More than half of the world’s 7 billion people now live in urban areas. What does this mean for children? UNICEF has dedicated the 2012 edition of its flagship report, The State of the World’s Children, to the situation of children growing up in urban settings. Cities are known to generate economic growth – but, as the report reveals, not all children are benefiting from urban expansion. In this increasingly urban world, the absence of a sustained focus on child rights means that some children are being left behind.