Part One of this report presents a league table of child well-being in 29 of the world's advanced economies. Part Two looks at what children say about their own well-being (including a league table of children s life satisfaction). Part Three examines changes in child well-being in advanced economies over the first decade of the 2000s, looking at each country s progress in educational achievement, teenage birth rates, childhood obesity levels, the prevalence of bullying, and the use of tobacco, alcohol and drugs."