Perceptions of young people's health and wellbeing vary greatly, reflecting differences between disciplines, ideologies and generations. Young people are resilient, adaptable and doing well but, at the same time, are experiencing increased rates of important mental and physical health problems. While some of the contradictions in the evidence can be explained--for example, between measures of life satisfaction and happiness and indicators of psychosocial health--tensions between perspectives remain. We describe briefly a project involving cross-disciplinary synthesis that sought to gain a better understanding of the points of convergence and divergence in the commentaries and evidence on young people's wellbeing in Australia. The project suggests that, if young people's situation is to be optimised, there needs to be greater focus in both research and policy on: the "big picture" of the social changes reshaping life today; total health and wellbeing, not just ill health; the "mainstream" of youth, not only those young people who are marginalised and at-risk; and social and cultural resources that are as important to wellbeing as material and economic resources.