Today’s world has more adolescents—children in the age group of 10-24 years—than ever in history. Of the 1.8 billion adolescents, a third of them, or 622 million, live in India and China. With this fraction of people growing up to be future citizens, are we doing enough to have their needs met? No, says a worldwide study on adolescent health and well-being, published in The Lancet.