The index measures the quality of resource governance in 81 countries that together produce 82 percent of the world’s oil, 78 percent of its gas and a significant proportion of minerals, including 72 percent of all copper. It is the product of 89 country assessments (eight countries were assessed in two sectors), compiled by 150 researchers, using almost 10,000 supporting documents.

The National Oil Company Database is an online, interactive tool that enables a wide range of users—from government officials and NOC executives to journalists and activists—to better understand the roles played by these companies and hold them accountable to generate returns on public investment.
 

The Charter is a set of principles for governments and societies on how to best harness the opportunities created by extractive resources for development. It is not a recipe or blueprint for the policies and institutions countries must build, but instead provides the ingredients successful countries have used.