A report by the United Nations (UN) Secretary-General's Independent Expert Advisory Group on the data revolution for sustainable development suggests: Data are the lifeblood of decision making and the raw material for accountability. Without high-quality data providing the right information on the right trend, at the right time, designing, monitoring and evaluating effective policies becomes almost impossible. (Secretary-General's IEAG 2014: 2) This report captures the growing preoccupation with and reliance on data and indicators to guide decision-making and to design policies and programs at the international and national levels.