Statistical and economic nomenclatures

A number of statistical and economic nomenclatures exist at international level. IMA-Europe monitors any developments in these nomenclatures, particularly NACE, Prodcom and CN.

Combined Nomenclature

The Combined Nomenclature (CN) is an 8-digit-code for the classification of goods, used to determine the common customs tariff (e.g. import duties), and to collect trade statistics.


Prodcom is an 8-digit-classification for statistics on the production of manufactured goods. The first 4-digits correspond to NACE. Prodcom contains information on production quantity and value, as well as on external trade. Most product codes correspond to one or more Combined Nomenclature (CN) codes, but some do not.


NACE is a four-digit classification providing the framework for collecting and presenting a large range of statistical data according to economic
activity (e.g. GVA, employment, etc).