The scope of the data collection covers all countries and regions where GNR system participants have clinker, cement and grinding operations. The geographical scope is expected to expand as additional parties join the effort.

The GNR system is to date the database with the widest coverage of the cement industry globally. Currently, GNR participants cover 30% of global cement production, with high representation in Europe, the Americas and India, but low for China, the rest of Asia, Africa and the Middle East.

The CSI is actively encouraging other cement companies and federations worldwide to participate, so as to build a more representative global database as a foundation for policy analysis. Currently, CEMBUREAU (the European Cement Association) and the Cement Industry Federation Australia are signed up to the GNR system.