The authors also wish to thank the UNICEF National Committees in Australia, Canada and New Zealand for their support in accessing the relevant data sources used for the analysis. The analysis includes all the 27 European Union countries, as well as Iceland and Norway, and Australia, Canada, New Zealand, Japan, Switzerland and United States. In particular these studies confirmed the relevance of a relative approach for understanding poverty in the context of economically advanced countries. Indeed, relative poverty reflects better the cost of social inclusion and equality of opportunity in a specific time and space. “