During the last decades, the use of indicators as tools for assessing states’ compliance with children’s human rights legal provisions included in the related international treaties has rapidly multiplied, both at national and international levels, intended mainly to support policy and strategy reforms to increase social justice, well-being and the implementation of some specific rights. These indicators in the human rights sector build on the use of indicators in the global governance sector. As Sally Engle Merry explains in her ethnography of indicators, the use of indicators in global governance today is primarily derived from economics and business management, even though their roots as modes of knowledge and governance date back several centuries to the establishment of modern nation-states in the early nineteenth century and some centuries before that. For example, the gross domestic product is one of the most extensively used and recognised indicators. Development organisations like the World Bank have developed a wide range of indicators, including measures of global governance and the rule of law (Merry, 2011).