- Classification of Products for Foreign Trade 2020 (Combined Nomenclature 2020, CN-2020)
- Classification of the Industrial Products Survey 2018 (PRODCOM-EIP 2018)
- Classification of Farms According to their Technical and Economic Orientation 2009 (OTE-2009)
- Classification of Environmental Protection Activities and Expenditures 2000 (CEPA-2000)
The comparability of statistical classifications is guaranteed by the following bodies:
For sectoral classifications the UN has the following specific bodies:
Information on Territorial and entity codes.