“…A collection of papers on adolescent well-being by the British Medical Journal (BMJ) [ 3 ], particularly an article by Newby et al. [ 6 ], underlined challenges in measuring adolescent well-being ( Figure 1 ). They include current fragmentation of measurement approaches, with many initiatives focusing only on some aspects of well-being; limited intergroup collaboration leading to duplication, failure to identify and address important gaps, and confusion around necessary actions; and variation in context-specific meanings of the broad concept of well-being.…”