Empirical evidence is key to sound public policy formulatiom, monitoring, and evaluation. Official statistics, as trusted, organized information, have served this purpose for centuries; their production is institutionalized and governed by internationally-agreed ethics and practices. Unstructured information, including Big Data and Geoinformation, has emerged recently, offering public policy new empirical basis for making decisions. This has been described as ‘Data Revolution’ by international organizations. This course is designed for practitioners in the field of public policy to gain an indepth understanding of the design and intricacies of structured information (official statistics) and unstructured information such as Big Data and Geoinformation.