This document discusses open data in government. It defines open data and provides examples of open government data sets. Open data can increase transparency, accountability, inclusion and engagement. Many governments have adopted open data programs, though progress varies. Examples are given of open data programs and their impacts in countries like Nigeria, India, Jamaica, the UK and others. Challenges to open data include limitations in available data, policies, capacity, innovation support and financing. Resources are provided to help with open data programs and the need for data-literate societies is discussed.