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Standard classification systems used to identify and manipulate information are often referred to as 'nomenclatures'. They are also commonly called 'classifications'. This guide provides links to the most commonly used international classification standards.
Classifications are the foundations on which all statistical systems, national as well as international, are built. Thus, it is essential that statisticians have access to an extensive, reliable and regularly updated source of information on classification systems for use with data such as industrial, foreign trade or occupational data. Look under websites for specific topics or contact the Library's Data Centre for further assistance.
The Classifications Registry is a register of international classification systems maintained by the United Nations Statistics Division. This page contains a list and links to classifications that have been registered into the International Family of Classifications as of January, 2012. It is part of the United Nations' Methods and Classifications website