to violence can jeopardise not only their current health, but also