Open Data for Development (OD4D) works to monitor the availability, use, and impact of open data around the world. Some of the key work in this area includes:
Open Data Barometer & Index
The Open Data Barometer(ODB) aims to uncover the prevalence and impact of open data initiatives around the world. It compares data on countries and regions using an in-depth methodology combining contextual data, technical assessments and secondary indicators. Currently, the ODB analyzes open data in 92 countries.
The Open Data Index provides a comprehensive snapshot of the state of open data that is available in countries around the world.