Adolescence is a formative phase of life during which patterns of growth, development, and behaviour lay a foundation for health in later life and for the next generation.
The importance of adolescent health has been further heightened by the population of people aged 10–24 years being the largest in history, at 1·8 billion in 2016.
In response, in 2015 the United Nations (UN) extended the existing Every Woman, Every Child agenda to include adolescents through the Global Strategy for Women’s, Children’s, and Adolescents’ Health.
The Global Strategy highlighted a need for sound health data to drive accountability.
Adolescents were mentioned in 12 of 232 Sustainable Development Goals (SDGs) indicators relevant to health, including indicators associated with nutrition, reproductive health, sexual and intimate partner violence, child marriage, education, and employment.
The 60 indicators for the Global Strategy overlapped with those of the 12 SDGs and included adolescenthttps://www.thelancet.com/journals/lancet/article/PIIS0140-6736(18)32427-9/fulltext?dgcid=raven_jbs_etoc_email